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Contract OI history

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Oct 30, 2026 EXPIRATION

WMB $75.00 Call

WMB261030C00075000

Latest saved OI2,987Oct 23, 2026
Last change+177vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WMB $75.00 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. 2,9871,4930 2026-10-02: 147 OI2026-10-05: 2,070 OI2026-10-06: 2,111 OI2026-10-07: 2,623 OI2026-10-08: 2,624 OI2026-10-09: 2,635 OI2026-10-12: 2,794 OI2026-10-14: 2,807 OI2026-10-15: 2,808 OI2026-10-16: 2,808 OI2026-10-21: 2,810 OI2026-10-23: 2,987 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, 20262,987+177
Oct 21, 2026Viewing2,810+2
Oct 16, 20262,8080
Oct 15, 20262,808+1
Oct 14, 20262,807+13
Oct 12, 20262,794+159
Oct 09, 20262,635+11
Oct 08, 20262,624+1
Oct 07, 20262,623+512
Oct 06, 20262,111+41
Oct 05, 20262,070+1,923
Oct 02, 2026147No prior observation