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Contract OI history

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Nov 20, 2026 EXPIRATION

WMB $75.00 Call

WMB261120C00075000

Latest saved OI42,176Oct 23, 2026
Last change+130vs 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. 42,17621,0880 2026-10-02: 3,369 OI2026-10-05: 3,774 OI2026-10-06: 3,780 OI2026-10-07: 3,858 OI2026-10-08: 7,211 OI2026-10-09: 7,239 OI2026-10-12: 41,537 OI2026-10-14: 39,094 OI2026-10-15: 39,327 OI2026-10-16: 39,463 OI2026-10-21: 42,046 OI2026-10-23: 42,176 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, 202642,176+130
Oct 21, 2026Viewing42,046+2,583
Oct 16, 202639,463+136
Oct 15, 202639,327+233
Oct 14, 202639,094-2,443
Oct 12, 202641,537+34,298
Oct 09, 20267,239+28
Oct 08, 20267,211+3,353
Oct 07, 20263,858+78
Oct 06, 20263,780+6
Oct 05, 20263,774+405
Oct 02, 20263,369No prior observation