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Contract OI history

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Nov 20, 2026 EXPIRATION

UNH $390.00 Put

UNH261120P00390000

Latest saved OI4,754Oct 23, 2026
Last change+67vs 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. 4,7542,3770 2026-10-02: 2,220 OI2026-10-05: 2,224 OI2026-10-06: 2,240 OI2026-10-07: 2,244 OI2026-10-08: 2,244 OI2026-10-09: 2,237 OI2026-10-14: 2,224 OI2026-10-15: 2,258 OI2026-10-16: 2,238 OI2026-10-21: 4,687 OI2026-10-23: 4,754 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, 2026Viewing4,754+67
Oct 21, 20264,687+2,449
Oct 16, 20262,238-20
Oct 15, 20262,258+34
Oct 14, 20262,224-13
Oct 09, 20262,237-7
Oct 08, 20262,2440
Oct 07, 20262,244+4
Oct 06, 20262,240+16
Oct 05, 20262,224+4
Oct 02, 20262,220No prior observation