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Contract OI history

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Jan 21, 2028 EXPIRATION

WMB $70.00 Call

WMB280121C00070000

Latest saved OI1,002Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WMB $70.00 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. 1,0045020 2026-10-02: 1,004 OI2026-10-05: 1,004 OI2026-10-06: 1,004 OI2026-10-07: 1,004 OI2026-10-08: 1,004 OI2026-10-09: 1,003 OI2026-10-12: 1,003 OI2026-10-14: 1,003 OI2026-10-15: 1,003 OI2026-10-16: 1,003 OI2026-10-21: 1,002 OI2026-10-23: 1,002 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, 20261,0020
Oct 21, 2026Viewing1,002-1
Oct 16, 20261,0030
Oct 15, 20261,0030
Oct 14, 20261,0030
Oct 12, 20261,0030
Oct 09, 20261,003-1
Oct 08, 20261,0040
Oct 07, 20261,0040
Oct 06, 20261,0040
Oct 05, 20261,0040
Oct 02, 20261,004No prior observation