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Contract OI history

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Oct 23, 2026 EXPIRATION

WMB $77.00 Call

WMB261023C00077000

Latest saved OI190Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WMB $77.00 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. 196980 2026-10-02: 10 OI2026-10-05: 10 OI2026-10-06: 12 OI2026-10-07: 12 OI2026-10-08: 13 OI2026-10-09: 13 OI2026-10-12: 190 OI2026-10-14: 196 OI2026-10-15: 196 OI2026-10-16: 193 OI2026-10-21: 191 OI2026-10-23: 190 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, 2026190-1
Oct 21, 2026Viewing191-2
Oct 16, 2026193-3
Oct 15, 20261960
Oct 14, 2026196+6
Oct 12, 2026190+177
Oct 09, 2026130
Oct 08, 202613+1
Oct 07, 2026120
Oct 06, 202612+2
Oct 05, 2026100
Oct 02, 202610No prior observation