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Contract OI history

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Jan 21, 2028 EXPIRATION

WES $45.00 Call

WES280121C00045000

Latest saved OI620Oct 23, 2026
Last change+2vs 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. 7703850 2026-10-02: 770 OI2026-10-05: 770 OI2026-10-06: 770 OI2026-10-07: 769 OI2026-10-08: 714 OI2026-10-09: 714 OI2026-10-13: 587 OI2026-10-14: 586 OI2026-10-16: 586 OI2026-10-20: 618 OI2026-10-23: 620 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, 2026Viewing620+2
Oct 20, 2026618+32
Oct 16, 20265860
Oct 14, 2026586-1
Oct 13, 2026587-127
Oct 09, 20267140
Oct 08, 2026714-55
Oct 07, 2026769-1
Oct 06, 20267700
Oct 05, 20267700
Oct 02, 2026770No prior observation