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Contract OI history

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Oct 30, 2026 EXPIRATION

WMB $64.00 Put

WMB261030P00064000

Latest saved OI7,121Oct 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 $64.00 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. 7,1233,5610 2026-10-02: 7,123 OI2026-10-05: 7,122 OI2026-10-06: 7,122 OI2026-10-07: 7,122 OI2026-10-08: 7,122 OI2026-10-09: 7,121 OI2026-10-12: 7,121 OI2026-10-14: 7,121 OI2026-10-15: 7,121 OI2026-10-16: 7,121 OI2026-10-21: 7,121 OI2026-10-23: 7,121 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, 20267,1210
Oct 21, 2026Viewing7,1210
Oct 16, 20267,1210
Oct 15, 20267,1210
Oct 14, 20267,1210
Oct 12, 20267,1210
Oct 09, 20267,121-1
Oct 08, 20267,1220
Oct 07, 20267,1220
Oct 06, 20267,1220
Oct 05, 20267,122-1
Oct 02, 20267,123No prior observation