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Contract OI history

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Dec 18, 2026 EXPIRATION

M $18.00 Put

M261218P00018000

Latest saved OI118Oct 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 $18.00 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. 118590 2026-10-02: 60 OI2026-10-05: 60 OI2026-10-06: 93 OI2026-10-07: 93 OI2026-10-08: 93 OI2026-10-09: 94 OI2026-10-13: 94 OI2026-10-14: 94 OI2026-10-15: 94 OI2026-10-16: 95 OI2026-10-21: 118 OI2026-10-23: 118 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, 2026Viewing1180
Oct 21, 2026118+23
Oct 16, 202695+1
Oct 15, 2026940
Oct 14, 2026940
Oct 13, 2026940
Oct 09, 202694+1
Oct 08, 2026930
Oct 07, 2026930
Oct 06, 202693+33
Oct 05, 2026600
Oct 02, 202660No prior observation