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Contract OI history

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Oct 30, 2026 EXPIRATION

WMB $73.00 Put

WMB261030P00073000

Latest saved OI44Oct 23, 2026
Last change+33vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WMB $73.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 44220 2026-10-02: 1 OI2026-10-05: 1 OI2026-10-06: 1 OI2026-10-07: 7 OI2026-10-08: 7 OI2026-10-09: 7 OI2026-10-12: 10 OI2026-10-14: 11 OI2026-10-15: 11 OI2026-10-16: 11 OI2026-10-21: 11 OI2026-10-23: 44 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, 202644+33
Oct 21, 2026Viewing110
Oct 16, 2026110
Oct 15, 2026110
Oct 14, 202611+1
Oct 12, 202610+3
Oct 09, 202670
Oct 08, 202670
Oct 07, 20267+6
Oct 06, 202610
Oct 05, 202610
Oct 02, 20261No prior observation