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Contract OI history

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Jan 15, 2027 EXPIRATION

HUM $400.00 Put

HUM270115P00400000

Latest saved OI315Oct 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. 3151570 2026-10-02: 287 OI2026-10-05: 275 OI2026-10-06: 288 OI2026-10-07: 289 OI2026-10-08: 289 OI2026-10-09: 295 OI2026-10-13: 311 OI2026-10-14: 311 OI2026-10-15: 315 OI2026-10-16: 315 OI2026-10-21: 314 OI2026-10-23: 315 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, 2026Viewing315+1
Oct 21, 2026314-1
Oct 16, 20263150
Oct 15, 2026315+4
Oct 14, 20263110
Oct 13, 2026311+16
Oct 09, 2026295+6
Oct 08, 20262890
Oct 07, 2026289+1
Oct 06, 2026288+13
Oct 05, 2026275-12
Oct 02, 2026287No prior observation