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Contract OI history

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Jan 15, 2027 EXPIRATION

WMB $70.00 Put

WMB270115P00070000

Latest saved OI1,863Oct 23, 2026
Last change+607vs 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. 1,8639310 2026-10-02: 867 OI2026-10-05: 864 OI2026-10-06: 887 OI2026-10-07: 888 OI2026-10-08: 887 OI2026-10-09: 887 OI2026-10-12: 887 OI2026-10-14: 935 OI2026-10-15: 935 OI2026-10-16: 1,249 OI2026-10-21: 1,256 OI2026-10-23: 1,863 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, 20261,863+607
Oct 21, 2026Viewing1,256+7
Oct 16, 20261,249+314
Oct 15, 20269350
Oct 14, 2026935+48
Oct 12, 20268870
Oct 09, 20268870
Oct 08, 2026887-1
Oct 07, 2026888+1
Oct 06, 2026887+23
Oct 05, 2026864-3
Oct 02, 2026867No prior observation