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Contract OI history

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Jun 17, 2027 EXPIRATION

UNH $320.00 Put

UNH270617P00320000

Latest saved OI1,213Oct 23, 2026
Last change-1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $320.00 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. 1,2326160 2026-10-02: 817 OI2026-10-05: 822 OI2026-10-06: 822 OI2026-10-07: 821 OI2026-10-08: 821 OI2026-10-09: 1,231 OI2026-10-14: 1,232 OI2026-10-15: 1,228 OI2026-10-16: 1,231 OI2026-10-21: 1,214 OI2026-10-23: 1,213 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, 2026Viewing1,213-1
Oct 21, 20261,214-17
Oct 16, 20261,231+3
Oct 15, 20261,228-4
Oct 14, 20261,232+1
Oct 09, 20261,231+410
Oct 08, 20268210
Oct 07, 2026821-1
Oct 06, 20268220
Oct 05, 2026822+5
Oct 02, 2026817No prior observation