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Contract OI history

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Dec 18, 2026 EXPIRATION

WMB $75.00 Call

WMB261218C00075000

Latest saved OI4,854Oct 23, 2026
Last change+3,384vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WMB $75.00 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. 4,8542,4270 2026-10-02: 1,302 OI2026-10-05: 1,314 OI2026-10-06: 1,370 OI2026-10-07: 1,370 OI2026-10-08: 1,371 OI2026-10-09: 1,374 OI2026-10-12: 1,417 OI2026-10-14: 1,481 OI2026-10-15: 1,480 OI2026-10-16: 1,427 OI2026-10-21: 1,470 OI2026-10-23: 4,854 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, 20264,854+3,384
Oct 21, 2026Viewing1,470+43
Oct 16, 20261,427-53
Oct 15, 20261,480-1
Oct 14, 20261,481+64
Oct 12, 20261,417+43
Oct 09, 20261,374+3
Oct 08, 20261,371+1
Oct 07, 20261,3700
Oct 06, 20261,370+56
Oct 05, 20261,314+12
Oct 02, 20261,302No prior observation