OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

WMB $90.00 Put

WMB280121P00090000

Latest saved OI36Oct 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 $90.00 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. 36180 2026-10-02: 36 OI2026-10-05: 36 OI2026-10-06: 36 OI2026-10-07: 36 OI2026-10-08: 36 OI2026-10-09: 36 OI2026-10-12: 36 OI2026-10-14: 36 OI2026-10-15: 36 OI2026-10-16: 36 OI2026-10-21: 36 OI2026-10-23: 36 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, 2026360
Oct 21, 2026Viewing360
Oct 16, 2026360
Oct 15, 2026360
Oct 14, 2026360
Oct 12, 2026360
Oct 09, 2026360
Oct 08, 2026360
Oct 07, 2026360
Oct 06, 2026360
Oct 05, 2026360
Oct 02, 202636No prior observation