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Contract OI history

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Sep 17, 2027 EXPIRATION

WHR $27.50 Put

WHR270917P00027500

Latest saved OI428Oct 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. 4572280 2026-10-02: 356 OI2026-10-05: 356 OI2026-10-06: 356 OI2026-10-07: 356 OI2026-10-08: 357 OI2026-10-09: 357 OI2026-10-12: 357 OI2026-10-14: 457 OI2026-10-15: 457 OI2026-10-16: 457 OI2026-10-21: 428 OI2026-10-23: 428 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, 2026Viewing4280
Oct 21, 2026428-29
Oct 16, 20264570
Oct 15, 20264570
Oct 14, 2026457+100
Oct 12, 20263570
Oct 09, 20263570
Oct 08, 2026357+1
Oct 07, 20263560
Oct 06, 20263560
Oct 05, 20263560
Oct 02, 2026356No prior observation