OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

M $23.00 Put

M270115P00023000

Latest saved OI903Oct 23, 2026
Last change+46vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
M $23.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 9034510 2026-10-02: 350 OI2026-10-05: 342 OI2026-10-06: 342 OI2026-10-07: 342 OI2026-10-08: 342 OI2026-10-09: 342 OI2026-10-13: 274 OI2026-10-14: 274 OI2026-10-15: 447 OI2026-10-16: 586 OI2026-10-21: 857 OI2026-10-23: 903 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

M contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing903+46
Oct 21, 2026857+271
Oct 16, 2026586+139
Oct 15, 2026447+173
Oct 14, 20262740
Oct 13, 2026274-68
Oct 09, 20263420
Oct 08, 20263420
Oct 07, 20263420
Oct 06, 20263420
Oct 05, 2026342-8
Oct 02, 2026350No prior observation