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Contract OI history

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Oct 23, 2026 EXPIRATION

WMB $65.00 Put

WMB261023P00065000

Latest saved OI833Oct 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 $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. 8374180 2026-10-02: 62 OI2026-10-05: 62 OI2026-10-06: 262 OI2026-10-07: 837 OI2026-10-08: 837 OI2026-10-09: 837 OI2026-10-12: 837 OI2026-10-14: 837 OI2026-10-15: 835 OI2026-10-16: 835 OI2026-10-21: 833 OI2026-10-23: 833 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, 20268330
Oct 21, 2026Viewing833-2
Oct 16, 20268350
Oct 15, 2026835-2
Oct 14, 20268370
Oct 12, 20268370
Oct 09, 20268370
Oct 08, 20268370
Oct 07, 2026837+575
Oct 06, 2026262+200
Oct 05, 2026620
Oct 02, 202662No prior observation