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Contract OI history

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Jan 15, 2027 EXPIRATION

WMB $50.00 Put

WMB270115P00050000

Latest saved OI892Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WMB $50.00 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. 8924460 2026-10-02: 891 OI2026-10-05: 891 OI2026-10-06: 891 OI2026-10-07: 891 OI2026-10-08: 891 OI2026-10-09: 891 OI2026-10-12: 891 OI2026-10-14: 891 OI2026-10-15: 892 OI2026-10-16: 892 OI2026-10-21: 892 OI2026-10-23: 892 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, 20268920
Oct 21, 2026Viewing8920
Oct 16, 20268920
Oct 15, 2026892+1
Oct 14, 20268910
Oct 12, 20268910
Oct 09, 20268910
Oct 08, 20268910
Oct 07, 20268910
Oct 06, 20268910
Oct 05, 20268910
Oct 02, 2026891No prior observation