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Contract OI history

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Feb 19, 2027 EXPIRATION

WES $55.00 Call

WES270219C00055000

Latest saved OI1,566Oct 23, 2026
Last change-56vs 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. 1,6288140 2026-10-02: 1,628 OI2026-10-05: 1,628 OI2026-10-06: 1,628 OI2026-10-07: 1,628 OI2026-10-08: 1,628 OI2026-10-09: 1,628 OI2026-10-13: 1,628 OI2026-10-14: 1,628 OI2026-10-16: 1,628 OI2026-10-20: 1,622 OI2026-10-23: 1,566 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, 2026Viewing1,566-56
Oct 20, 20261,622-6
Oct 16, 20261,6280
Oct 14, 20261,6280
Oct 13, 20261,6280
Oct 09, 20261,6280
Oct 08, 20261,6280
Oct 07, 20261,6280
Oct 06, 20261,6280
Oct 05, 20261,6280
Oct 02, 20261,628No prior observation