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Contract OI history

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Oct 23, 2026 EXPIRATION

HUM $400.00 Put

HUM261023P00400000

Latest saved OI473Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HUM $400.00 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. 4742370 2026-10-02: 36 OI2026-10-05: 36 OI2026-10-06: 36 OI2026-10-07: 36 OI2026-10-08: 36 OI2026-10-09: 52 OI2026-10-13: 302 OI2026-10-14: 302 OI2026-10-15: 302 OI2026-10-16: 302 OI2026-10-21: 474 OI2026-10-23: 473 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, 2026Viewing473-1
Oct 21, 2026474+172
Oct 16, 20263020
Oct 15, 20263020
Oct 14, 20263020
Oct 13, 2026302+250
Oct 09, 202652+16
Oct 08, 2026360
Oct 07, 2026360
Oct 06, 2026360
Oct 05, 2026360
Oct 02, 202636No prior observation