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Contract OI history

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Dec 15, 2028 EXPIRATION

UNH $340.00 Put

UNH281215P00340000

Latest saved OI231Oct 23, 2026
Last change-6vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $340.00 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. 2371180 2026-10-02: 192 OI2026-10-05: 192 OI2026-10-06: 192 OI2026-10-07: 192 OI2026-10-08: 192 OI2026-10-09: 192 OI2026-10-14: 209 OI2026-10-15: 204 OI2026-10-16: 203 OI2026-10-21: 237 OI2026-10-23: 231 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, 2026Viewing231-6
Oct 21, 2026237+34
Oct 16, 2026203-1
Oct 15, 2026204-5
Oct 14, 2026209+17
Oct 09, 20261920
Oct 08, 20261920
Oct 07, 20261920
Oct 06, 20261920
Oct 05, 20261920
Oct 02, 2026192No prior observation