OITracker Cboe delayed data

Contract OI history

Back to ZTS

Jan 19, 2029 EXPIRATION

ZTS $110.00 Call

ZTS290119C00110000

Latest saved OI529Oct 23, 2026
Last change+21vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZTS $110.00 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. 5292640 2026-10-02: 10 OI2026-10-05: 11 OI2026-10-06: 244 OI2026-10-07: 272 OI2026-10-08: 272 OI2026-10-09: 289 OI2026-10-12: 441 OI2026-10-14: 447 OI2026-10-15: 450 OI2026-10-16: 450 OI2026-10-21: 508 OI2026-10-23: 529 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, 2026Viewing529+21
Oct 21, 2026508+58
Oct 16, 20264500
Oct 15, 2026450+3
Oct 14, 2026447+6
Oct 12, 2026441+152
Oct 09, 2026289+17
Oct 08, 20262720
Oct 07, 2026272+28
Oct 06, 2026244+233
Oct 05, 202611+1
Oct 02, 202610No prior observation