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Contract OI history

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Dec 15, 2028 EXPIRATION

UNH $180.00 Put

UNH281215P00180000

Latest saved OI200Oct 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 $180.00 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. 2001000 2026-10-02: 171 OI2026-10-05: 171 OI2026-10-06: 171 OI2026-10-07: 192 OI2026-10-08: 192 OI2026-10-09: 197 OI2026-10-14: 198 OI2026-10-15: 194 OI2026-10-16: 194 OI2026-10-21: 194 OI2026-10-23: 200 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, 2026Viewing200+6
Oct 21, 20261940
Oct 16, 20261940
Oct 15, 2026194-4
Oct 14, 2026198+1
Oct 09, 2026197+5
Oct 08, 20261920
Oct 07, 2026192+21
Oct 06, 20261710
Oct 05, 20261710
Oct 02, 2026171No prior observation