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Contract OI history

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Nov 20, 2026 EXPIRATION

WES $46.00 Put

WES261120P00046000

Latest saved OI227Oct 23, 2026
Last change+148vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WES $46.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2271130 2026-10-02: 154 OI2026-10-05: 154 OI2026-10-06: 154 OI2026-10-07: 156 OI2026-10-08: 156 OI2026-10-09: 176 OI2026-10-13: 179 OI2026-10-14: 179 OI2026-10-16: 179 OI2026-10-20: 79 OI2026-10-23: 227 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, 2026Viewing227+148
Oct 20, 202679-100
Oct 16, 20261790
Oct 14, 20261790
Oct 13, 2026179+3
Oct 09, 2026176+20
Oct 08, 20261560
Oct 07, 2026156+2
Oct 06, 20261540
Oct 05, 20261540
Oct 02, 2026154No prior observation