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Contract OI history

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Dec 18, 2026 EXPIRATION

WHR $20.00 Put

WHR261218P00020000

Latest saved OI151Oct 23, 2026
Last change+20vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WHR $20.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 151750 2026-10-02: 54 OI2026-10-05: 54 OI2026-10-06: 54 OI2026-10-07: 54 OI2026-10-08: 54 OI2026-10-09: 46 OI2026-10-12: 46 OI2026-10-14: 46 OI2026-10-15: 76 OI2026-10-16: 80 OI2026-10-21: 131 OI2026-10-23: 151 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, 2026151+20
Oct 21, 2026Viewing131+51
Oct 16, 202680+4
Oct 15, 202676+30
Oct 14, 2026460
Oct 12, 2026460
Oct 09, 202646-8
Oct 08, 2026540
Oct 07, 2026540
Oct 06, 2026540
Oct 05, 2026540
Oct 02, 202654No prior observation