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Contract OI history

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Dec 18, 2026 EXPIRATION

WHR $40.00 Put

WHR261218P00040000

Latest saved OI2,028Oct 23, 2026
Last change-4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WHR $40.00 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. 2,0641,0320 2026-10-02: 2,058 OI2026-10-05: 2,058 OI2026-10-06: 2,058 OI2026-10-07: 2,058 OI2026-10-08: 2,063 OI2026-10-09: 2,063 OI2026-10-12: 2,063 OI2026-10-14: 2,064 OI2026-10-15: 2,064 OI2026-10-16: 2,064 OI2026-10-21: 2,032 OI2026-10-23: 2,028 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, 2026Viewing2,028-4
Oct 21, 20262,032-32
Oct 16, 20262,0640
Oct 15, 20262,0640
Oct 14, 20262,064+1
Oct 12, 20262,0630
Oct 09, 20262,0630
Oct 08, 20262,063+5
Oct 07, 20262,0580
Oct 06, 20262,0580
Oct 05, 20262,0580
Oct 02, 20262,058No prior observation