OITracker Cboe delayed data

Contract OI history

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Nov 06, 2026 EXPIRATION

M $22.50 Put

M261106P00022500

Latest saved OI44Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
M $22.50 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. 44220 2026-10-02: 1 OI2026-10-05: 3 OI2026-10-06: 9 OI2026-10-07: 16 OI2026-10-08: 16 OI2026-10-09: 21 OI2026-10-13: 34 OI2026-10-14: 34 OI2026-10-15: 40 OI2026-10-16: 42 OI2026-10-21: 44 OI2026-10-23: 44 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, 2026Viewing440
Oct 21, 202644+2
Oct 16, 202642+2
Oct 15, 202640+6
Oct 14, 2026340
Oct 13, 202634+13
Oct 09, 202621+5
Oct 08, 2026160
Oct 07, 202616+7
Oct 06, 20269+6
Oct 05, 20263+2
Oct 02, 20261No prior observation