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Contract OI history

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Dec 18, 2026 EXPIRATION

WMB $70.00 Put

WMB261218P00070000

Latest saved OI1,650Oct 23, 2026
Last change+44vs 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. 2,1761,0880 2026-10-02: 1,632 OI2026-10-05: 1,629 OI2026-10-06: 1,654 OI2026-10-07: 1,658 OI2026-10-08: 1,667 OI2026-10-09: 1,673 OI2026-10-12: 1,647 OI2026-10-14: 2,172 OI2026-10-15: 2,176 OI2026-10-16: 2,171 OI2026-10-21: 1,606 OI2026-10-23: 1,650 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, 2026Viewing1,650+44
Oct 21, 20261,606-565
Oct 16, 20262,171-5
Oct 15, 20262,176+4
Oct 14, 20262,172+525
Oct 12, 20261,647-26
Oct 09, 20261,673+6
Oct 08, 20261,667+9
Oct 07, 20261,658+4
Oct 06, 20261,654+25
Oct 05, 20261,629-3
Oct 02, 20261,632No prior observation