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Contract OI history

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Jan 21, 2028 EXPIRATION

WMB $90.00 Call

WMB280121C00090000

Latest saved OI147Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WMB $90.00 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. 148740 2026-10-02: 119 OI2026-10-05: 121 OI2026-10-06: 121 OI2026-10-07: 121 OI2026-10-08: 121 OI2026-10-09: 121 OI2026-10-12: 121 OI2026-10-14: 147 OI2026-10-15: 147 OI2026-10-16: 147 OI2026-10-21: 148 OI2026-10-23: 147 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, 2026Viewing147-1
Oct 21, 2026148+1
Oct 16, 20261470
Oct 15, 20261470
Oct 14, 2026147+26
Oct 12, 20261210
Oct 09, 20261210
Oct 08, 20261210
Oct 07, 20261210
Oct 06, 20261210
Oct 05, 2026121+2
Oct 02, 2026119No prior observation