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Contract OI history

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Oct 30, 2026 EXPIRATION

WMB $67.00 Put

WMB261030P00067000

Latest saved OI888Oct 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 $67.00 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. 9034510 2026-10-02: 401 OI2026-10-05: 392 OI2026-10-06: 393 OI2026-10-07: 903 OI2026-10-08: 891 OI2026-10-09: 891 OI2026-10-12: 891 OI2026-10-14: 888 OI2026-10-15: 888 OI2026-10-16: 887 OI2026-10-21: 890 OI2026-10-23: 888 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, 2026Viewing888-2
Oct 21, 2026890+3
Oct 16, 2026887-1
Oct 15, 20268880
Oct 14, 2026888-3
Oct 12, 20268910
Oct 09, 20268910
Oct 08, 2026891-12
Oct 07, 2026903+510
Oct 06, 2026393+1
Oct 05, 2026392-9
Oct 02, 2026401No prior observation