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Contract OI history

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Oct 23, 2026 EXPIRATION

WMB $70.00 Put

WMB261023P00070000

Latest saved OI140Oct 23, 2026
Last change-41vs 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. 181900 2026-10-02: 17 OI2026-10-05: 17 OI2026-10-06: 17 OI2026-10-07: 25 OI2026-10-08: 40 OI2026-10-09: 40 OI2026-10-12: 89 OI2026-10-14: 88 OI2026-10-15: 109 OI2026-10-16: 110 OI2026-10-21: 181 OI2026-10-23: 140 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, 2026Viewing140-41
Oct 21, 2026181+71
Oct 16, 2026110+1
Oct 15, 2026109+21
Oct 14, 202688-1
Oct 12, 202689+49
Oct 09, 2026400
Oct 08, 202640+15
Oct 07, 202625+8
Oct 06, 2026170
Oct 05, 2026170
Oct 02, 202617No prior observation