OITracker Cboe delayed data

Contract OI history

Back to ZS

Oct 23, 2026 EXPIRATION

ZS $200.00 Put

ZS261023P00200000

Latest saved OI384Oct 23, 2026
Last change-7vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $200.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3911950 2026-10-09: 134 OI2026-10-12: 125 OI2026-10-14: 184 OI2026-10-15: 201 OI2026-10-16: 278 OI2026-10-21: 391 OI2026-10-23: 384 OI Oct 09, 2026Oct 23, 2026

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

ZS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026384-7
Oct 21, 2026Viewing391+113
Oct 16, 2026278+77
Oct 15, 2026201+17
Oct 14, 2026184+59
Oct 12, 2026125-9
Oct 09, 2026134No prior observation