OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

ON $75.00 Call

ON261218C00075000

Latest saved OI980Oct 23, 2026
Last change+41vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ON $75.00 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. 9804900 2026-10-09: 840 OI2026-10-13: 847 OI2026-10-14: 847 OI2026-10-15: 882 OI2026-10-16: 880 OI2026-10-21: 939 OI2026-10-23: 980 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, 2026Viewing980+41
Oct 21, 2026939+59
Oct 16, 2026880-2
Oct 15, 2026882+35
Oct 14, 20268470
Oct 13, 2026847+7
Oct 09, 2026840No prior observation