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Contract OI history

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Dec 18, 2026 EXPIRATION

M $22.00 Put

M261218P00022000

Latest saved OI749Oct 23, 2026
Last change+7vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
M $22.00 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. 7523760 2026-10-02: 687 OI2026-10-05: 710 OI2026-10-06: 728 OI2026-10-07: 729 OI2026-10-08: 729 OI2026-10-09: 734 OI2026-10-13: 752 OI2026-10-14: 752 OI2026-10-15: 746 OI2026-10-16: 744 OI2026-10-21: 742 OI2026-10-23: 749 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, 2026Viewing749+7
Oct 21, 2026742-2
Oct 16, 2026744-2
Oct 15, 2026746-6
Oct 14, 20267520
Oct 13, 2026752+18
Oct 09, 2026734+5
Oct 08, 20267290
Oct 07, 2026729+1
Oct 06, 2026728+18
Oct 05, 2026710+23
Oct 02, 2026687No prior observation