OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

ZS $200.00 Call

ZS280121C00200000

Latest saved OI714Oct 23, 2026
Last change-1vs 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. 7493740 2026-10-09: 749 OI2026-10-12: 732 OI2026-10-14: 728 OI2026-10-15: 726 OI2026-10-16: 722 OI2026-10-21: 715 OI2026-10-23: 714 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, 2026Viewing714-1
Oct 21, 2026715-7
Oct 16, 2026722-4
Oct 15, 2026726-2
Oct 14, 2026728-4
Oct 12, 2026732-17
Oct 09, 2026749No prior observation