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Contract OI history

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Nov 27, 2026 EXPIRATION

WMB $73.00 Put

WMB261127P00073000

Latest saved OI2Oct 23, 2026
Last change0vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
WMB $73.00 put open interest history 8 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 210 2026-10-08: 0 OI2026-10-09: 0 OI2026-10-12: 0 OI2026-10-14: 0 OI2026-10-15: 0 OI2026-10-16: 2 OI2026-10-21: 2 OI2026-10-23: 2 OI Oct 08, 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, 202620
Oct 21, 2026Viewing20
Oct 16, 20262+2
Oct 15, 202600
Oct 14, 202600
Oct 12, 202600
Oct 09, 202600
Oct 08, 20260No prior observation