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Contract OI history

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Nov 20, 2026 EXPIRATION

HUM $400.00 Put

HUM261120P00400000

Latest saved OI931Oct 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 $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. 9314650 2026-10-02: 452 OI2026-10-05: 453 OI2026-10-06: 433 OI2026-10-07: 454 OI2026-10-08: 454 OI2026-10-09: 497 OI2026-10-13: 508 OI2026-10-14: 508 OI2026-10-15: 508 OI2026-10-16: 509 OI2026-10-21: 931 OI2026-10-23: 931 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, 2026Viewing9310
Oct 21, 2026931+422
Oct 16, 2026509+1
Oct 15, 20265080
Oct 14, 20265080
Oct 13, 2026508+11
Oct 09, 2026497+43
Oct 08, 20264540
Oct 07, 2026454+21
Oct 06, 2026433-20
Oct 05, 2026453+1
Oct 02, 2026452No prior observation