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Contract OI history

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Oct 23, 2026 EXPIRATION

UNH $310.00 Put

UNH261023P00310000

Latest saved OI167Oct 23, 2026
Last change+3vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $310.00 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. 167830 2026-10-02: 67 OI2026-10-05: 68 OI2026-10-06: 93 OI2026-10-07: 115 OI2026-10-08: 115 OI2026-10-09: 129 OI2026-10-14: 158 OI2026-10-15: 158 OI2026-10-16: 158 OI2026-10-21: 164 OI2026-10-23: 167 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, 2026Viewing167+3
Oct 21, 2026164+6
Oct 16, 20261580
Oct 15, 20261580
Oct 14, 2026158+29
Oct 09, 2026129+14
Oct 08, 20261150
Oct 07, 2026115+22
Oct 06, 202693+25
Oct 05, 202668+1
Oct 02, 202667No prior observation