OITracker Cboe delayed data

Contract OI history

Back to WMB

Jun 17, 2027 EXPIRATION

WMB $70.00 Put

WMB270617P00070000

Latest saved OI530Oct 23, 2026
Last change+6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WMB $70.00 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. 5302650 2026-10-02: 521 OI2026-10-05: 521 OI2026-10-06: 521 OI2026-10-07: 526 OI2026-10-08: 526 OI2026-10-09: 526 OI2026-10-12: 526 OI2026-10-14: 524 OI2026-10-15: 522 OI2026-10-16: 522 OI2026-10-21: 524 OI2026-10-23: 530 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, 2026530+6
Oct 21, 2026Viewing524+2
Oct 16, 20265220
Oct 15, 2026522-2
Oct 14, 2026524-2
Oct 12, 20265260
Oct 09, 20265260
Oct 08, 20265260
Oct 07, 2026526+5
Oct 06, 20265210
Oct 05, 20265210
Oct 02, 2026521No prior observation