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Contract OI history

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Nov 20, 2026 EXPIRATION

WES $49.00 Call

WES261120C00049000

Latest saved OI1,476Oct 23, 2026
Last change+100vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WES $49.00 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. 1,4767380 2026-10-02: 677 OI2026-10-05: 847 OI2026-10-06: 846 OI2026-10-07: 848 OI2026-10-08: 847 OI2026-10-09: 1,378 OI2026-10-13: 1,378 OI2026-10-14: 1,378 OI2026-10-16: 1,378 OI2026-10-20: 1,376 OI2026-10-23: 1,476 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, 2026Viewing1,476+100
Oct 20, 20261,376-2
Oct 16, 20261,3780
Oct 14, 20261,3780
Oct 13, 20261,3780
Oct 09, 20261,378+531
Oct 08, 2026847-1
Oct 07, 2026848+2
Oct 06, 2026846-1
Oct 05, 2026847+170
Oct 02, 2026677No prior observation