OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

M $23.00 Put

M261120P00023000

Latest saved OI271Oct 23, 2026
Last change+11vs 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. 3221610 2026-10-02: 284 OI2026-10-05: 306 OI2026-10-06: 308 OI2026-10-07: 307 OI2026-10-08: 307 OI2026-10-09: 307 OI2026-10-13: 310 OI2026-10-14: 310 OI2026-10-15: 321 OI2026-10-16: 322 OI2026-10-21: 260 OI2026-10-23: 271 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, 2026Viewing271+11
Oct 21, 2026260-62
Oct 16, 2026322+1
Oct 15, 2026321+11
Oct 14, 20263100
Oct 13, 2026310+3
Oct 09, 20263070
Oct 08, 20263070
Oct 07, 2026307-1
Oct 06, 2026308+2
Oct 05, 2026306+22
Oct 02, 2026284No prior observation