OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

ON $85.00 Call

ON261030C00085000

Latest saved OI309Oct 23, 2026
Last change+17vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ON $85.00 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. 3091540 2026-10-09: 256 OI2026-10-13: 255 OI2026-10-14: 255 OI2026-10-15: 255 OI2026-10-16: 256 OI2026-10-21: 292 OI2026-10-23: 309 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, 2026Viewing309+17
Oct 21, 2026292+36
Oct 16, 2026256+1
Oct 15, 20262550
Oct 14, 20262550
Oct 13, 2026255-1
Oct 09, 2026256No prior observation