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Contract OI history

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Jan 21, 2028 EXPIRATION

WHR $40.00 Put

WHR280121P00040000

Latest saved OI554Oct 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 $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. 5552770 2026-10-02: 554 OI2026-10-05: 554 OI2026-10-06: 554 OI2026-10-07: 554 OI2026-10-08: 555 OI2026-10-09: 555 OI2026-10-12: 555 OI2026-10-14: 555 OI2026-10-15: 555 OI2026-10-16: 555 OI2026-10-21: 554 OI2026-10-23: 554 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, 2026Viewing5540
Oct 21, 2026554-1
Oct 16, 20265550
Oct 15, 20265550
Oct 14, 20265550
Oct 12, 20265550
Oct 09, 20265550
Oct 08, 2026555+1
Oct 07, 20265540
Oct 06, 20265540
Oct 05, 20265540
Oct 02, 2026554No prior observation