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Contract OI history

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Jan 15, 2027 EXPIRATION

WMB $75.00 Call

WMB270115C00075000

Latest saved OI5,733Oct 23, 2026
Last change+1,345vs 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. 5,7332,8660 2026-10-02: 4,308 OI2026-10-05: 4,302 OI2026-10-06: 4,332 OI2026-10-07: 4,332 OI2026-10-08: 4,332 OI2026-10-09: 4,332 OI2026-10-12: 4,358 OI2026-10-14: 4,369 OI2026-10-15: 4,369 OI2026-10-16: 4,380 OI2026-10-21: 4,388 OI2026-10-23: 5,733 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, 20265,733+1,345
Oct 21, 2026Viewing4,388+8
Oct 16, 20264,380+11
Oct 15, 20264,3690
Oct 14, 20264,369+11
Oct 12, 20264,358+26
Oct 09, 20264,3320
Oct 08, 20264,3320
Oct 07, 20264,3320
Oct 06, 20264,332+30
Oct 05, 20264,302-6
Oct 02, 20264,308No prior observation