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Contract OI history

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Dec 18, 2026 EXPIRATION

WMB $85.00 Call

WMB261218C00085000

Latest saved OI1,781Oct 23, 2026
Last change+18vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WMB $85.00 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. 1,7818900 2026-10-02: 1,696 OI2026-10-05: 1,696 OI2026-10-06: 1,708 OI2026-10-07: 1,720 OI2026-10-08: 1,720 OI2026-10-09: 1,741 OI2026-10-12: 1,741 OI2026-10-14: 1,759 OI2026-10-15: 1,762 OI2026-10-16: 1,762 OI2026-10-21: 1,763 OI2026-10-23: 1,781 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, 2026Viewing1,781+18
Oct 21, 20261,763+1
Oct 16, 20261,7620
Oct 15, 20261,762+3
Oct 14, 20261,759+18
Oct 12, 20261,7410
Oct 09, 20261,741+21
Oct 08, 20261,7200
Oct 07, 20261,720+12
Oct 06, 20261,708+12
Oct 05, 20261,6960
Oct 02, 20261,696No prior observation