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Contract OI history

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Dec 18, 2026 EXPIRATION

HUM $390.00 Put

HUM261218P00390000

Latest saved OI852Oct 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 $390.00 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. 8524260 2026-10-02: 820 OI2026-10-05: 820 OI2026-10-06: 825 OI2026-10-07: 825 OI2026-10-08: 825 OI2026-10-09: 832 OI2026-10-13: 833 OI2026-10-14: 833 OI2026-10-15: 831 OI2026-10-16: 834 OI2026-10-21: 851 OI2026-10-23: 852 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, 2026Viewing852+1
Oct 21, 2026851+17
Oct 16, 2026834+3
Oct 15, 2026831-2
Oct 14, 20268330
Oct 13, 2026833+1
Oct 09, 2026832+7
Oct 08, 20268250
Oct 07, 20268250
Oct 06, 2026825+5
Oct 05, 20268200
Oct 02, 2026820No prior observation