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Contract OI history

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Mar 19, 2027 EXPIRATION

WM $210.00 Call

WM270319C00210000

Latest saved OI113Oct 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 $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. 118590 2026-10-02: 88 OI2026-10-05: 88 OI2026-10-06: 90 OI2026-10-07: 90 OI2026-10-08: 90 OI2026-10-09: 90 OI2026-10-14: 106 OI2026-10-15: 118 OI2026-10-16: 116 OI2026-10-21: 116 OI2026-10-23: 113 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, 2026113-3
Oct 21, 2026Viewing1160
Oct 16, 2026116-2
Oct 15, 2026118+12
Oct 14, 2026106+16
Oct 09, 2026900
Oct 08, 2026900
Oct 07, 2026900
Oct 06, 202690+2
Oct 05, 2026880
Oct 02, 202688No prior observation