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Contract OI history

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Dec 18, 2026 EXPIRATION

WMB $80.00 Call

WMB261218C00080000

Latest saved OI6,344Oct 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 $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. 6,3443,1720 2026-10-02: 6,219 OI2026-10-05: 6,199 OI2026-10-06: 6,201 OI2026-10-07: 6,228 OI2026-10-08: 6,227 OI2026-10-09: 6,246 OI2026-10-12: 6,248 OI2026-10-14: 6,250 OI2026-10-15: 6,250 OI2026-10-16: 6,271 OI2026-10-21: 6,303 OI2026-10-23: 6,344 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, 2026Viewing6,344+41
Oct 21, 20266,303+32
Oct 16, 20266,271+21
Oct 15, 20266,2500
Oct 14, 20266,250+2
Oct 12, 20266,248+2
Oct 09, 20266,246+19
Oct 08, 20266,227-1
Oct 07, 20266,228+27
Oct 06, 20266,201+2
Oct 05, 20266,199-20
Oct 02, 20266,219No prior observation