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Contract OI history

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Nov 20, 2026 EXPIRATION

WM $230.00 Call

WM261120C00230000

Latest saved OI859Oct 23, 2026
Last change+24vs 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. 8594290 2026-10-02: 296 OI2026-10-05: 313 OI2026-10-06: 327 OI2026-10-07: 350 OI2026-10-08: 350 OI2026-10-09: 371 OI2026-10-14: 386 OI2026-10-15: 449 OI2026-10-16: 602 OI2026-10-21: 835 OI2026-10-23: 859 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, 2026Viewing859+24
Oct 21, 2026835+233
Oct 16, 2026602+153
Oct 15, 2026449+63
Oct 14, 2026386+15
Oct 09, 2026371+21
Oct 08, 20263500
Oct 07, 2026350+23
Oct 06, 2026327+14
Oct 05, 2026313+17
Oct 02, 2026296No prior observation