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Contract OI history

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Jan 21, 2028 EXPIRATION

WHR $20.00 Put

WHR280121P00020000

Latest saved OI379Oct 23, 2026
Last change+43vs 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. 3791890 2026-10-02: 312 OI2026-10-05: 312 OI2026-10-06: 312 OI2026-10-07: 312 OI2026-10-08: 312 OI2026-10-09: 312 OI2026-10-12: 312 OI2026-10-14: 312 OI2026-10-15: 312 OI2026-10-16: 312 OI2026-10-21: 336 OI2026-10-23: 379 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, 2026379+43
Oct 21, 2026Viewing336+24
Oct 16, 20263120
Oct 15, 20263120
Oct 14, 20263120
Oct 12, 20263120
Oct 09, 20263120
Oct 08, 20263120
Oct 07, 20263120
Oct 06, 20263120
Oct 05, 20263120
Oct 02, 2026312No prior observation