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Contract OI history

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Mar 19, 2027 EXPIRATION

WM $230.00 Call

WM270319C00230000

Latest saved OI497Oct 23, 2026
Last change-22vs 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. 5192590 2026-10-02: 457 OI2026-10-05: 456 OI2026-10-06: 461 OI2026-10-07: 462 OI2026-10-08: 462 OI2026-10-09: 493 OI2026-10-14: 495 OI2026-10-15: 493 OI2026-10-16: 499 OI2026-10-21: 519 OI2026-10-23: 497 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, 2026497-22
Oct 21, 2026Viewing519+20
Oct 16, 2026499+6
Oct 15, 2026493-2
Oct 14, 2026495+2
Oct 09, 2026493+31
Oct 08, 20264620
Oct 07, 2026462+1
Oct 06, 2026461+5
Oct 05, 2026456-1
Oct 02, 2026457No prior observation