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Contract OI history

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Jan 21, 2028 EXPIRATION

WMB $80.00 Call

WMB280121C00080000

Latest saved OI989Oct 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 $80.00 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. 9904950 2026-10-02: 959 OI2026-10-05: 959 OI2026-10-06: 959 OI2026-10-07: 959 OI2026-10-08: 959 OI2026-10-09: 959 OI2026-10-12: 959 OI2026-10-14: 959 OI2026-10-15: 959 OI2026-10-16: 959 OI2026-10-21: 990 OI2026-10-23: 989 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, 2026989-1
Oct 21, 2026Viewing990+31
Oct 16, 20269590
Oct 15, 20269590
Oct 14, 20269590
Oct 12, 20269590
Oct 09, 20269590
Oct 08, 20269590
Oct 07, 20269590
Oct 06, 20269590
Oct 05, 20269590
Oct 02, 2026959No prior observation