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Contract OI history

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Jan 15, 2027 EXPIRATION

WM $260.00 Call

WM270115C00260000

Latest saved OI961Oct 23, 2026
Last change-1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WM $260.00 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. 9864930 2026-10-02: 942 OI2026-10-05: 942 OI2026-10-06: 986 OI2026-10-07: 976 OI2026-10-08: 976 OI2026-10-09: 965 OI2026-10-14: 965 OI2026-10-15: 966 OI2026-10-16: 966 OI2026-10-21: 962 OI2026-10-23: 961 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, 2026961-1
Oct 21, 2026Viewing962-4
Oct 16, 20269660
Oct 15, 2026966+1
Oct 14, 20269650
Oct 09, 2026965-11
Oct 08, 20269760
Oct 07, 2026976-10
Oct 06, 2026986+44
Oct 05, 20269420
Oct 02, 2026942No prior observation