OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

ON $75.00 Call

ON261030C00075000

Latest saved OI500Oct 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
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. 5082540 2026-10-09: 481 OI2026-10-13: 485 OI2026-10-14: 485 OI2026-10-15: 502 OI2026-10-16: 508 OI2026-10-21: 501 OI2026-10-23: 500 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, 2026Viewing500-1
Oct 21, 2026501-7
Oct 16, 2026508+6
Oct 15, 2026502+17
Oct 14, 20264850
Oct 13, 2026485+4
Oct 09, 2026481No prior observation