OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

ZS $200.00 Call

ZS261030C00200000

Latest saved OI198Oct 23, 2026
Last change-11vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $200.00 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. 2101050 2026-10-09: 210 OI2026-10-12: 209 OI2026-10-14: 210 OI2026-10-15: 210 OI2026-10-16: 209 OI2026-10-21: 209 OI2026-10-23: 198 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, 2026198-11
Oct 21, 2026Viewing2090
Oct 16, 2026209-1
Oct 15, 20262100
Oct 14, 2026210+1
Oct 12, 2026209-1
Oct 09, 2026210No prior observation