OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

ON $80.00 Put

ON261023P00080000

Latest saved OI512Oct 23, 2026
Last change-11vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ON $80.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 5332660 2026-10-09: 531 OI2026-10-13: 533 OI2026-10-14: 533 OI2026-10-15: 533 OI2026-10-16: 533 OI2026-10-21: 523 OI2026-10-23: 512 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, 2026Viewing512-11
Oct 21, 2026523-10
Oct 16, 20265330
Oct 15, 20265330
Oct 14, 20265330
Oct 13, 2026533+2
Oct 09, 2026531No prior observation