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Contract OI history

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Oct 30, 2026 EXPIRATION

WMB $77.00 Call

WMB261030C00077000

Latest saved OI68Oct 23, 2026
Last change+30vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WMB $77.00 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. 68340 2026-10-02: 4 OI2026-10-05: 4 OI2026-10-06: 4 OI2026-10-07: 38 OI2026-10-08: 38 OI2026-10-09: 40 OI2026-10-12: 41 OI2026-10-14: 43 OI2026-10-15: 49 OI2026-10-16: 42 OI2026-10-21: 38 OI2026-10-23: 68 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, 2026Viewing68+30
Oct 21, 202638-4
Oct 16, 202642-7
Oct 15, 202649+6
Oct 14, 202643+2
Oct 12, 202641+1
Oct 09, 202640+2
Oct 08, 2026380
Oct 07, 202638+34
Oct 06, 202640
Oct 05, 202640
Oct 02, 20264No prior observation