Below are the 662 trading days of historical prices for ZI.
# | Exchange | Symbol | Date | Open | High | Low | Close | 662 | NASDAQ | ZI | Thu, Jan 19, 2023 | 25.84 | 26.23 | 25.52 | 25.75 | 661 | NASDAQ | ZI | Wed, Jan 18, 2023 | 26.56 | 26.96 | 26.11 | 26.26 | 660 | NASDAQ | ZI | Tue, Jan 17, 2023 | 26.03 | 26.63 | 25.51 | 26.39 | 659 | NASDAQ | ZI | Fri, Jan 13, 2023 | 25.65 | 26.08 | 25.04 | 26.01 | 658 | NASDAQ | ZI | Thu, Jan 12, 2023 | 26.27 | 26.48 | 25.13 | 25.73 | 657 | NASDAQ | ZI | Wed, Jan 11, 2023 | 25.78 | 26.48 | 25.42 | 26.43 | 656 | NASDAQ | ZI | Tue, Jan 10, 2023 | 25.39 | 26.30 | 24.93 | 25.47 | 655 | NASDAQ | ZI | Mon, Jan 9, 2023 | 25.19 | 26.16 | 24.85 | 25.98 | 654 | NASDAQ | ZI | Fri, Jan 6, 2023 | 26.04 | 26.09 | 24.69 | 25.11 | 653 | NASDAQ | ZI | Thu, Jan 5, 2023 | 27.47 | 27.47 | 25.39 | 25.93 | 652 | NASDAQ | ZI | Wed, Jan 4, 2023 | 28.46 | 28.57 | 27.60 | 27.77 | 651 | NASDAQ | ZI | Tue, Jan 3, 2023 | 30.67 | 31.05 | 29.41 | 29.44 | 650 | NASDAQ | ZI | Fri, Dec 30, 2022 | 29.55 | 30.27 | 29.28 | 30.11 | 649 | NASDAQ | ZI | Thu, Dec 29, 2022 | 29.00 | 30.40 | 28.61 | 30.15 | 648 | NASDAQ | ZI | Wed, Dec 28, 2022 | 28.11 | 28.71 | 28.10 | 28.43 | 647 | NASDAQ | ZI | Tue, Dec 27, 2022 | 28.55 | 28.91 | 27.82 | 28.55 | 646 | NASDAQ | ZI | Fri, Dec 23, 2022 | 28.76 | 28.88 | 28.11 | 28.80 | 645 | NASDAQ | ZI | Thu, Dec 22, 2022 | 28.74 | 28.98 | 28.15 | 28.95 | 644 | NASDAQ | ZI | Wed, Dec 21, 2022 | 28.84 | 29.71 | 28.35 | 29.31 | 643 | NASDAQ | ZI | Tue, Dec 20, 2022 | 27.56 | 29.05 | 27.56 | 28.73 | 642 | NASDAQ | ZI | Mon, Dec 19, 2022 | 29.48 | 29.68 | 27.60 | 27.94 | 641 | NASDAQ | ZI | Fri, Dec 16, 2022 | 29.95 | 30.18 | 29.48 | 29.80 | 640 | NASDAQ | ZI | Thu, Dec 15, 2022 | 30.46 | 30.91 | 29.75 | 29.94 | 639 | NASDAQ | ZI | Wed, Dec 14, 2022 | 30.71 | 31.66 | 30.71 | 31.36 | 638 | NASDAQ | ZI | Tue, Dec 13, 2022 | 32.07 | 32.41 | 30.61 | 31.07 | 637 | NASDAQ | ZI | Mon, Dec 12, 2022 | 29.01 | 30.57 | 28.91 | 30.19 | 636 | NASDAQ | ZI | Fri, Dec 9, 2022 | 28.40 | 29.26 | 28.37 | 29.04 | 635 | NASDAQ | ZI | Thu, Dec 8, 2022 | 28.67 | 29.52 | 28.18 | 28.50 | 634 | NASDAQ | ZI | Wed, Dec 7, 2022 | 28.01 | 28.69 | 27.92 | 28.33 | 633 | NASDAQ | ZI | Tue, Dec 6, 2022 | 28.84 | 28.95 | 27.62 | 27.97 | 632 | NASDAQ | ZI | Mon, Dec 5, 2022 | 28.82 | 29.55 | 28.22 | 28.70 | 631 | NASDAQ | ZI | Fri, Dec 2, 2022 | 27.88 | 29.39 | 27.88 | 29.27 | 630 | NASDAQ | ZI | Thu, Dec 1, 2022 | 28.53 | 29.25 | 28.24 | 28.91 | 629 | NASDAQ | ZI | Wed, Nov 30, 2022 | 26.36 | 28.65 | 26.14 | 28.60 | 628 | NASDAQ | ZI | Tue, Nov 29, 2022 | 27.32 | 27.46 | 26.36 | 26.53 | 627 | NASDAQ | ZI | Mon, Nov 28, 2022 | 27.41 | 27.85 | 27.05 | 27.23 | 626 | NASDAQ | ZI | Fri, Nov 25, 2022 | 27.74 | 28.36 | 27.38 | 27.80 | 625 | NASDAQ | ZI | Wed, Nov 23, 2022 | 27.50 | 28.72 | 27.26 | 28.07 | 624 | NASDAQ | ZI | Tue, Nov 22, 2022 | 27.24 | 27.53 | 26.16 | 27.36 | 623 | NASDAQ | ZI | Mon, Nov 21, 2022 | 26.68 | 27.61 | 26.26 | 27.51 | 622 | NASDAQ | ZI | Fri, Nov 18, 2022 | 26.72 | 26.93 | 25.89 | 26.61 | 621 | NASDAQ | ZI | Thu, Nov 17, 2022 | 26.19 | 26.27 | 24.63 | 26.17 | 620 | NASDAQ | ZI | Wed, Nov 16, 2022 | 31.00 | 31.29 | 23.29 | 27.17 | 619 | NASDAQ | ZI | Tue, Nov 15, 2022 | 32.43 | 32.80 | 31.61 | 31.69 | 618 | NASDAQ | ZI | Mon, Nov 14, 2022 | 32.05 | 32.60 | 31.27 | 31.34 | 617 | NASDAQ | ZI | Fri, Nov 11, 2022 | 31.46 | 33.07 | 31.09 | 32.56 | 616 | NASDAQ | ZI | Thu, Nov 10, 2022 | 29.99 | 30.97 | 29.67 | 30.94 | 615 | NASDAQ | ZI | Wed, Nov 9, 2022 | 29.35 | 29.35 | 27.98 | 28.07 | 614 | NASDAQ | ZI | Tue, Nov 8, 2022 | 28.05 | 29.62 | 27.44 | 29.45 | 613 | NASDAQ | ZI | Mon, Nov 7, 2022 | 29.57 | 29.97 | 27.94 | 28.05 | 612 | NASDAQ | ZI | Fri, Nov 4, 2022 | 31.71 | 31.79 | 27.93 | 29.28 | 611 | NASDAQ | ZI | Thu, Nov 3, 2022 | 30.60 | 31.73 | 30.18 | 31.25 | 610 | NASDAQ | ZI | Wed, Nov 2, 2022 | 32.19 | 34.45 | 30.12 | 30.81 | 609 | NASDAQ | ZI | Tue, Nov 1, 2022 | 45.90 | 45.90 | 43.24 | 43.50 | 608 | NASDAQ | ZI | Mon, Oct 31, 2022 | 44.84 | 45.33 | 43.81 | 44.53 | 607 | NASDAQ | ZI | Fri, Oct 28, 2022 | 45.22 | 45.41 | 43.77 | 45.18 | 606 | NASDAQ | ZI | Thu, Oct 27, 2022 | 45.73 | 47.46 | 45.53 | 46.11 | 605 | NASDAQ | ZI | Wed, Oct 26, 2022 | 45.00 | 47.77 | 44.70 | 45.68 | 604 | NASDAQ | ZI | Tue, Oct 25, 2022 | 44.82 | 46.98 | 44.82 | 46.68 | 603 | NASDAQ | ZI | Mon, Oct 24, 2022 | 44.87 | 44.95 | 43.10 | 44.45 | 602 | NASDAQ | ZI | Fri, Oct 21, 2022 | 43.78 | 45.02 | 42.40 | 44.87 | 601 | NASDAQ | ZI | Thu, Oct 20, 2022 | 44.74 | 46.57 | 44.36 | 44.94 | 600 | NASDAQ | ZI | Wed, Oct 19, 2022 | 44.20 | 45.16 | 43.92 | 44.35 | 599 | NASDAQ | ZI | Tue, Oct 18, 2022 | 45.82 | 45.94 | 44.03 | 45.12 | 598 | NASDAQ | ZI | Mon, Oct 17, 2022 | 43.63 | 44.90 | 43.45 | 43.81 | 597 | NASDAQ | ZI | Fri, Oct 14, 2022 | 44.09 | 44.54 | 41.76 | 41.87 | 596 | NASDAQ | ZI | Thu, Oct 13, 2022 | 41.66 | 44.08 | 40.92 | 43.14 | 595 | NASDAQ | ZI | Wed, Oct 12, 2022 | 43.67 | 43.91 | 42.47 | 43.77 | 594 | NASDAQ | ZI | Tue, Oct 11, 2022 | 43.14 | 44.40 | 41.71 | 43.22 | 593 | NASDAQ | ZI | Mon, Oct 10, 2022 | 44.38 | 44.70 | 42.75 | 43.64 | 592 | NASDAQ | ZI | Fri, Oct 7, 2022 | 47.42 | 47.49 | 43.95 | 44.40 | 591 | NASDAQ | ZI | Thu, Oct 6, 2022 | 46.86 | 48.76 | 46.76 | 48.62 | 590 | NASDAQ | ZI | Wed, Oct 5, 2022 | 45.40 | 46.96 | 44.92 | 46.72 | 589 | NASDAQ | ZI | Tue, Oct 4, 2022 | 45.06 | 45.90 | 44.78 | 45.88 | 588 | NASDAQ | ZI | Mon, Oct 3, 2022 | 42.31 | 44.01 | 41.61 | 43.81 | 587 | NASDAQ | ZI | Fri, Sep 30, 2022 | 41.54 | 42.86 | 40.94 | 41.66 | 586 | NASDAQ | ZI | Thu, Sep 29, 2022 | 41.49 | 42.13 | 40.72 | 41.65 | 585 | NASDAQ | ZI | Wed, Sep 28, 2022 | 40.78 | 42.69 | 40.39 | 42.29 | 584 | NASDAQ | ZI | Tue, Sep 27, 2022 | 40.02 | 41.22 | 39.65 | 40.33 | 583 | NASDAQ | ZI | Mon, Sep 26, 2022 | 39.95 | 40.59 | 39.12 | 39.19 | 582 | NASDAQ | ZI | Fri, Sep 23, 2022 | 39.64 | 40.34 | 38.68 | 40.04 | 581 | NASDAQ | ZI | Thu, Sep 22, 2022 | 41.62 | 42.16 | 39.98 | 40.36 | 580 | NASDAQ | ZI | Wed, Sep 21, 2022 | 41.88 | 43.51 | 41.79 | 42.01 | 579 | NASDAQ | ZI | Tue, Sep 20, 2022 | 42.43 | 43.17 | 41.64 | 41.75 | 578 | NASDAQ | ZI | Mon, Sep 19, 2022 | 41.82 | 43.13 | 41.54 | 42.89 | 577 | NASDAQ | ZI | Fri, Sep 16, 2022 | 42.83 | 42.83 | 40.99 | 41.99 | 576 | NASDAQ | ZI | Thu, Sep 15, 2022 | 44.29 | 45.21 | 43.77 | 43.83 | 575 | NASDAQ | ZI | Wed, Sep 14, 2022 | 45.00 | 45.04 | 43.45 | 44.90 | 574 | NASDAQ | ZI | Tue, Sep 13, 2022 | 43.35 | 44.90 | 43.04 | 44.70 | 573 | NASDAQ | ZI | Mon, Sep 12, 2022 | 45.00 | 45.68 | 44.15 | 45.66 | 572 | NASDAQ | ZI | Fri, Sep 9, 2022 | 43.70 | 45.61 | 43.70 | 45.21 | 571 | NASDAQ | ZI | Thu, Sep 8, 2022 | 42.00 | 43.98 | 41.65 | 43.23 | 570 | NASDAQ | ZI | Wed, Sep 7, 2022 | 40.62 | 42.84 | 40.62 | 42.66 | 569 | NASDAQ | ZI | Tue, Sep 6, 2022 | 41.35 | 41.48 | 39.89 | 40.85 | 568 | NASDAQ | ZI | Fri, Sep 2, 2022 | 43.36 | 43.48 | 40.96 | 41.35 | 567 | NASDAQ | ZI | Thu, Sep 1, 2022 | 44.95 | 44.95 | 41.55 | 42.45 | 566 | NASDAQ | ZI | Wed, Aug 31, 2022 | 46.36 | 46.67 | 44.57 | 45.42 | 565 | NASDAQ | ZI | Tue, Aug 30, 2022 | 46.68 | 46.89 | 44.96 | 46.16 | 564 | NASDAQ | ZI | Mon, Aug 29, 2022 | 45.40 | 46.81 | 45.25 | 45.76 | 563 | NASDAQ | ZI | Fri, Aug 26, 2022 | 47.83 | 47.84 | 45.64 | 46.10 | 562 | NASDAQ | ZI | Thu, Aug 25, 2022 | 47.50 | 48.19 | 47.20 | 47.83 | 561 | NASDAQ | ZI | Wed, Aug 24, 2022 | 48.75 | 48.82 | 46.26 | 47.13 | 560 | NASDAQ | ZI | Tue, Aug 23, 2022 | 47.96 | 50.07 | 47.85 | 49.42 | 559 | NASDAQ | ZI | Mon, Aug 22, 2022 | 48.00 | 48.94 | 47.26 | 47.59 | 558 | NASDAQ | ZI | Fri, Aug 19, 2022 | 50.43 | 50.50 | 48.72 | 49.35 | 557 | NASDAQ | ZI | Thu, Aug 18, 2022 | 50.62 | 51.58 | 49.77 | 51.15 | 556 | NASDAQ | ZI | Wed, Aug 17, 2022 | 50.82 | 51.65 | 50.41 | 50.62 | 555 | NASDAQ | ZI | Tue, Aug 16, 2022 | 50.96 | 51.86 | 50.28 | 51.59 | 554 | NASDAQ | ZI | Mon, Aug 15, 2022 | 49.87 | 51.56 | 49.43 | 51.11 | 553 | NASDAQ | ZI | Fri, Aug 12, 2022 | 49.79 | 50.43 | 48.93 | 49.92 | 552 | NASDAQ | ZI | Thu, Aug 11, 2022 | 50.76 | 50.99 | 48.21 | 48.82 | 551 | NASDAQ | ZI | Wed, Aug 10, 2022 | 49.02 | 50.31 | 48.11 | 49.90 | 550 | NASDAQ | ZI | Tue, Aug 9, 2022 | 47.23 | 47.79 | 45.35 | 46.48 | 549 | NASDAQ | ZI | Mon, Aug 8, 2022 | 47.65 | 49.39 | 47.65 | 48.00 | 548 | NASDAQ | ZI | Fri, Aug 5, 2022 | 45.47 | 47.89 | 45.07 | 47.73 | 547 | NASDAQ | ZI | Thu, Aug 4, 2022 | 44.83 | 46.82 | 44.45 | 46.66 | 546 | NASDAQ | ZI | Wed, Aug 3, 2022 | 42.56 | 45.09 | 42.51 | 44.78 | 545 | NASDAQ | ZI | Tue, Aug 2, 2022 | 42.65 | 43.18 | 40.45 | 41.97 | 544 | NASDAQ | ZI | Mon, Aug 1, 2022 | 37.39 | 38.59 | 36.43 | 37.73 | 543 | NASDAQ | ZI | Fri, Jul 29, 2022 | 37.12 | 37.95 | 36.41 | 37.89 | 542 | NASDAQ | ZI | Thu, Jul 28, 2022 | 36.53 | 37.71 | 36.07 | 37.52 | 541 | NASDAQ | ZI | Wed, Jul 27, 2022 | 36.31 | 37.40 | 35.89 | 37.05 | 540 | NASDAQ | ZI | Tue, Jul 26, 2022 | 36.56 | 36.68 | 35.15 | 35.45 | 539 | NASDAQ | ZI | Mon, Jul 25, 2022 | 37.62 | 37.62 | 36.59 | 37.10 | 538 | NASDAQ | ZI | Fri, Jul 22, 2022 | 39.33 | 40.03 | 37.42 | 37.64 | 537 | NASDAQ | ZI | Thu, Jul 21, 2022 | 40.17 | 41.39 | 39.60 | 39.95 | 536 | NASDAQ | ZI | Wed, Jul 20, 2022 | 39.20 | 41.12 | 39.00 | 40.17 | 535 | NASDAQ | ZI | Tue, Jul 19, 2022 | 37.30 | 38.83 | 36.44 | 38.57 | 534 | NASDAQ | ZI | Mon, Jul 18, 2022 | 36.77 | 37.73 | 36.16 | 36.24 | 533 | NASDAQ | ZI | Fri, Jul 15, 2022 | 35.73 | 36.46 | 35.29 | 36.23 | 532 | NASDAQ | ZI | Thu, Jul 14, 2022 | 35.43 | 35.76 | 34.48 | 35.41 | 531 | NASDAQ | ZI | Wed, Jul 13, 2022 | 34.42 | 36.87 | 33.94 | 35.95 | 530 | NASDAQ | ZI | Tue, Jul 12, 2022 | 36.22 | 37.35 | 35.13 | 35.85 | 529 | NASDAQ | ZI | Mon, Jul 11, 2022 | 35.69 | 36.50 | 35.42 | 36.19 | 528 | NASDAQ | ZI | Fri, Jul 8, 2022 | 36.91 | 37.74 | 36.19 | 36.65 | 527 | NASDAQ | ZI | Thu, Jul 7, 2022 | 36.19 | 37.34 | 36.15 | 37.03 | 526 | NASDAQ | ZI | Wed, Jul 6, 2022 | 36.76 | 37.87 | 35.96 | 36.04 | 525 | NASDAQ | ZI | Tue, Jul 5, 2022 | 33.28 | 36.74 | 32.82 | 36.73 | 524 | NASDAQ | ZI | Fri, Jul 1, 2022 | 33.24 | 34.13 | 33.12 | 33.89 | 523 | NASDAQ | ZI | Thu, Jun 30, 2022 | 33.74 | 34.25 | 32.39 | 33.24 | 522 | NASDAQ | ZI | Wed, Jun 29, 2022 | 34.88 | 34.97 | 33.65 | 34.19 | 521 | NASDAQ | ZI | Tue, Jun 28, 2022 | 36.27 | 36.76 | 34.05 | 34.93 | 520 | NASDAQ | ZI | Mon, Jun 27, 2022 | 37.85 | 38.27 | 35.97 | 36.45 | 519 | NASDAQ | ZI | Fri, Jun 24, 2022 | 37.27 | 38.25 | 36.77 | 37.71 | 518 | NASDAQ | ZI | Thu, Jun 23, 2022 | 34.85 | 36.99 | 34.85 | 36.68 | 517 | NASDAQ | ZI | Wed, Jun 22, 2022 | 33.58 | 36.09 | 33.32 | 34.67 | 516 | NASDAQ | ZI | Tue, Jun 21, 2022 | 33.91 | 35.38 | 33.52 | 34.32 | 515 | NASDAQ | ZI | Fri, Jun 17, 2022 | 31.80 | 33.19 | 31.37 | 33.00 | 514 | NASDAQ | ZI | Thu, Jun 16, 2022 | 32.91 | 33.22 | 31.18 | 31.43 | 513 | NASDAQ | ZI | Wed, Jun 15, 2022 | 31.53 | 34.68 | 31.26 | 33.99 | 512 | NASDAQ | ZI | Tue, Jun 14, 2022 | 31.20 | 31.64 | 30.31 | 31.07 | 511 | NASDAQ | ZI | Mon, Jun 13, 2022 | 33.88 | 33.90 | 30.83 | 31.05 | 510 | NASDAQ | ZI | Fri, Jun 10, 2022 | 36.26 | 36.49 | 34.20 | 34.97 | 509 | NASDAQ | ZI | Thu, Jun 9, 2022 | 40.21 | 40.48 | 37.33 | 37.34 | 508 | NASDAQ | ZI | Wed, Jun 8, 2022 | 40.36 | 41.47 | 40.24 | 40.44 | 507 | NASDAQ | ZI | Tue, Jun 7, 2022 | 40.32 | 41.96 | 40.14 | 40.74 | 506 | NASDAQ | ZI | Mon, Jun 6, 2022 | 42.63 | 43.35 | 40.82 | 40.98 | 505 | NASDAQ | ZI | Fri, Jun 3, 2022 | 41.52 | 42.32 | 40.91 | 41.27 | 504 | NASDAQ | ZI | Thu, Jun 2, 2022 | 40.52 | 43.34 | 40.18 | 42.53 | 503 | NASDAQ | ZI | Wed, Jun 1, 2022 | 40.82 | 42.44 | 39.95 | 40.90 | 502 | NASDAQ | ZI | Tue, May 31, 2022 | 41.52 | 42.20 | 38.78 | 40.39 | 501 | NASDAQ | ZI | Fri, May 27, 2022 | 38.00 | 41.37 | 38.00 | 41.08 | 500 | NASDAQ | ZI | Thu, May 26, 2022 | 35.86 | 37.62 | 35.38 | 37.29 | 499 | NASDAQ | ZI | Wed, May 25, 2022 | 34.18 | 36.94 | 33.82 | 36.35 | 498 | NASDAQ | ZI | Tue, May 24, 2022 | 37.55 | 37.69 | 33.80 | 34.61 | 497 | NASDAQ | ZI | Mon, May 23, 2022 | 39.59 | 40.25 | 38.26 | 38.69 | 496 | NASDAQ | ZI | Fri, May 20, 2022 | 41.01 | 41.20 | 38.12 | 39.67 | 495 | NASDAQ | ZI | Thu, May 19, 2022 | 40.88 | 42.89 | 35.03 | 40.10 | 494 | NASDAQ | ZI | Wed, May 18, 2022 | 43.74 | 43.74 | 40.82 | 41.23 | 493 | NASDAQ | ZI | Tue, May 17, 2022 | 43.95 | 44.63 | 40.44 | 44.10 | 492 | NASDAQ | ZI | Mon, May 16, 2022 | 43.49 | 44.68 | 42.48 | 42.58 | 491 | NASDAQ | ZI | Fri, May 13, 2022 | 41.12 | 44.15 | 41.06 | 44.03 | 490 | NASDAQ | ZI | Thu, May 12, 2022 | 39.07 | 42.39 | 38.57 | 40.32 | 489 | NASDAQ | ZI | Wed, May 11, 2022 | 41.65 | 43.35 | 39.83 | 40.24 | 488 | NASDAQ | ZI | Tue, May 10, 2022 | 43.88 | 44.54 | 39.62 | 42.07 | 487 | NASDAQ | ZI | Mon, May 9, 2022 | 45.55 | 45.91 | 42.03 | 42.34 | 486 | NASDAQ | ZI | Fri, May 6, 2022 | 48.94 | 48.94 | 45.00 | 46.75 | 485 | NASDAQ | ZI | Thu, May 5, 2022 | 52.92 | 53.35 | 48.05 | 49.61 | 484 | NASDAQ | ZI | Wed, May 4, 2022 | 52.11 | 54.43 | 47.80 | 54.11 | 483 | NASDAQ | ZI | Tue, May 3, 2022 | 48.56 | 52.10 | 47.53 | 51.99 | 482 | NASDAQ | ZI | Mon, May 2, 2022 | 47.21 | 49.26 | 46.09 | 49.20 | 481 | NASDAQ | ZI | Fri, Apr 29, 2022 | 48.29 | 50.40 | 47.34 | 47.40 | 480 | NASDAQ | ZI | Thu, Apr 28, 2022 | 49.14 | 50.04 | 47.70 | 48.95 | 479 | NASDAQ | ZI | Wed, Apr 27, 2022 | 47.95 | 49.23 | 47.25 | 47.65 | 478 | NASDAQ | ZI | Tue, Apr 26, 2022 | 50.31 | 50.62 | 47.84 | 47.94 | 477 | NASDAQ | ZI | Mon, Apr 25, 2022 | 49.50 | 50.97 | 48.69 | 50.94 | 476 | NASDAQ | ZI | Fri, Apr 22, 2022 | 51.65 | 52.34 | 48.77 | 49.79 | 475 | NASDAQ | ZI | Thu, Apr 21, 2022 | 55.64 | 56.28 | 50.76 | 51.25 | 474 | NASDAQ | ZI | Wed, Apr 20, 2022 | 56.65 | 57.07 | 54.69 | 54.92 | 473 | NASDAQ | ZI | Tue, Apr 19, 2022 | 54.24 | 56.73 | 53.51 | 56.68 | 472 | NASDAQ | ZI | Mon, Apr 18, 2022 | 55.00 | 55.00 | 52.94 | 54.06 | 471 | NASDAQ | ZI | Thu, Apr 14, 2022 | 56.99 | 57.36 | 55.00 | 55.00 | 470 | NASDAQ | ZI | Wed, Apr 13, 2022 | 54.67 | 57.30 | 54.36 | 57.16 | 469 | NASDAQ | ZI | Tue, Apr 12, 2022 | 55.15 | 56.61 | 53.92 | 54.36 | 468 | NASDAQ | ZI | Mon, Apr 11, 2022 | 54.59 | 55.34 | 53.39 | 54.05 | 467 | NASDAQ | ZI | Fri, Apr 8, 2022 | 55.73 | 56.88 | 55.14 | 55.36 | 466 | NASDAQ | ZI | Thu, Apr 7, 2022 | 56.00 | 57.63 | 54.66 | 56.27 | 465 | NASDAQ | ZI | Wed, Apr 6, 2022 | 56.83 | 57.56 | 55.12 | 56.35 | 464 | NASDAQ | ZI | Tue, Apr 5, 2022 | 61.41 | 61.44 | 57.42 | 58.00 | 463 | NASDAQ | ZI | Mon, Apr 4, 2022 | 60.60 | 61.14 | 59.46 | 60.75 | 462 | NASDAQ | ZI | Fri, Apr 1, 2022 | 59.59 | 60.47 | 59.09 | 60.04 | 461 | NASDAQ | ZI | Thu, Mar 31, 2022 | 58.00 | 60.18 | 57.90 | 59.74 | 460 | NASDAQ | ZI | Wed, Mar 30, 2022 | 58.25 | 59.91 | 57.60 | 58.09 | 459 | NASDAQ | ZI | Tue, Mar 29, 2022 | 58.68 | 59.74 | 57.78 | 58.95 | 458 | NASDAQ | ZI | Mon, Mar 28, 2022 | 56.00 | 57.67 | 55.53 | 57.57 | 457 | NASDAQ | ZI | Fri, Mar 25, 2022 | 59.51 | 59.63 | 55.84 | 56.41 | 456 | NASDAQ | ZI | Thu, Mar 24, 2022 | 59.10 | 59.39 | 56.87 | 59.35 | 455 | NASDAQ | ZI | Wed, Mar 23, 2022 | 56.67 | 60.61 | 56.67 | 59.10 | 454 | NASDAQ | ZI | Tue, Mar 22, 2022 | 56.54 | 59.29 | 56.18 | 58.02 | 453 | NASDAQ | ZI | Mon, Mar 21, 2022 | 58.08 | 59.11 | 54.46 | 56.31 | 452 | NASDAQ | ZI | Fri, Mar 18, 2022 | 57.64 | 60.05 | 57.16 | 58.81 | 451 | NASDAQ | ZI | Thu, Mar 17, 2022 | 56.15 | 57.87 | 56.14 | 57.43 | 450 | NASDAQ | ZI | Wed, Mar 16, 2022 | 52.90 | 57.00 | 52.66 | 56.94 | 449 | NASDAQ | ZI | Tue, Mar 15, 2022 | 49.18 | 52.10 | 48.98 | 51.94 | 448 | NASDAQ | ZI | Mon, Mar 14, 2022 | 49.97 | 51.98 | 48.22 | 48.73 | 447 | NASDAQ | ZI | Fri, Mar 11, 2022 | 53.94 | 53.94 | 49.73 | 50.00 | 446 | NASDAQ | ZI | Thu, Mar 10, 2022 | 51.91 | 53.37 | 51.07 | 53.01 | 445 | NASDAQ | ZI | Wed, Mar 9, 2022 | 50.99 | 54.63 | 50.97 | 53.50 | 444 | NASDAQ | ZI | Tue, Mar 8, 2022 | 47.79 | 50.88 | 47.08 | 49.87 | 443 | NASDAQ | ZI | Mon, Mar 7, 2022 | 52.95 | 53.63 | 47.85 | 48.18 | 442 | NASDAQ | ZI | Fri, Mar 4, 2022 | 53.07 | 53.65 | 51.50 | 53.00 | 441 | NASDAQ | ZI | Thu, Mar 3, 2022 | 55.00 | 55.46 | 52.51 | 53.14 | 440 | NASDAQ | ZI | Wed, Mar 2, 2022 | 55.57 | 55.83 | 53.57 | 55.08 | 439 | NASDAQ | ZI | Tue, Mar 1, 2022 | 54.70 | 56.23 | 53.75 | 55.57 | 438 | NASDAQ | ZI | Mon, Feb 28, 2022 | 54.95 | 56.76 | 53.83 | 54.69 | 437 | NASDAQ | ZI | Fri, Feb 25, 2022 | 54.58 | 55.69 | 53.36 | 55.46 | 436 | NASDAQ | ZI | Thu, Feb 24, 2022 | 45.92 | 54.70 | 45.92 | 54.58 | 435 | NASDAQ | ZI | Wed, Feb 23, 2022 | 52.50 | 53.37 | 48.91 | 48.99 | 434 | NASDAQ | ZI | Tue, Feb 22, 2022 | 51.49 | 53.56 | 50.83 | 51.26 | 433 | NASDAQ | ZI | Fri, Feb 18, 2022 | 53.04 | 53.53 | 50.76 | 52.54 | 432 | NASDAQ | ZI | Thu, Feb 17, 2022 | 55.46 | 56.10 | 52.30 | 53.30 | 431 | NASDAQ | ZI | Wed, Feb 16, 2022 | 51.62 | 56.67 | 51.56 | 56.22 | 430 | NASDAQ | ZI | Tue, Feb 15, 2022 | 56.79 | 59.36 | 56.05 | 58.78 | 429 | NASDAQ | ZI | Mon, Feb 14, 2022 | 55.29 | 58.04 | 54.64 | 55.35 | 428 | NASDAQ | ZI | Fri, Feb 11, 2022 | 57.14 | 59.06 | 54.54 | 55.69 | 427 | NASDAQ | ZI | Thu, Feb 10, 2022 | 54.70 | 59.89 | 54.27 | 56.95 | 426 | NASDAQ | ZI | Wed, Feb 9, 2022 | 54.45 | 55.93 | 53.38 | 55.81 | 425 | NASDAQ | ZI | Tue, Feb 8, 2022 | 51.59 | 53.70 | 51.25 | 53.65 | 424 | NASDAQ | ZI | Mon, Feb 7, 2022 | 52.21 | 54.11 | 51.71 | 52.29 | 423 | NASDAQ | ZI | Fri, Feb 4, 2022 | 49.03 | 52.57 | 48.82 | 52.00 | 422 | NASDAQ | ZI | Thu, Feb 3, 2022 | 50.26 | 51.44 | 48.71 | 49.11 | 421 | NASDAQ | ZI | Wed, Feb 2, 2022 | 54.67 | 54.67 | 51.83 | 52.52 | 420 | NASDAQ | ZI | Tue, Feb 1, 2022 | 53.57 | 54.48 | 51.25 | 54.30 | 419 | NASDAQ | ZI | Mon, Jan 31, 2022 | 49.50 | 52.91 | 49.25 | 52.86 | 418 | NASDAQ | ZI | Fri, Jan 28, 2022 | 46.43 | 48.90 | 45.11 | 48.84 | 417 | NASDAQ | ZI | Thu, Jan 27, 2022 | 47.90 | 49.52 | 45.97 | 46.31 | 416 | NASDAQ | ZI | Wed, Jan 26, 2022 | 49.53 | 50.49 | 46.38 | 46.68 | 415 | NASDAQ | ZI | Tue, Jan 25, 2022 | 47.64 | 48.99 | 46.40 | 47.37 | 414 | NASDAQ | ZI | Mon, Jan 24, 2022 | 43.72 | 49.75 | 42.65 | 49.48 | 413 | NASDAQ | ZI | Fri, Jan 21, 2022 | 47.01 | 48.35 | 45.70 | 45.99 | 412 | NASDAQ | ZI | Thu, Jan 20, 2022 | 49.79 | 51.05 | 47.66 | 48.11 | 411 | NASDAQ | ZI | Wed, Jan 19, 2022 | 49.27 | 50.94 | 48.88 | 48.97 | 410 | NASDAQ | ZI | Tue, Jan 18, 2022 | 49.75 | 50.40 | 49.02 | 49.26 | 409 | NASDAQ | ZI | Fri, Jan 14, 2022 | 51.91 | 53.31 | 50.29 | 51.44 | 408 | NASDAQ | ZI | Thu, Jan 13, 2022 | 54.92 | 55.61 | 52.65 | 52.71 | 407 | NASDAQ | ZI | Wed, Jan 12, 2022 | 57.23 | 58.73 | 54.98 | 55.08 | 406 | NASDAQ | ZI | Tue, Jan 11, 2022 | 53.08 | 56.81 | 52.61 | 56.73 | 405 | NASDAQ | ZI | Mon, Jan 10, 2022 | 51.00 | 53.34 | 49.73 | 53.24 | 404 | NASDAQ | ZI | Fri, Jan 7, 2022 | 54.29 | 55.94 | 52.30 | 52.50 | 403 | NASDAQ | ZI | Thu, Jan 6, 2022 | 53.20 | 56.19 | 52.77 | 54.39 | 402 | NASDAQ | ZI | Wed, Jan 5, 2022 | 57.29 | 57.52 | 53.67 | 54.32 | 401 | NASDAQ | ZI | Tue, Jan 4, 2022 | 62.28 | 62.28 | 55.55 | 58.81 | 400 | NASDAQ | ZI | Mon, Jan 3, 2022 | 64.66 | 65.21 | 60.54 | 61.46 | 399 | NASDAQ | ZI | Fri, Dec 31, 2021 | 64.43 | 65.79 | 64.17 | 64.20 | 398 | NASDAQ | ZI | Thu, Dec 30, 2021 | 64.86 | 66.04 | 64.72 | 64.73 | 397 | NASDAQ | ZI | Wed, Dec 29, 2021 | 64.72 | 65.16 | 63.63 | 64.49 | 396 | NASDAQ | ZI | Tue, Dec 28, 2021 | 66.91 | 67.19 | 64.60 | 64.72 | 395 | NASDAQ | ZI | Mon, Dec 27, 2021 | 66.14 | 67.88 | 66.14 | 66.82 | 394 | NASDAQ | ZI | Thu, Dec 23, 2021 | 64.32 | 66.20 | 63.71 | 65.72 | 393 | NASDAQ | ZI | Wed, Dec 22, 2021 | 64.58 | 66.55 | 64.35 | 64.90 | 392 | NASDAQ | ZI | Tue, Dec 21, 2021 | 62.14 | 64.96 | 60.72 | 64.58 | 391 | NASDAQ | ZI | Mon, Dec 20, 2021 | 60.92 | 62.31 | 60.06 | 61.32 | 390 | NASDAQ | ZI | Fri, Dec 17, 2021 | 60.35 | 63.81 | 58.66 | 62.73 | 389 | NASDAQ | ZI | Thu, Dec 16, 2021 | 65.63 | 65.78 | 60.65 | 61.44 | 388 | NASDAQ | ZI | Wed, Dec 15, 2021 | 59.93 | 65.10 | 59.93 | 64.25 | 387 | NASDAQ | ZI | Tue, Dec 14, 2021 | 59.85 | 62.24 | 58.86 | 60.46 | 386 | NASDAQ | ZI | Mon, Dec 13, 2021 | 63.96 | 65.40 | 61.13 | 62.03 | 385 | NASDAQ | ZI | Fri, Dec 10, 2021 | 63.55 | 64.95 | 61.84 | 63.75 | 384 | NASDAQ | ZI | Thu, Dec 9, 2021 | 65.27 | 66.74 | 62.90 | 62.91 | 383 | NASDAQ | ZI | Wed, Dec 8, 2021 | 63.23 | 66.60 | 62.20 | 65.95 | 382 | NASDAQ | ZI | Tue, Dec 7, 2021 | 62.37 | 64.19 | 61.44 | 62.78 | 381 | NASDAQ | ZI | Mon, Dec 6, 2021 | 56.74 | 60.75 | 55.90 | 60.08 | 380 | NASDAQ | ZI | Fri, Dec 3, 2021 | 63.21 | 63.21 | 56.27 | 56.91 | 379 | NASDAQ | ZI | Thu, Dec 2, 2021 | 59.14 | 63.16 | 59.11 | 62.51 | 378 | NASDAQ | ZI | Wed, Dec 1, 2021 | 62.94 | 65.91 | 58.46 | 59.33 | 377 | NASDAQ | ZI | Tue, Nov 30, 2021 | 70.42 | 70.42 | 61.33 | 61.70 | 376 | NASDAQ | ZI | Mon, Nov 29, 2021 | 71.22 | 71.50 | 69.33 | 69.86 | 375 | NASDAQ | ZI | Fri, Nov 26, 2021 | 70.49 | 72.00 | 69.55 | 70.01 | 374 | NASDAQ | ZI | Wed, Nov 24, 2021 | 67.83 | 70.83 | 66.36 | 70.78 | 373 | NASDAQ | ZI | Tue, Nov 23, 2021 | 72.33 | 73.56 | 66.30 | 67.64 | 372 | NASDAQ | ZI | Mon, Nov 22, 2021 | 76.72 | 77.26 | 72.57 | 74.01 | 371 | NASDAQ | ZI | Fri, Nov 19, 2021 | 79.17 | 79.17 | 76.61 | 77.09 | 370 | NASDAQ | ZI | Thu, Nov 18, 2021 | 77.27 | 77.50 | 75.52 | 77.35 | 369 | NASDAQ | ZI | Wed, Nov 17, 2021 | 77.00 | 77.51 | 75.76 | 77.35 | 368 | NASDAQ | ZI | Tue, Nov 16, 2021 | 75.40 | 76.50 | 75.14 | 76.35 | 367 | NASDAQ | ZI | Mon, Nov 15, 2021 | 74.92 | 75.55 | 73.65 | 75.50 | 366 | NASDAQ | ZI | Fri, Nov 12, 2021 | 73.39 | 74.95 | 73.39 | 74.57 | 365 | NASDAQ | ZI | Thu, Nov 11, 2021 | 71.11 | 73.00 | 71.03 | 72.54 | 364 | NASDAQ | ZI | Wed, Nov 10, 2021 | 73.07 | 73.96 | 70.12 | 70.68 | 363 | NASDAQ | ZI | Tue, Nov 9, 2021 | 74.25 | 74.25 | 72.36 | 73.99 | 362 | NASDAQ | ZI | Mon, Nov 8, 2021 | 73.65 | 74.29 | 72.12 | 74.11 | 361 | NASDAQ | ZI | Fri, Nov 5, 2021 | 73.00 | 73.90 | 71.70 | 73.65 | 360 | NASDAQ | ZI | Thu, Nov 4, 2021 | 70.00 | 72.99 | 69.70 | 72.00 | 359 | NASDAQ | ZI | Wed, Nov 3, 2021 | 69.25 | 70.00 | 67.17 | 69.85 | 358 | NASDAQ | ZI | Tue, Nov 2, 2021 | 72.58 | 73.19 | 65.25 | 69.71 | 357 | NASDAQ | ZI | Mon, Nov 1, 2021 | 68.67 | 69.30 | 67.67 | 68.36 | 356 | NASDAQ | ZI | Fri, Oct 29, 2021 | 66.91 | 67.93 | 66.61 | 67.22 | 355 | NASDAQ | ZI | Thu, Oct 28, 2021 | 66.60 | 67.25 | 64.77 | 67.15 | 354 | NASDAQ | ZI | Wed, Oct 27, 2021 | 69.00 | 69.72 | 65.90 | 66.09 | 353 | NASDAQ | ZI | Tue, Oct 26, 2021 | 70.00 | 70.87 | 68.33 | 69.14 | 352 | NASDAQ | ZI | Mon, Oct 25, 2021 | 69.39 | 70.03 | 68.23 | 69.60 | 351 | NASDAQ | ZI | Fri, Oct 22, 2021 | 70.00 | 70.06 | 68.49 | 69.30 | 350 | NASDAQ | ZI | Thu, Oct 21, 2021 | 68.25 | 69.86 | 68.03 | 69.85 | 349 | NASDAQ | ZI | Wed, Oct 20, 2021 | 70.00 | 70.24 | 67.29 | 68.30 | 348 | NASDAQ | ZI | Tue, Oct 19, 2021 | 68.60 | 70.25 | 68.04 | 69.56 | 347 | NASDAQ | ZI | Mon, Oct 18, 2021 | 67.13 | 68.88 | 67.04 | 68.17 | 346 | NASDAQ | ZI | Fri, Oct 15, 2021 | 67.35 | 67.99 | 66.31 | 67.29 | 345 | NASDAQ | ZI | Thu, Oct 14, 2021 | 66.32 | 68.19 | 66.02 | 67.07 | 344 | NASDAQ | ZI | Wed, Oct 13, 2021 | 63.63 | 65.40 | 63.41 | 65.38 | 343 | NASDAQ | ZI | Tue, Oct 12, 2021 | 63.17 | 63.91 | 61.88 | 63.43 | 342 | NASDAQ | ZI | Mon, Oct 11, 2021 | 61.79 | 63.23 | 61.56 | 62.53 | 341 | NASDAQ | ZI | Fri, Oct 8, 2021 | 63.40 | 63.85 | 61.94 | 62.33 | 340 | NASDAQ | ZI | Thu, Oct 7, 2021 | 63.30 | 64.89 | 62.64 | 62.94 | 339 | NASDAQ | ZI | Wed, Oct 6, 2021 | 60.22 | 62.68 | 59.65 | 62.56 | 338 | NASDAQ | ZI | Tue, Oct 5, 2021 | 60.77 | 61.77 | 60.64 | 60.98 | 337 | NASDAQ | ZI | Mon, Oct 4, 2021 | 61.50 | 61.56 | 59.60 | 60.35 | 336 | NASDAQ | ZI | Fri, Oct 1, 2021 | 61.15 | 61.73 | 59.23 | 61.50 | 335 | NASDAQ | ZI | Thu, Sep 30, 2021 | 61.47 | 62.60 | 61.11 | 61.19 | 334 | NASDAQ | ZI | Wed, Sep 29, 2021 | 61.46 | 62.11 | 60.40 | 61.26 | 333 | NASDAQ | ZI | Tue, Sep 28, 2021 | 64.11 | 64.11 | 60.53 | 61.02 | 332 | NASDAQ | ZI | Mon, Sep 27, 2021 | 68.00 | 68.00 | 63.07 | 64.89 | 331 | NASDAQ | ZI | Fri, Sep 24, 2021 | 68.00 | 68.04 | 66.04 | 67.85 | 330 | NASDAQ | ZI | Thu, Sep 23, 2021 | 68.72 | 69.00 | 67.30 | 67.82 | 329 | NASDAQ | ZI | Wed, Sep 22, 2021 | 68.00 | 69.16 | 67.25 | 68.52 | 328 | NASDAQ | ZI | Tue, Sep 21, 2021 | 66.52 | 68.35 | 66.29 | 68.04 | 327 | NASDAQ | ZI | Mon, Sep 20, 2021 | 64.96 | 67.39 | 64.45 | 66.17 | 326 | NASDAQ | ZI | Fri, Sep 17, 2021 | 69.04 | 69.72 | 66.94 | 67.85 | 325 | NASDAQ | ZI | Thu, Sep 16, 2021 | 67.14 | 68.36 | 66.29 | 68.17 | 324 | NASDAQ | ZI | Wed, Sep 15, 2021 | 66.24 | 67.63 | 65.72 | 67.16 | 323 | NASDAQ | ZI | Tue, Sep 14, 2021 | 65.50 | 68.78 | 64.66 | 67.01 | 322 | NASDAQ | ZI | Mon, Sep 13, 2021 | 64.30 | 65.62 | 62.69 | 64.59 | 321 | NASDAQ | ZI | Fri, Sep 10, 2021 | 64.54 | 64.84 | 62.84 | 63.16 | 320 | NASDAQ | ZI | Thu, Sep 9, 2021 | 63.65 | 65.40 | 63.65 | 64.15 | 319 | NASDAQ | ZI | Wed, Sep 8, 2021 | 66.50 | 67.02 | 62.88 | 63.45 | 318 | NASDAQ | ZI | Tue, Sep 7, 2021 | 66.89 | 67.32 | 64.09 | 66.66 | 317 | NASDAQ | ZI | Fri, Sep 3, 2021 | 65.98 | 66.64 | 64.76 | 66.33 | 316 | NASDAQ | ZI | Thu, Sep 2, 2021 | 65.04 | 66.94 | 64.94 | 65.63 | 315 | NASDAQ | ZI | Wed, Sep 1, 2021 | 65.19 | 65.49 | 63.36 | 64.96 | 314 | NASDAQ | ZI | Tue, Aug 31, 2021 | 64.70 | 65.80 | 64.13 | 65.19 | 313 | NASDAQ | ZI | Mon, Aug 30, 2021 | 64.92 | 66.11 | 63.48 | 64.21 | 312 | NASDAQ | ZI | Fri, Aug 27, 2021 | 61.80 | 63.40 | 61.55 | 63.19 | 311 | NASDAQ | ZI | Thu, Aug 26, 2021 | 62.40 | 63.67 | 60.75 | 61.70 | 310 | NASDAQ | ZI | Wed, Aug 25, 2021 | 61.45 | 63.15 | 61.45 | 62.50 | 309 | NASDAQ | ZI | Tue, Aug 24, 2021 | 62.79 | 63.25 | 61.15 | 61.17 | 308 | NASDAQ | ZI | Mon, Aug 23, 2021 | 62.48 | 63.10 | 61.40 | 62.64 | 307 | NASDAQ | ZI | Fri, Aug 20, 2021 | 61.00 | 61.50 | 59.42 | 61.08 | 306 | NASDAQ | ZI | Thu, Aug 19, 2021 | 59.06 | 61.39 | 58.70 | 60.67 | 305 | NASDAQ | ZI | Wed, Aug 18, 2021 | 60.15 | 60.71 | 58.89 | 59.90 | 304 | NASDAQ | ZI | Tue, Aug 17, 2021 | 58.00 | 60.07 | 57.57 | 59.91 | 303 | NASDAQ | ZI | Mon, Aug 16, 2021 | 62.00 | 62.07 | 58.68 | 58.88 | 302 | NASDAQ | ZI | Fri, Aug 13, 2021 | 62.44 | 62.76 | 61.80 | 62.49 | 301 | NASDAQ | ZI | Thu, Aug 12, 2021 | 61.49 | 62.91 | 60.80 | 62.22 | 300 | NASDAQ | ZI | Wed, Aug 11, 2021 | 60.43 | 61.75 | 59.28 | 61.49 | 299 | NASDAQ | ZI | Tue, Aug 10, 2021 | 61.90 | 62.21 | 59.22 | 59.54 | 298 | NASDAQ | ZI | Mon, Aug 9, 2021 | 62.50 | 62.65 | 59.82 | 61.34 | 297 | NASDAQ | ZI | Fri, Aug 6, 2021 | 64.76 | 67.22 | 63.01 | 64.54 | 296 | NASDAQ | ZI | Thu, Aug 5, 2021 | 61.11 | 67.63 | 58.90 | 66.58 | 295 | NASDAQ | ZI | Wed, Aug 4, 2021 | 56.22 | 60.71 | 55.50 | 60.60 | 294 | NASDAQ | ZI | Tue, Aug 3, 2021 | 61.38 | 63.66 | 55.82 | 56.50 | 293 | NASDAQ | ZI | Mon, Aug 2, 2021 | 54.00 | 55.15 | 53.64 | 54.78 | 292 | NASDAQ | ZI | Fri, Jul 30, 2021 | 53.24 | 53.76 | 52.63 | 53.75 | 291 | NASDAQ | ZI | Thu, Jul 29, 2021 | 54.03 | 54.80 | 53.45 | 54.26 | 290 | NASDAQ | ZI | Wed, Jul 28, 2021 | 54.00 | 55.05 | 53.80 | 54.12 | 289 | NASDAQ | ZI | Tue, Jul 27, 2021 | 54.05 | 54.71 | 52.30 | 53.65 | 288 | NASDAQ | ZI | Mon, Jul 26, 2021 | 53.78 | 54.76 | 53.09 | 54.38 | 287 | NASDAQ | ZI | Fri, Jul 23, 2021 | 53.50 | 54.19 | 52.72 | 53.84 | 286 | NASDAQ | ZI | Thu, Jul 22, 2021 | 52.44 | 53.83 | 51.89 | 53.43 | 285 | NASDAQ | ZI | Wed, Jul 21, 2021 | 52.99 | 53.10 | 51.75 | 52.34 | 284 | NASDAQ | ZI | Tue, Jul 20, 2021 | 50.54 | 52.62 | 50.31 | 52.50 | 283 | NASDAQ | ZI | Mon, Jul 19, 2021 | 49.18 | 50.37 | 48.51 | 50.36 | 282 | NASDAQ | ZI | Fri, Jul 16, 2021 | 50.72 | 50.72 | 49.48 | 49.75 | 281 | NASDAQ | ZI | Thu, Jul 15, 2021 | 50.70 | 50.70 | 48.29 | 49.75 | 280 | NASDAQ | ZI | Wed, Jul 14, 2021 | 53.13 | 53.43 | 50.41 | 50.66 | 279 | NASDAQ | ZI | Tue, Jul 13, 2021 | 53.16 | 54.47 | 52.44 | 52.93 | 278 | NASDAQ | ZI | Mon, Jul 12, 2021 | 52.93 | 53.79 | 51.61 | 53.03 | 277 | NASDAQ | ZI | Fri, Jul 9, 2021 | 51.72 | 52.74 | 51.25 | 52.68 | 276 | NASDAQ | ZI | Thu, Jul 8, 2021 | 50.28 | 52.31 | 49.07 | 51.86 | 275 | NASDAQ | ZI | Wed, Jul 7, 2021 | 53.00 | 53.22 | 51.41 | 51.58 | 274 | NASDAQ | ZI | Tue, Jul 6, 2021 | 51.90 | 54.20 | 51.64 | 52.61 | 273 | NASDAQ | ZI | Fri, Jul 2, 2021 | 51.62 | 52.15 | 51.13 | 51.90 | 272 | NASDAQ | ZI | Thu, Jul 1, 2021 | 52.00 | 52.22 | 50.05 | 51.41 | 271 | NASDAQ | ZI | Wed, Jun 30, 2021 | 53.00 | 53.20 | 52.02 | 52.17 | 270 | NASDAQ | ZI | Tue, Jun 29, 2021 | 52.67 | 53.88 | 51.90 | 53.43 | 269 | NASDAQ | ZI | Mon, Jun 28, 2021 | 54.10 | 54.10 | 52.68 | 53.38 | 268 | NASDAQ | ZI | Fri, Jun 25, 2021 | 53.13 | 54.08 | 52.20 | 53.85 | 267 | NASDAQ | ZI | Thu, Jun 24, 2021 | 52.54 | 54.24 | 52.54 | 53.14 | 266 | NASDAQ | ZI | Wed, Jun 23, 2021 | 51.95 | 53.27 | 51.68 | 52.71 | 265 | NASDAQ | ZI | Tue, Jun 22, 2021 | 51.93 | 52.50 | 51.47 | 51.83 | 264 | NASDAQ | ZI | Mon, Jun 21, 2021 | 51.00 | 52.07 | 50.13 | 51.98 | 263 | NASDAQ | ZI | Fri, Jun 18, 2021 | 50.12 | 52.15 | 50.12 | 51.39 | 262 | NASDAQ | ZI | Thu, Jun 17, 2021 | 47.51 | 50.75 | 47.21 | 50.60 | 261 | NASDAQ | ZI | Wed, Jun 16, 2021 | 45.50 | 49.20 | 45.25 | 49.01 | 260 | NASDAQ | ZI | Tue, Jun 15, 2021 | 46.81 | 46.82 | 44.42 | 45.00 | 259 | NASDAQ | ZI | Mon, Jun 14, 2021 | 45.79 | 47.09 | 45.12 | 46.35 | 258 | NASDAQ | ZI | Fri, Jun 11, 2021 | 46.79 | 46.84 | 45.16 | 46.44 | 257 | NASDAQ | ZI | Thu, Jun 10, 2021 | 44.70 | 46.51 | 44.58 | 46.37 | 256 | NASDAQ | ZI | Wed, Jun 9, 2021 | 44.92 | 45.69 | 44.50 | 44.88 | 255 | NASDAQ | ZI | Tue, Jun 8, 2021 | 44.64 | 45.33 | 43.95 | 44.74 | 254 | NASDAQ | ZI | Mon, Jun 7, 2021 | 43.66 | 45.32 | 43.50 | 44.77 | 253 | NASDAQ | ZI | Fri, Jun 4, 2021 | 41.91 | 44.23 | 41.91 | 44.20 | 252 | NASDAQ | ZI | Thu, Jun 3, 2021 | 42.37 | 43.18 | 41.38 | 41.82 | 251 | NASDAQ | ZI | Wed, Jun 2, 2021 | 42.52 | 43.54 | 42.34 | 43.49 | 250 | NASDAQ | ZI | Tue, Jun 1, 2021 | 44.00 | 44.10 | 42.15 | 42.76 | 249 | NASDAQ | ZI | Fri, May 28, 2021 | 44.00 | 44.86 | 43.69 | 43.83 | 248 | NASDAQ | ZI | Thu, May 27, 2021 | 42.70 | 44.56 | 42.00 | 44.25 | 247 | NASDAQ | ZI | Wed, May 26, 2021 | 42.19 | 43.76 | 42.13 | 42.99 | 246 | NASDAQ | ZI | Tue, May 25, 2021 | 43.25 | 43.71 | 41.77 | 42.12 | 245 | NASDAQ | ZI | Mon, May 24, 2021 | 43.00 | 43.28 | 42.44 | 42.86 | 244 | NASDAQ | ZI | Fri, May 21, 2021 | 43.44 | 44.09 | 42.21 | 42.36 | 243 | NASDAQ | ZI | Thu, May 20, 2021 | 41.62 | 43.37 | 41.57 | 43.20 | 242 | NASDAQ | ZI | Wed, May 19, 2021 | 40.07 | 41.98 | 39.59 | 41.35 | 241 | NASDAQ | ZI | Tue, May 18, 2021 | 40.31 | 42.50 | 39.66 | 40.62 | 240 | NASDAQ | ZI | Mon, May 17, 2021 | 39.90 | 40.30 | 37.86 | 39.99 | 239 | NASDAQ | ZI | Fri, May 14, 2021 | 40.03 | 40.87 | 39.13 | 40.20 | 238 | NASDAQ | ZI | Thu, May 13, 2021 | 42.28 | 42.54 | 38.94 | 39.71 | 237 | NASDAQ | ZI | Wed, May 12, 2021 | 42.30 | 44.47 | 41.35 | 42.04 | 236 | NASDAQ | ZI | Tue, May 11, 2021 | 40.56 | 43.96 | 39.80 | 43.30 | 235 | NASDAQ | ZI | Mon, May 10, 2021 | 42.76 | 42.99 | 40.39 | 42.48 | 234 | NASDAQ | ZI | Fri, May 7, 2021 | 44.62 | 46.33 | 42.96 | 42.98 | 233 | NASDAQ | ZI | Thu, May 6, 2021 | 46.50 | 46.54 | 44.51 | 45.57 | 232 | NASDAQ | ZI | Wed, May 5, 2021 | 49.18 | 49.27 | 46.06 | 46.50 | 231 | NASDAQ | ZI | Tue, May 4, 2021 | 50.16 | 50.30 | 47.28 | 48.42 | 230 | NASDAQ | ZI | Mon, May 3, 2021 | 52.48 | 52.66 | 49.47 | 49.91 | 229 | NASDAQ | ZI | Fri, Apr 30, 2021 | 51.67 | 52.41 | 51.14 | 51.86 | 228 | NASDAQ | ZI | Thu, Apr 29, 2021 | 52.30 | 52.55 | 50.54 | 52.06 | 227 | NASDAQ | ZI | Wed, Apr 28, 2021 | 51.02 | 52.93 | 50.64 | 52.56 | 226 | NASDAQ | ZI | Tue, Apr 27, 2021 | 52.81 | 53.92 | 51.68 | 52.21 | 225 | NASDAQ | ZI | Mon, Apr 26, 2021 | 51.97 | 53.47 | 51.70 | 53.04 | 224 | NASDAQ | ZI | Fri, Apr 23, 2021 | 49.89 | 51.52 | 49.50 | 51.33 | 223 | NASDAQ | ZI | Thu, Apr 22, 2021 | 48.44 | 50.47 | 48.09 | 49.59 | 222 | NASDAQ | ZI | Wed, Apr 21, 2021 | 45.86 | 49.11 | 45.49 | 49.10 | 221 | NASDAQ | ZI | Tue, Apr 20, 2021 | 47.66 | 47.68 | 45.01 | 45.63 | 220 | NASDAQ | ZI | Mon, Apr 19, 2021 | 48.40 | 49.74 | 46.76 | 47.38 | 219 | NASDAQ | ZI | Fri, Apr 16, 2021 | 47.80 | 47.96 | 46.55 | 47.91 | 218 | NASDAQ | ZI | Thu, Apr 15, 2021 | 49.07 | 49.96 | 47.02 | 47.57 | 217 | NASDAQ | ZI | Wed, Apr 14, 2021 | 50.57 | 50.57 | 47.74 | 48.16 | 216 | NASDAQ | ZI | Tue, Apr 13, 2021 | 47.94 | 49.70 | 47.94 | 49.04 | 215 | NASDAQ | ZI | Mon, Apr 12, 2021 | 47.00 | 48.61 | 46.86 | 47.40 | 214 | NASDAQ | ZI | Fri, Apr 9, 2021 | 48.38 | 48.38 | 46.12 | 47.27 | 213 | NASDAQ | ZI | Thu, Apr 8, 2021 | 48.54 | 49.41 | 47.91 | 48.03 | 212 | NASDAQ | ZI | Wed, Apr 7, 2021 | 48.89 | 50.10 | 47.99 | 48.09 | 211 | NASDAQ | ZI | Tue, Apr 6, 2021 | 48.05 | 48.95 | 47.28 | 48.00 | 210 | NASDAQ | ZI | Mon, Apr 5, 2021 | 49.03 | 49.12 | 46.47 | 47.56 | 209 | NASDAQ | ZI | Thu, Apr 1, 2021 | 50.42 | 50.55 | 47.83 | 48.17 | 208 | NASDAQ | ZI | Wed, Mar 31, 2021 | 49.48 | 50.38 | 48.74 | 48.90 | 207 | NASDAQ | ZI | Tue, Mar 30, 2021 | 49.01 | 50.48 | 48.64 | 49.00 | 206 | NASDAQ | ZI | Mon, Mar 29, 2021 | 52.42 | 52.55 | 48.63 | 49.69 | 205 | NASDAQ | ZI | Fri, Mar 26, 2021 | 54.92 | 57.72 | 51.23 | 52.90 | 204 | NASDAQ | ZI | Thu, Mar 25, 2021 | 52.78 | 56.00 | 49.75 | 54.48 | 203 | NASDAQ | ZI | Wed, Mar 24, 2021 | 55.47 | 55.90 | 53.50 | 54.40 | 202 | NASDAQ | ZI | Tue, Mar 23, 2021 | 53.84 | 57.03 | 53.26 | 56.33 | 201 | NASDAQ | ZI | Mon, Mar 22, 2021 | 51.86 | 55.15 | 51.14 | 54.69 | 200 | NASDAQ | ZI | Fri, Mar 19, 2021 | 46.80 | 48.99 | 46.50 | 48.84 | 199 | NASDAQ | ZI | Thu, Mar 18, 2021 | 48.00 | 48.63 | 46.82 | 47.20 | 198 | NASDAQ | ZI | Wed, Mar 17, 2021 | 47.40 | 49.10 | 45.95 | 48.53 | 197 | NASDAQ | ZI | Tue, Mar 16, 2021 | 48.81 | 49.77 | 47.65 | 48.34 | 196 | NASDAQ | ZI | Mon, Mar 15, 2021 | 48.63 | 48.80 | 47.10 | 47.77 | 195 | NASDAQ | ZI | Fri, Mar 12, 2021 | 48.19 | 48.70 | 46.85 | 48.34 | 194 | NASDAQ | ZI | Thu, Mar 11, 2021 | 48.20 | 48.99 | 47.03 | 48.73 | 193 | NASDAQ | ZI | Wed, Mar 10, 2021 | 47.96 | 49.09 | 46.48 | 46.88 | 192 | NASDAQ | ZI | Tue, Mar 9, 2021 | 45.50 | 48.11 | 44.87 | 47.21 | 191 | NASDAQ | ZI | Mon, Mar 8, 2021 | 46.46 | 47.11 | 43.20 | 43.72 | 190 | NASDAQ | ZI | Fri, Mar 5, 2021 | 45.95 | 46.70 | 41.75 | 45.99 | 189 | NASDAQ | ZI | Thu, Mar 4, 2021 | 47.17 | 48.38 | 43.33 | 45.71 | 188 | NASDAQ | ZI | Wed, Mar 3, 2021 | 55.69 | 55.71 | 47.26 | 47.79 | 187 | NASDAQ | ZI | Tue, Mar 2, 2021 | 56.38 | 57.37 | 55.22 | 56.11 | 186 | NASDAQ | ZI | Mon, Mar 1, 2021 | 53.87 | 56.68 | 53.45 | 56.38 | 185 | NASDAQ | ZI | Fri, Feb 26, 2021 | 53.17 | 53.87 | 49.60 | 52.42 | 184 | NASDAQ | ZI | Thu, Feb 25, 2021 | 56.53 | 59.90 | 52.52 | 53.25 | 183 | NASDAQ | ZI | Wed, Feb 24, 2021 | 53.51 | 57.97 | 51.05 | 56.53 | 182 | NASDAQ | ZI | Tue, Feb 23, 2021 | 56.70 | 60.28 | 53.06 | 53.43 | 181 | NASDAQ | ZI | Mon, Feb 22, 2021 | 53.83 | 55.60 | 50.83 | 51.32 | 180 | NASDAQ | ZI | Fri, Feb 19, 2021 | 55.86 | 56.74 | 54.25 | 54.74 | 179 | NASDAQ | ZI | Thu, Feb 18, 2021 | 53.87 | 56.30 | 52.94 | 55.32 | 178 | NASDAQ | ZI | Wed, Feb 17, 2021 | 55.25 | 55.40 | 52.55 | 53.95 | 177 | NASDAQ | ZI | Tue, Feb 16, 2021 | 58.14 | 58.80 | 54.77 | 55.77 | 176 | NASDAQ | ZI | Fri, Feb 12, 2021 | 57.00 | 58.37 | 55.71 | 57.84 | 175 | NASDAQ | ZI | Thu, Feb 11, 2021 | 56.98 | 57.50 | 54.89 | 57.00 | 174 | NASDAQ | ZI | Wed, Feb 10, 2021 | 56.88 | 56.88 | 51.91 | 55.72 | 173 | NASDAQ | ZI | Tue, Feb 9, 2021 | 57.00 | 57.80 | 55.58 | 56.37 | 172 | NASDAQ | ZI | Mon, Feb 8, 2021 | 58.08 | 58.30 | 54.07 | 57.41 | 171 | NASDAQ | ZI | Fri, Feb 5, 2021 | 56.00 | 58.45 | 54.54 | 58.08 | 170 | NASDAQ | ZI | Thu, Feb 4, 2021 | 54.81 | 57.15 | 54.00 | 56.31 | 169 | NASDAQ | ZI | Wed, Feb 3, 2021 | 51.90 | 55.60 | 51.50 | 54.58 | 168 | NASDAQ | ZI | Tue, Feb 2, 2021 | 51.90 | 52.16 | 46.68 | 51.09 | 167 | NASDAQ | ZI | Mon, Feb 1, 2021 | 47.91 | 51.08 | 47.77 | 50.22 | 166 | NASDAQ | ZI | Fri, Jan 29, 2021 | 48.26 | 48.90 | 46.82 | 48.01 | 165 | NASDAQ | ZI | Thu, Jan 28, 2021 | 48.71 | 49.05 | 45.59 | 48.50 | 164 | NASDAQ | ZI | Wed, Jan 27, 2021 | 49.21 | 50.10 | 46.01 | 49.96 | 163 | NASDAQ | ZI | Tue, Jan 26, 2021 | 46.44 | 50.21 | 46.44 | 49.25 | 162 | NASDAQ | ZI | Mon, Jan 25, 2021 | 46.50 | 47.21 | 44.52 | 46.44 | 161 | NASDAQ | ZI | Fri, Jan 22, 2021 | 46.25 | 47.11 | 45.61 | 46.27 | 160 | NASDAQ | ZI | Thu, Jan 21, 2021 | 48.09 | 48.24 | 45.82 | 46.25 | 159 | NASDAQ | ZI | Wed, Jan 20, 2021 | 47.29 | 48.36 | 46.70 | 47.00 | 158 | NASDAQ | ZI | Tue, Jan 19, 2021 | 46.63 | 47.97 | 46.16 | 46.60 | 157 | NASDAQ | ZI | Fri, Jan 15, 2021 | 46.00 | 46.90 | 44.87 | 45.34 | 156 | NASDAQ | ZI | Thu, Jan 14, 2021 | 45.14 | 46.95 | 45.01 | 45.42 | 155 | NASDAQ | ZI | Wed, Jan 13, 2021 | 44.10 | 45.30 | 43.81 | 45.02 | 154 | NASDAQ | ZI | Tue, Jan 12, 2021 | 44.42 | 44.80 | 42.90 | 44.01 | 153 | NASDAQ | ZI | Mon, Jan 11, 2021 | 45.00 | 45.44 | 43.81 | 44.01 | 152 | NASDAQ | ZI | Fri, Jan 8, 2021 | 44.25 | 45.73 | 43.60 | 45.57 | 151 | NASDAQ | ZI | Thu, Jan 7, 2021 | 43.25 | 44.04 | 42.52 | 44.00 | 150 | NASDAQ | ZI | Wed, Jan 6, 2021 | 44.10 | 44.56 | 42.14 | 42.43 | 149 | NASDAQ | ZI | Tue, Jan 5, 2021 | 44.41 | 47.15 | 44.41 | 45.17 | 148 | NASDAQ | ZI | Mon, Jan 4, 2021 | 48.02 | 48.68 | 43.57 | 45.58 | 147 | NASDAQ | ZI | Thu, Dec 31, 2020 | 47.34 | 48.60 | 46.72 | 48.23 | 146 | NASDAQ | ZI | Wed, Dec 30, 2020 | 45.81 | 47.94 | 45.58 | 47.03 | 145 | NASDAQ | ZI | Tue, Dec 29, 2020 | 45.47 | 46.72 | 44.21 | 45.64 | 144 | NASDAQ | ZI | Mon, Dec 28, 2020 | 45.71 | 46.46 | 44.62 | 45.27 | 143 | NASDAQ | ZI | Thu, Dec 24, 2020 | 47.10 | 47.35 | 44.35 | 44.84 | 142 | NASDAQ | ZI | Wed, Dec 23, 2020 | 47.10 | 47.77 | 45.73 | 47.29 | 141 | NASDAQ | ZI | Tue, Dec 22, 2020 | 45.12 | 46.55 | 43.73 | 46.51 | 140 | NASDAQ | ZI | Mon, Dec 21, 2020 | 42.75 | 45.27 | 42.49 | 44.20 | 139 | NASDAQ | ZI | Fri, Dec 18, 2020 | 42.80 | 43.33 | 41.87 | 42.85 | 138 | NASDAQ | ZI | Thu, Dec 17, 2020 | 41.38 | 43.57 | 41.10 | 43.40 | 137 | NASDAQ | ZI | Wed, Dec 16, 2020 | 41.47 | 41.77 | 39.78 | 40.81 | 136 | NASDAQ | ZI | Tue, Dec 15, 2020 | 42.75 | 42.94 | 40.70 | 41.25 | 135 | NASDAQ | ZI | Mon, Dec 14, 2020 | 42.00 | 42.96 | 40.60 | 42.14 | 134 | NASDAQ | ZI | Fri, Dec 11, 2020 | 41.90 | 42.30 | 40.34 | 41.76 | 133 | NASDAQ | ZI | Thu, Dec 10, 2020 | 40.00 | 41.43 | 39.75 | 40.91 | 132 | NASDAQ | ZI | Wed, Dec 9, 2020 | 42.65 | 42.80 | 39.81 | 40.40 | 131 | NASDAQ | ZI | Tue, Dec 8, 2020 | 43.89 | 44.47 | 41.55 | 41.78 | 130 | NASDAQ | ZI | Mon, Dec 7, 2020 | 46.44 | 46.62 | 42.28 | 43.80 | 129 | NASDAQ | ZI | Fri, Dec 4, 2020 | 45.95 | 46.82 | 45.10 | 46.11 | 128 | NASDAQ | ZI | Thu, Dec 3, 2020 | 43.36 | 45.95 | 43.32 | 45.56 | 127 | NASDAQ | ZI | Wed, Dec 2, 2020 | 44.29 | 44.72 | 42.85 | 43.01 | 126 | NASDAQ | ZI | Tue, Dec 1, 2020 | 51.50 | 53.08 | 45.26 | 47.93 | 125 | NASDAQ | ZI | Mon, Nov 30, 2020 | 48.46 | 51.25 | 47.03 | 51.25 | 124 | NASDAQ | ZI | Fri, Nov 27, 2020 | 48.10 | 52.20 | 47.62 | 48.78 | 123 | NASDAQ | ZI | Wed, Nov 25, 2020 | 45.28 | 47.28 | 44.39 | 47.10 | 122 | NASDAQ | ZI | Tue, Nov 24, 2020 | 44.50 | 47.29 | 44.14 | 46.75 | 121 | NASDAQ | ZI | Mon, Nov 23, 2020 | 43.85 | 44.87 | 42.61 | 44.65 | 120 | NASDAQ | ZI | Fri, Nov 20, 2020 | 43.34 | 45.13 | 42.78 | 43.59 | 119 | NASDAQ | ZI | Thu, Nov 19, 2020 | 40.78 | 43.24 | 39.90 | 42.68 | 118 | NASDAQ | ZI | Wed, Nov 18, 2020 | 40.50 | 41.15 | 39.13 | 39.59 | 117 | NASDAQ | ZI | Tue, Nov 17, 2020 | 41.13 | 42.10 | 40.42 | 40.75 | 116 | NASDAQ | ZI | Mon, Nov 16, 2020 | 41.29 | 43.38 | 40.71 | 41.61 | 115 | NASDAQ | ZI | Fri, Nov 13, 2020 | 43.47 | 44.28 | 41.23 | 42.24 | 114 | NASDAQ | ZI | Thu, Nov 12, 2020 | 41.00 | 43.60 | 40.69 | 43.08 | 113 | NASDAQ | ZI | Wed, Nov 11, 2020 | 40.10 | 41.86 | 39.15 | 41.16 | 112 | NASDAQ | ZI | Tue, Nov 10, 2020 | 40.50 | 41.44 | 37.00 | 40.10 | 111 | NASDAQ | ZI | Mon, Nov 9, 2020 | 39.81 | 41.49 | 37.31 | 37.33 | 110 | NASDAQ | ZI | Fri, Nov 6, 2020 | 40.95 | 42.39 | 39.58 | 41.67 | 109 | NASDAQ | ZI | Thu, Nov 5, 2020 | 41.21 | 42.59 | 40.52 | 41.11 | 108 | NASDAQ | ZI | Wed, Nov 4, 2020 | 38.42 | 40.34 | 38.30 | 38.92 | 107 | NASDAQ | ZI | Tue, Nov 3, 2020 | 37.09 | 38.15 | 36.87 | 37.62 | 106 | NASDAQ | ZI | Mon, Nov 2, 2020 | 38.29 | 39.53 | 36.43 | 36.95 | 105 | NASDAQ | ZI | Fri, Oct 30, 2020 | 39.62 | 40.45 | 35.50 | 37.99 | 104 | NASDAQ | ZI | Thu, Oct 29, 2020 | 41.03 | 41.49 | 39.80 | 40.28 | 103 | NASDAQ | ZI | Wed, Oct 28, 2020 | 41.41 | 42.17 | 39.52 | 40.53 | 102 | NASDAQ | ZI | Tue, Oct 27, 2020 | 41.51 | 43.72 | 41.17 | 43.06 | 101 | NASDAQ | ZI | Mon, Oct 26, 2020 | 42.53 | 42.72 | 39.79 | 41.29 | 100 | NASDAQ | ZI | Fri, Oct 23, 2020 | 43.00 | 44.32 | 40.78 | 43.17 | 99 | NASDAQ | ZI | Thu, Oct 22, 2020 | 45.76 | 46.26 | 42.55 | 42.75 | 98 | NASDAQ | ZI | Wed, Oct 21, 2020 | 44.55 | 47.70 | 44.10 | 46.30 | 97 | NASDAQ | ZI | Tue, Oct 20, 2020 | 44.30 | 44.82 | 43.33 | 44.21 | 96 | NASDAQ | ZI | Mon, Oct 19, 2020 | 42.88 | 46.05 | 42.35 | 44.16 | 95 | NASDAQ | ZI | Fri, Oct 16, 2020 | 43.22 | 43.46 | 41.76 | 42.63 | 94 | NASDAQ | ZI | Thu, Oct 15, 2020 | 41.12 | 43.12 | 40.84 | 42.77 | 93 | NASDAQ | ZI | Wed, Oct 14, 2020 | 43.13 | 44.31 | 41.54 | 41.86 | 92 | NASDAQ | ZI | Tue, Oct 13, 2020 | 41.40 | 43.15 | 40.56 | 42.76 | 91 | NASDAQ | ZI | Mon, Oct 12, 2020 | 42.70 | 43.80 | 41.39 | 41.53 | 90 | NASDAQ | ZI | Fri, Oct 9, 2020 | 43.80 | 44.39 | 41.93 | 42.28 | 89 | NASDAQ | ZI | Thu, Oct 8, 2020 | 45.94 | 45.96 | 43.25 | 43.28 | 88 | NASDAQ | ZI | Wed, Oct 7, 2020 | 44.37 | 46.08 | 43.92 | 45.21 | 87 | NASDAQ | ZI | Tue, Oct 6, 2020 | 44.00 | 46.20 | 43.57 | 43.70 | 86 | NASDAQ | ZI | Mon, Oct 5, 2020 | 41.97 | 44.00 | 41.48 | 43.99 | 85 | NASDAQ | ZI | Fri, Oct 2, 2020 | 41.70 | 43.32 | 41.25 | 42.06 | 84 | NASDAQ | ZI | Thu, Oct 1, 2020 | 43.12 | 44.13 | 42.25 | 43.33 | 83 | NASDAQ | ZI | Wed, Sep 30, 2020 | 41.07 | 44.62 | 40.30 | 42.99 | 82 | NASDAQ | ZI | Tue, Sep 29, 2020 | 38.64 | 42.42 | 38.55 | 41.60 | 81 | NASDAQ | ZI | Mon, Sep 28, 2020 | 39.80 | 39.88 | 37.43 | 38.84 | 80 | NASDAQ | ZI | Fri, Sep 25, 2020 | 34.34 | 40.13 | 34.34 | 39.21 | 79 | NASDAQ | ZI | Thu, Sep 24, 2020 | 36.39 | 36.46 | 34.20 | 34.73 | 78 | NASDAQ | ZI | Wed, Sep 23, 2020 | 36.27 | 36.90 | 35.15 | 35.60 | 77 | NASDAQ | ZI | Tue, Sep 22, 2020 | 33.36 | 35.11 | 33.03 | 34.42 | 76 | NASDAQ | ZI | Mon, Sep 21, 2020 | 31.50 | 33.66 | 31.36 | 32.88 | 75 | NASDAQ | ZI | Fri, Sep 18, 2020 | 32.51 | 33.57 | 31.83 | 32.34 | 74 | NASDAQ | ZI | Thu, Sep 17, 2020 | 31.40 | 33.50 | 31.11 | 32.26 | 73 | NASDAQ | ZI | Wed, Sep 16, 2020 | 32.15 | 32.61 | 30.83 | 31.11 | 72 | NASDAQ | ZI | Tue, Sep 15, 2020 | 33.27 | 33.47 | 31.90 | 32.61 | 71 | NASDAQ | ZI | Mon, Sep 14, 2020 | 33.29 | 33.84 | 32.53 | 32.99 | 70 | NASDAQ | ZI | Fri, Sep 11, 2020 | 33.00 | 33.33 | 31.38 | 31.99 | 69 | NASDAQ | ZI | Thu, Sep 10, 2020 | 33.15 | 33.70 | 32.22 | 32.66 | 68 | NASDAQ | ZI | Wed, Sep 9, 2020 | 33.02 | 33.70 | 32.02 | 32.99 | 67 | NASDAQ | ZI | Tue, Sep 8, 2020 | 31.64 | 33.90 | 31.40 | 32.58 | 66 | NASDAQ | ZI | Fri, Sep 4, 2020 | 33.34 | 34.49 | 31.31 | 32.61 | 65 | NASDAQ | ZI | Thu, Sep 3, 2020 | 37.41 | 37.74 | 33.52 | 33.91 | 64 | NASDAQ | ZI | Wed, Sep 2, 2020 | 38.40 | 38.40 | 37.20 | 38.11 | 63 | NASDAQ | ZI | Tue, Sep 1, 2020 | 39.70 | 39.75 | 37.55 | 38.42 | 62 | NASDAQ | ZI | Mon, Aug 31, 2020 | 37.35 | 39.72 | 37.30 | 38.82 | 61 | NASDAQ | ZI | Fri, Aug 28, 2020 | 37.01 | 37.70 | 36.77 | 37.21 | 60 | NASDAQ | ZI | Thu, Aug 27, 2020 | 38.80 | 38.87 | 36.03 | 37.03 | 59 | NASDAQ | ZI | Wed, Aug 26, 2020 | 36.70 | 39.14 | 36.52 | 38.05 | 58 | NASDAQ | ZI | Tue, Aug 25, 2020 | 36.56 | 37.20 | 36.30 | 36.80 | 57 | NASDAQ | ZI | Mon, Aug 24, 2020 | 36.69 | 37.94 | 35.28 | 37.04 | 56 | NASDAQ | ZI | Fri, Aug 21, 2020 | 37.77 | 38.40 | 36.67 | 36.83 | 55 | NASDAQ | ZI | Thu, Aug 20, 2020 | 37.99 | 39.10 | 36.92 | 38.03 | 54 | NASDAQ | ZI | Wed, Aug 19, 2020 | 37.88 | 38.56 | 36.67 | 37.92 | 53 | NASDAQ | ZI | Tue, Aug 18, 2020 | 38.21 | 38.90 | 37.15 | 38.11 | 52 | NASDAQ | ZI | Mon, Aug 17, 2020 | 39.41 | 40.73 | 38.60 | 39.60 | 51 | NASDAQ | ZI | Fri, Aug 14, 2020 | 39.92 | 40.20 | 38.60 | 38.88 | 50 | NASDAQ | ZI | Thu, Aug 13, 2020 | 39.60 | 40.58 | 38.62 | 39.71 | 49 | NASDAQ | ZI | Wed, Aug 12, 2020 | 39.79 | 40.00 | 37.90 | 38.53 | 48 | NASDAQ | ZI | Tue, Aug 11, 2020 | 40.07 | 40.60 | 36.90 | 39.01 | 47 | NASDAQ | ZI | Mon, Aug 10, 2020 | 46.44 | 47.99 | 42.61 | 43.20 | 46 | NASDAQ | ZI | Fri, Aug 7, 2020 | 47.11 | 47.11 | 43.52 | 46.10 | 45 | NASDAQ | ZI | Thu, Aug 6, 2020 | 47.00 | 48.39 | 46.37 | 47.44 | 44 | NASDAQ | ZI | Wed, Aug 5, 2020 | 44.80 | 47.39 | 44.33 | 46.37 | 43 | NASDAQ | ZI | Tue, Aug 4, 2020 | 45.00 | 45.45 | 42.67 | 44.15 | 42 | NASDAQ | ZI | Mon, Aug 3, 2020 | 41.00 | 45.66 | 40.85 | 45.08 | 41 | NASDAQ | ZI | Fri, Jul 31, 2020 | 40.66 | 40.89 | 39.34 | 40.87 | 40 | NASDAQ | ZI | Thu, Jul 30, 2020 | 40.04 | 40.98 | 40.00 | 40.48 | 39 | NASDAQ | ZI | Wed, Jul 29, 2020 | 42.01 | 42.20 | 39.60 | 40.53 | 38 | NASDAQ | ZI | Tue, Jul 28, 2020 | 40.88 | 43.00 | 40.22 | 41.56 | 37 | NASDAQ | ZI | Mon, Jul 27, 2020 | 39.95 | 41.23 | 39.80 | 41.16 | 36 | NASDAQ | ZI | Fri, Jul 24, 2020 | 39.74 | 40.48 | 38.32 | 39.59 | 35 | NASDAQ | ZI | Thu, Jul 23, 2020 | 41.74 | 42.36 | 40.04 | 40.86 | 34 | NASDAQ | ZI | Wed, Jul 22, 2020 | 42.44 | 43.00 | 40.74 | 41.66 | 33 | NASDAQ | ZI | Tue, Jul 21, 2020 | 43.72 | 43.74 | 41.80 | 42.90 | 32 | NASDAQ | ZI | Mon, Jul 20, 2020 | 40.76 | 42.89 | 39.58 | 42.48 | 31 | NASDAQ | ZI | Fri, Jul 17, 2020 | 41.00 | 41.42 | 38.40 | 41.16 | 30 | NASDAQ | ZI | Thu, Jul 16, 2020 | 39.55 | 40.50 | 38.20 | 40.38 | 29 | NASDAQ | ZI | Wed, Jul 15, 2020 | 40.00 | 41.15 | 38.89 | 39.85 | 28 | NASDAQ | ZI | Tue, Jul 14, 2020 | 39.99 | 40.95 | 38.80 | 39.99 | 27 | NASDAQ | ZI | Mon, Jul 13, 2020 | 44.00 | 44.05 | 39.07 | 40.33 | 26 | NASDAQ | ZI | Fri, Jul 10, 2020 | 44.04 | 44.60 | 43.00 | 43.71 | 25 | NASDAQ | ZI | Thu, Jul 9, 2020 | 44.89 | 44.90 | 42.13 | 44.69 | 24 | NASDAQ | ZI | Wed, Jul 8, 2020 | 45.50 | 45.53 | 43.75 | 44.26 | 23 | NASDAQ | ZI | Tue, Jul 7, 2020 | 45.50 | 46.08 | 44.91 | 45.14 | 22 | NASDAQ | ZI | Mon, Jul 6, 2020 | 46.00 | 47.65 | 44.50 | 45.99 | 21 | NASDAQ | ZI | Thu, Jul 2, 2020 | 49.48 | 49.53 | 44.78 | 45.05 | 20 | NASDAQ | ZI | Wed, Jul 1, 2020 | 50.81 | 50.82 | 48.20 | 48.40 | 19 | NASDAQ | ZI | Tue, Jun 30, 2020 | 51.23 | 51.40 | 48.47 | 51.03 | 18 | NASDAQ | ZI | Mon, Jun 29, 2020 | 51.51 | 51.99 | 47.00 | 50.72 | 17 | NASDAQ | ZI | Fri, Jun 26, 2020 | 53.99 | 55.00 | 50.22 | 51.57 | 16 | NASDAQ | ZI | Thu, Jun 25, 2020 | 50.91 | 54.60 | 49.70 | 53.19 | 15 | NASDAQ | ZI | Wed, Jun 24, 2020 | 49.25 | 51.68 | 47.22 | 50.98 | 14 | NASDAQ | ZI | Tue, Jun 23, 2020 | 50.95 | 51.75 | 49.02 | 49.68 | 13 | NASDAQ | ZI | Mon, Jun 22, 2020 | 45.25 | 50.50 | 44.00 | 49.41 | 12 | NASDAQ | ZI | Fri, Jun 19, 2020 | 47.20 | 47.31 | 43.79 | 45.37 | 11 | NASDAQ | ZI | Thu, Jun 18, 2020 | 44.00 | 46.90 | 43.77 | 45.75 | 10 | NASDAQ | ZI | Wed, Jun 17, 2020 | 48.50 | 48.50 | 43.25 | 43.51 | 9 | NASDAQ | ZI | Tue, Jun 16, 2020 | 52.00 | 52.40 | 46.93 | 48.39 | 8 | NASDAQ | ZI | Mon, Jun 15, 2020 | 49.85 | 51.20 | 48.75 | 49.97 | 7 | NASDAQ | ZI | Fri, Jun 12, 2020 | 54.72 | 55.65 | 48.95 | 51.22 | 6 | NASDAQ | ZI | Thu, Jun 11, 2020 | 48.09 | 49.82 | 44.50 | 49.50 | 5 | NASDAQ | ZI | Wed, Jun 10, 2020 | 59.22 | 64.40 | 50.07 | 50.30 | 4 | NASDAQ | ZI | Tue, Jun 9, 2020 | 46.93 | 51.75 | 44.70 | 50.00 | 3 | NASDAQ | ZI | Mon, Jun 8, 2020 | 41.90 | 47.90 | 40.66 | 44.69 | 2 | NASDAQ | ZI | Fri, Jun 5, 2020 | 36.50 | 40.00 | 34.60 | 38.89 | 1 | NASDAQ | ZI | Thu, Jun 4, 2020 | 40.00 | 42.00 | 32.10 | 34.00 |
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# | Exchange | Symbol | Date | Open | High | Low | Close |
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