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Contract OI history

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Nov 13, 2026 EXPIRATION

WMB $64.00 Put

WMB261113P00064000

Latest saved OI8,001Oct 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. 8,0014,0000 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 0 OI2026-10-07: 8,000 OI2026-10-08: 8,000 OI2026-10-09: 8,000 OI2026-10-12: 8,000 OI2026-10-14: 8,000 OI2026-10-15: 8,000 OI2026-10-16: 8,000 OI2026-10-21: 8,001 OI2026-10-23: 8,001 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, 2026Viewing8,0010
Oct 21, 20268,001+1
Oct 16, 20268,0000
Oct 15, 20268,0000
Oct 14, 20268,0000
Oct 12, 20268,0000
Oct 09, 20268,0000
Oct 08, 20268,0000
Oct 07, 20268,000+8,000
Oct 06, 202600
Oct 05, 202600
Oct 02, 20260No prior observation