OITracker Cboe delayed data

Contract OI history

Back to ZTS

Jan 21, 2028 EXPIRATION

ZTS $60.00 Put

ZTS280121P00060000

Latest saved OI350Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZTS $60.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3811900 2026-10-02: 375 OI2026-10-05: 375 OI2026-10-06: 375 OI2026-10-07: 381 OI2026-10-08: 381 OI2026-10-09: 381 OI2026-10-12: 381 OI2026-10-14: 375 OI2026-10-15: 365 OI2026-10-16: 350 OI2026-10-21: 351 OI2026-10-23: 350 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, 2026Viewing350-1
Oct 21, 2026351+1
Oct 16, 2026350-15
Oct 15, 2026365-10
Oct 14, 2026375-6
Oct 12, 20263810
Oct 09, 20263810
Oct 08, 20263810
Oct 07, 2026381+6
Oct 06, 20263750
Oct 05, 20263750
Oct 02, 2026375No prior observation