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Contract OI history

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Jun 17, 2027 EXPIRATION

WMB $75.00 Call

WMB270617C00075000

Latest saved OI479Oct 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 $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. 4792390 2026-10-02: 399 OI2026-10-05: 399 OI2026-10-06: 399 OI2026-10-07: 399 OI2026-10-08: 402 OI2026-10-09: 402 OI2026-10-12: 437 OI2026-10-14: 437 OI2026-10-15: 437 OI2026-10-16: 438 OI2026-10-21: 479 OI2026-10-23: 479 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, 20264790
Oct 21, 2026Viewing479+41
Oct 16, 2026438+1
Oct 15, 20264370
Oct 14, 20264370
Oct 12, 2026437+35
Oct 09, 20264020
Oct 08, 2026402+3
Oct 07, 20263990
Oct 06, 20263990
Oct 05, 20263990
Oct 02, 2026399No prior observation