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Contract OI history

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Nov 20, 2026 EXPIRATION

WM $210.00 Call

WM261120C00210000

Latest saved OI342Oct 23, 2026
Last change-2vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WM $210.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3651820 2026-10-02: 60 OI2026-10-05: 100 OI2026-10-06: 259 OI2026-10-07: 306 OI2026-10-08: 306 OI2026-10-09: 343 OI2026-10-14: 347 OI2026-10-15: 365 OI2026-10-16: 352 OI2026-10-21: 344 OI2026-10-23: 342 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

WM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing342-2
Oct 21, 2026344-8
Oct 16, 2026352-13
Oct 15, 2026365+18
Oct 14, 2026347+4
Oct 09, 2026343+37
Oct 08, 20263060
Oct 07, 2026306+47
Oct 06, 2026259+159
Oct 05, 2026100+40
Oct 02, 202660No prior observation