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Contract OI history

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Oct 23, 2026 EXPIRATION

UNH $390.00 Put

UNH261023P00390000

Latest saved OI537Oct 23, 2026
Last change-44vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $390.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5812900 2026-10-02: 22 OI2026-10-05: 21 OI2026-10-06: 19 OI2026-10-07: 46 OI2026-10-08: 46 OI2026-10-09: 65 OI2026-10-14: 61 OI2026-10-15: 174 OI2026-10-16: 199 OI2026-10-21: 581 OI2026-10-23: 537 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

UNH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing537-44
Oct 21, 2026581+382
Oct 16, 2026199+25
Oct 15, 2026174+113
Oct 14, 202661-4
Oct 09, 202665+19
Oct 08, 2026460
Oct 07, 202646+27
Oct 06, 202619-2
Oct 05, 202621-1
Oct 02, 202622No prior observation