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Contract OI history

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Nov 06, 2026 EXPIRATION

WMB $64.00 Put

WMB261106P00064000

Latest saved OI9,255Oct 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. 9,2554,6270 2026-10-02: 14 OI2026-10-05: 14 OI2026-10-06: 9,007 OI2026-10-07: 9,005 OI2026-10-08: 9,005 OI2026-10-09: 9,005 OI2026-10-12: 9,005 OI2026-10-14: 9,005 OI2026-10-15: 9,005 OI2026-10-16: 9,005 OI2026-10-21: 9,255 OI2026-10-23: 9,255 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, 20269,2550
Oct 21, 2026Viewing9,255+250
Oct 16, 20269,0050
Oct 15, 20269,0050
Oct 14, 20269,0050
Oct 12, 20269,0050
Oct 09, 20269,0050
Oct 08, 20269,0050
Oct 07, 20269,005-2
Oct 06, 20269,007+8,993
Oct 05, 2026140
Oct 02, 202614No prior observation