OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

M $24.00 Put

M261218P00024000

Latest saved OI449Oct 23, 2026
Last change+33vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
M $24.00 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. 4492240 2026-10-02: 396 OI2026-10-05: 396 OI2026-10-06: 396 OI2026-10-07: 401 OI2026-10-08: 401 OI2026-10-09: 401 OI2026-10-13: 404 OI2026-10-14: 404 OI2026-10-15: 404 OI2026-10-16: 411 OI2026-10-21: 416 OI2026-10-23: 449 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, 2026Viewing449+33
Oct 21, 2026416+5
Oct 16, 2026411+7
Oct 15, 20264040
Oct 14, 20264040
Oct 13, 2026404+3
Oct 09, 20264010
Oct 08, 20264010
Oct 07, 2026401+5
Oct 06, 20263960
Oct 05, 20263960
Oct 02, 2026396No prior observation