OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

ZS $170.00 Call

ZS270115C00170000

Latest saved OI410Oct 23, 2026
Last change-5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $170.00 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. 4212100 2026-10-09: 421 OI2026-10-12: 420 OI2026-10-14: 417 OI2026-10-15: 414 OI2026-10-16: 414 OI2026-10-21: 415 OI2026-10-23: 410 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, 2026Viewing410-5
Oct 21, 2026415+1
Oct 16, 20264140
Oct 15, 2026414-3
Oct 14, 2026417-3
Oct 12, 2026420-1
Oct 09, 2026421No prior observation