OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

ZS $190.00 Call

ZS270115C00190000

Latest saved OI427Oct 23, 2026
Last change-3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $190.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4402200 2026-10-09: 440 OI2026-10-12: 437 OI2026-10-14: 437 OI2026-10-15: 431 OI2026-10-16: 431 OI2026-10-21: 430 OI2026-10-23: 427 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, 2026Viewing427-3
Oct 21, 2026430-1
Oct 16, 20264310
Oct 15, 2026431-6
Oct 14, 20264370
Oct 12, 2026437-3
Oct 09, 2026440No prior observation