OITracker Cboe delayed data

Contract OI history

Back to WMB

Nov 20, 2026 EXPIRATION

WMB $85.00 Call

WMB261120C00085000

Latest saved OI39,217Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WMB $85.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 39,56119,7800 2026-10-02: 2,070 OI2026-10-05: 2,070 OI2026-10-06: 2,070 OI2026-10-07: 2,070 OI2026-10-08: 2,045 OI2026-10-09: 2,052 OI2026-10-12: 39,561 OI2026-10-14: 39,284 OI2026-10-15: 39,216 OI2026-10-16: 39,214 OI2026-10-21: 39,215 OI2026-10-23: 39,217 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, 2026Viewing39,217+2
Oct 21, 202639,215+1
Oct 16, 202639,214-2
Oct 15, 202639,216-68
Oct 14, 202639,284-277
Oct 12, 202639,561+37,509
Oct 09, 20262,052+7
Oct 08, 20262,045-25
Oct 07, 20262,0700
Oct 06, 20262,0700
Oct 05, 20262,0700
Oct 02, 20262,070No prior observation