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Contract OI history

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Jan 15, 2027 EXPIRATION

WMB $65.00 Put

WMB270115P00065000

Latest saved OI5,862Oct 23, 2026
Last change-96vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WMB $65.00 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. 5,9582,9790 2026-10-02: 5,914 OI2026-10-05: 5,916 OI2026-10-06: 5,916 OI2026-10-07: 5,916 OI2026-10-08: 5,916 OI2026-10-09: 5,919 OI2026-10-12: 5,919 OI2026-10-14: 5,938 OI2026-10-15: 5,938 OI2026-10-16: 5,956 OI2026-10-21: 5,958 OI2026-10-23: 5,862 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, 20265,862-96
Oct 21, 2026Viewing5,958+2
Oct 16, 20265,956+18
Oct 15, 20265,9380
Oct 14, 20265,938+19
Oct 12, 20265,9190
Oct 09, 20265,919+3
Oct 08, 20265,9160
Oct 07, 20265,9160
Oct 06, 20265,9160
Oct 05, 20265,916+2
Oct 02, 20265,914No prior observation