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Contract OI history

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Jan 21, 2028 EXPIRATION

WHR $27.50 Put

WHR280121P00027500

Latest saved OI260Oct 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 $27.50 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. 2641320 2026-10-02: 264 OI2026-10-05: 264 OI2026-10-06: 264 OI2026-10-07: 264 OI2026-10-08: 259 OI2026-10-09: 259 OI2026-10-12: 259 OI2026-10-14: 261 OI2026-10-15: 261 OI2026-10-16: 261 OI2026-10-21: 260 OI2026-10-23: 260 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, 2026Viewing2600
Oct 21, 2026260-1
Oct 16, 20262610
Oct 15, 20262610
Oct 14, 2026261+2
Oct 12, 20262590
Oct 09, 20262590
Oct 08, 2026259-5
Oct 07, 20262640
Oct 06, 20262640
Oct 05, 20262640
Oct 02, 2026264No prior observation