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Contract OI history

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Dec 18, 2026 EXPIRATION

M $21.00 Call

M261218C00021000

Latest saved OI40Oct 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 $21.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 54270 2026-10-02: 46 OI2026-10-05: 46 OI2026-10-06: 46 OI2026-10-07: 53 OI2026-10-08: 53 OI2026-10-09: 54 OI2026-10-13: 53 OI2026-10-14: 53 OI2026-10-15: 44 OI2026-10-16: 40 OI2026-10-21: 40 OI2026-10-23: 40 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, 2026Viewing400
Oct 21, 2026400
Oct 16, 202640-4
Oct 15, 202644-9
Oct 14, 2026530
Oct 13, 202653-1
Oct 09, 202654+1
Oct 08, 2026530
Oct 07, 202653+7
Oct 06, 2026460
Oct 05, 2026460
Oct 02, 202646No prior observation