OITracker Cboe delayed data

Contract OI history

Back to ZTS

Jan 21, 2028 EXPIRATION

ZTS $70.00 Call

ZTS280121C00070000

Latest saved OI295Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZTS $70.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5012500 2026-10-02: 501 OI2026-10-05: 501 OI2026-10-06: 499 OI2026-10-07: 473 OI2026-10-08: 473 OI2026-10-09: 460 OI2026-10-12: 326 OI2026-10-14: 322 OI2026-10-15: 322 OI2026-10-16: 320 OI2026-10-21: 297 OI2026-10-23: 295 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ZTS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing295-2
Oct 21, 2026297-23
Oct 16, 2026320-2
Oct 15, 20263220
Oct 14, 2026322-4
Oct 12, 2026326-134
Oct 09, 2026460-13
Oct 08, 20264730
Oct 07, 2026473-26
Oct 06, 2026499-2
Oct 05, 20265010
Oct 02, 2026501No prior observation