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Contract OI history

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Dec 18, 2026 EXPIRATION

HUM $340.00 Put

HUM261218P00340000

Latest saved OI431Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HUM $340.00 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. 4312150 2026-10-02: 403 OI2026-10-05: 403 OI2026-10-06: 401 OI2026-10-07: 401 OI2026-10-08: 401 OI2026-10-09: 430 OI2026-10-13: 427 OI2026-10-14: 427 OI2026-10-15: 427 OI2026-10-16: 428 OI2026-10-21: 431 OI2026-10-23: 431 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

HUM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing4310
Oct 21, 2026431+3
Oct 16, 2026428+1
Oct 15, 20264270
Oct 14, 20264270
Oct 13, 2026427-3
Oct 09, 2026430+29
Oct 08, 20264010
Oct 07, 20264010
Oct 06, 2026401-2
Oct 05, 20264030
Oct 02, 2026403No prior observation