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Contract OI history

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Jan 15, 2027 EXPIRATION

WMB $80.00 Call

WMB270115C00080000

Latest saved OI4,374Oct 23, 2026
Last change+417vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WMB $80.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4,3742,1870 2026-10-02: 3,942 OI2026-10-05: 3,924 OI2026-10-06: 3,930 OI2026-10-07: 3,916 OI2026-10-08: 3,916 OI2026-10-09: 3,892 OI2026-10-12: 3,904 OI2026-10-14: 3,904 OI2026-10-15: 3,904 OI2026-10-16: 3,904 OI2026-10-21: 3,957 OI2026-10-23: 4,374 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

WMB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20264,374+417
Oct 21, 2026Viewing3,957+53
Oct 16, 20263,9040
Oct 15, 20263,9040
Oct 14, 20263,9040
Oct 12, 20263,904+12
Oct 09, 20263,892-24
Oct 08, 20263,9160
Oct 07, 20263,916-14
Oct 06, 20263,930+6
Oct 05, 20263,924-18
Oct 02, 20263,942No prior observation