OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

ZS $202.50 Put

ZS261023P00202500

Latest saved OI283Oct 23, 2026
Last change-41vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $202.50 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. 3241620 2026-10-09: 143 OI2026-10-12: 145 OI2026-10-14: 212 OI2026-10-15: 245 OI2026-10-16: 229 OI2026-10-21: 324 OI2026-10-23: 283 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, 2026283-41
Oct 21, 2026Viewing324+95
Oct 16, 2026229-16
Oct 15, 2026245+33
Oct 14, 2026212+67
Oct 12, 2026145+2
Oct 09, 2026143No prior observation