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Contract OI history

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Nov 20, 2026 EXPIRATION

WES $55.00 Call

WES261120C00055000

Latest saved OI405Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WES $55.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4062030 2026-10-02: 406 OI2026-10-05: 406 OI2026-10-06: 405 OI2026-10-07: 405 OI2026-10-08: 405 OI2026-10-09: 405 OI2026-10-13: 405 OI2026-10-14: 405 OI2026-10-16: 405 OI2026-10-20: 405 OI2026-10-23: 405 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

WES contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing4050
Oct 20, 20264050
Oct 16, 20264050
Oct 14, 20264050
Oct 13, 20264050
Oct 09, 20264050
Oct 08, 20264050
Oct 07, 20264050
Oct 06, 2026405-1
Oct 05, 20264060
Oct 02, 2026406No prior observation