OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

M $12.00 Put

M261218P00012000

Latest saved OI723Oct 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 $12.00 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. 7233610 2026-10-02: 723 OI2026-10-05: 723 OI2026-10-06: 723 OI2026-10-07: 723 OI2026-10-08: 723 OI2026-10-09: 723 OI2026-10-13: 723 OI2026-10-14: 723 OI2026-10-15: 723 OI2026-10-16: 723 OI2026-10-21: 723 OI2026-10-23: 723 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, 2026Viewing7230
Oct 21, 20267230
Oct 16, 20267230
Oct 15, 20267230
Oct 14, 20267230
Oct 13, 20267230
Oct 09, 20267230
Oct 08, 20267230
Oct 07, 20267230
Oct 06, 20267230
Oct 05, 20267230
Oct 02, 2026723No prior observation