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Contract OI history

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Jan 15, 2027 EXPIRATION

WM $200.00 Call

WM270115C00200000

Latest saved OI92Oct 23, 2026
Last change-6vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WM $200.00 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. 121600 2026-10-02: 110 OI2026-10-05: 115 OI2026-10-06: 120 OI2026-10-07: 115 OI2026-10-08: 115 OI2026-10-09: 121 OI2026-10-14: 121 OI2026-10-15: 115 OI2026-10-16: 101 OI2026-10-21: 98 OI2026-10-23: 92 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, 202692-6
Oct 21, 2026Viewing98-3
Oct 16, 2026101-14
Oct 15, 2026115-6
Oct 14, 20261210
Oct 09, 2026121+6
Oct 08, 20261150
Oct 07, 2026115-5
Oct 06, 2026120+5
Oct 05, 2026115+5
Oct 02, 2026110No prior observation