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Contract OI history

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Dec 15, 2028 EXPIRATION

WHR $37.50 Put

WHR281215P00037500

Latest saved OI368Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WHR $37.50 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. 3681840 2026-10-02: 208 OI2026-10-05: 208 OI2026-10-06: 208 OI2026-10-07: 208 OI2026-10-08: 208 OI2026-10-09: 208 OI2026-10-12: 368 OI2026-10-14: 368 OI2026-10-15: 368 OI2026-10-16: 368 OI2026-10-21: 368 OI2026-10-23: 368 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, 2026Viewing3680
Oct 21, 20263680
Oct 16, 20263680
Oct 15, 20263680
Oct 14, 20263680
Oct 12, 2026368+160
Oct 09, 20262080
Oct 08, 20262080
Oct 07, 20262080
Oct 06, 20262080
Oct 05, 20262080
Oct 02, 2026208No prior observation