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Contract OI history

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Dec 15, 2028 EXPIRATION

WHR $37.50 Call

WHR281215C00037500

Latest saved OI231Oct 23, 2026
Last change+92vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WHR $37.50 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2311150 2026-10-02: 82 OI2026-10-05: 82 OI2026-10-06: 82 OI2026-10-07: 82 OI2026-10-08: 83 OI2026-10-09: 83 OI2026-10-12: 83 OI2026-10-14: 83 OI2026-10-15: 83 OI2026-10-16: 112 OI2026-10-21: 139 OI2026-10-23: 231 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

WHR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing231+92
Oct 21, 2026139+27
Oct 16, 2026112+29
Oct 15, 2026830
Oct 14, 2026830
Oct 12, 2026830
Oct 09, 2026830
Oct 08, 202683+1
Oct 07, 2026820
Oct 06, 2026820
Oct 05, 2026820
Oct 02, 202682No prior observation