OITracker Cboe delayed data

Contract OI history

Back to WES

Feb 19, 2027 EXPIRATION

WES $42.00 Call

WES270219C00042000

Latest saved OI185Oct 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 $42.00 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. 185920 2026-10-02: 175 OI2026-10-05: 175 OI2026-10-06: 175 OI2026-10-07: 175 OI2026-10-08: 175 OI2026-10-09: 175 OI2026-10-13: 175 OI2026-10-14: 175 OI2026-10-16: 175 OI2026-10-20: 185 OI2026-10-23: 185 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, 2026Viewing1850
Oct 20, 2026185+10
Oct 16, 20261750
Oct 14, 20261750
Oct 13, 20261750
Oct 09, 20261750
Oct 08, 20261750
Oct 07, 20261750
Oct 06, 20261750
Oct 05, 20261750
Oct 02, 2026175No prior observation