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Contract OI history

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Dec 18, 2026 EXPIRATION

WMB $70.00 Call

WMB261218C00070000

Latest saved OI759Oct 23, 2026
Last change+24vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WMB $70.00 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. 7593790 2026-10-02: 622 OI2026-10-05: 625 OI2026-10-06: 625 OI2026-10-07: 628 OI2026-10-08: 656 OI2026-10-09: 657 OI2026-10-12: 657 OI2026-10-14: 658 OI2026-10-15: 677 OI2026-10-16: 716 OI2026-10-21: 735 OI2026-10-23: 759 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, 2026Viewing759+24
Oct 21, 2026735+19
Oct 16, 2026716+39
Oct 15, 2026677+19
Oct 14, 2026658+1
Oct 12, 20266570
Oct 09, 2026657+1
Oct 08, 2026656+28
Oct 07, 2026628+3
Oct 06, 20266250
Oct 05, 2026625+3
Oct 02, 2026622No prior observation