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Contract OI history

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Jan 15, 2027 EXPIRATION

WMB $70.00 Call

WMB270115C00070000

Latest saved OI1,834Oct 23, 2026
Last change+2vs 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. 1,8449220 2026-10-02: 1,709 OI2026-10-05: 1,709 OI2026-10-06: 1,786 OI2026-10-07: 1,808 OI2026-10-08: 1,808 OI2026-10-09: 1,808 OI2026-10-12: 1,768 OI2026-10-14: 1,778 OI2026-10-15: 1,779 OI2026-10-16: 1,844 OI2026-10-21: 1,832 OI2026-10-23: 1,834 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, 20261,834+2
Oct 21, 2026Viewing1,832-12
Oct 16, 20261,844+65
Oct 15, 20261,779+1
Oct 14, 20261,778+10
Oct 12, 20261,768-40
Oct 09, 20261,8080
Oct 08, 20261,8080
Oct 07, 20261,808+22
Oct 06, 20261,786+77
Oct 05, 20261,7090
Oct 02, 20261,709No prior observation