OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

ON $65.00 Put

ON261030P00065000

Latest saved OI272Oct 23, 2026
Last change+36vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ON $65.00 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. 2721360 2026-10-09: 83 OI2026-10-13: 94 OI2026-10-14: 94 OI2026-10-15: 98 OI2026-10-16: 129 OI2026-10-21: 236 OI2026-10-23: 272 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, 2026Viewing272+36
Oct 21, 2026236+107
Oct 16, 2026129+31
Oct 15, 202698+4
Oct 14, 2026940
Oct 13, 202694+11
Oct 09, 202683No prior observation