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Contract OI history

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Jun 17, 2027 EXPIRATION

WM $230.00 Call

WM270617C00230000

Latest saved OI148Oct 23, 2026
Last change+3vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WM $230.00 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. 149740 2026-10-02: 110 OI2026-10-05: 146 OI2026-10-06: 146 OI2026-10-07: 146 OI2026-10-08: 146 OI2026-10-09: 146 OI2026-10-14: 147 OI2026-10-15: 149 OI2026-10-16: 148 OI2026-10-21: 145 OI2026-10-23: 148 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, 2026Viewing148+3
Oct 21, 2026145-3
Oct 16, 2026148-1
Oct 15, 2026149+2
Oct 14, 2026147+1
Oct 09, 20261460
Oct 08, 20261460
Oct 07, 20261460
Oct 06, 20261460
Oct 05, 2026146+36
Oct 02, 2026110No prior observation