OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

ON $81.00 Call

ON261030C00081000

Latest saved OI537Oct 23, 2026
Last change+66vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ON $81.00 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. 5372680 2026-10-09: 456 OI2026-10-13: 466 OI2026-10-14: 466 OI2026-10-15: 466 OI2026-10-16: 466 OI2026-10-21: 471 OI2026-10-23: 537 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ON contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing537+66
Oct 21, 2026471+5
Oct 16, 20264660
Oct 15, 20264660
Oct 14, 20264660
Oct 13, 2026466+10
Oct 09, 2026456No prior observation