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Contract OI history

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Oct 30, 2026 EXPIRATION

WMB $65.00 Call

WMB261030C00065000

Latest saved OI57Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WMB $65.00 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. 57280 2026-10-02: 53 OI2026-10-05: 53 OI2026-10-06: 54 OI2026-10-07: 54 OI2026-10-08: 54 OI2026-10-09: 54 OI2026-10-12: 54 OI2026-10-14: 54 OI2026-10-15: 54 OI2026-10-16: 54 OI2026-10-21: 54 OI2026-10-23: 57 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, 202657+3
Oct 21, 2026Viewing540
Oct 16, 2026540
Oct 15, 2026540
Oct 14, 2026540
Oct 12, 2026540
Oct 09, 2026540
Oct 08, 2026540
Oct 07, 2026540
Oct 06, 202654+1
Oct 05, 2026530
Oct 02, 202653No prior observation