OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

WES $45.00 Call

WES270115C00045000

Latest saved OI1,226Oct 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 $45.00 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. 1,3086540 2026-10-02: 1,308 OI2026-10-05: 1,308 OI2026-10-06: 1,308 OI2026-10-07: 1,308 OI2026-10-08: 1,265 OI2026-10-09: 1,263 OI2026-10-13: 1,253 OI2026-10-14: 1,253 OI2026-10-16: 1,226 OI2026-10-20: 1,226 OI2026-10-23: 1,226 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, 2026Viewing1,2260
Oct 20, 20261,2260
Oct 16, 20261,226-27
Oct 14, 20261,2530
Oct 13, 20261,253-10
Oct 09, 20261,263-2
Oct 08, 20261,265-43
Oct 07, 20261,3080
Oct 06, 20261,3080
Oct 05, 20261,3080
Oct 02, 20261,308No prior observation