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Contract OI history

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Dec 18, 2026 EXPIRATION

HUM $380.00 Put

HUM261218P00380000

Latest saved OI497Oct 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 $380.00 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. 4972480 2026-10-02: 260 OI2026-10-05: 260 OI2026-10-06: 260 OI2026-10-07: 260 OI2026-10-08: 260 OI2026-10-09: 259 OI2026-10-13: 259 OI2026-10-14: 259 OI2026-10-15: 481 OI2026-10-16: 485 OI2026-10-21: 497 OI2026-10-23: 497 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, 2026Viewing4970
Oct 21, 2026497+12
Oct 16, 2026485+4
Oct 15, 2026481+222
Oct 14, 20262590
Oct 13, 20262590
Oct 09, 2026259-1
Oct 08, 20262600
Oct 07, 20262600
Oct 06, 20262600
Oct 05, 20262600
Oct 02, 2026260No prior observation