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Contract OI history

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Sep 17, 2027 EXPIRATION

UNH $320.00 Put

UNH270917P00320000

Latest saved OI506Oct 23, 2026
Last change0vs 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. 5062530 2026-10-02: 342 OI2026-10-05: 343 OI2026-10-06: 368 OI2026-10-07: 369 OI2026-10-08: 369 OI2026-10-09: 378 OI2026-10-14: 378 OI2026-10-15: 375 OI2026-10-16: 376 OI2026-10-21: 506 OI2026-10-23: 506 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, 2026Viewing5060
Oct 21, 2026506+130
Oct 16, 2026376+1
Oct 15, 2026375-3
Oct 14, 20263780
Oct 09, 2026378+9
Oct 08, 20263690
Oct 07, 2026369+1
Oct 06, 2026368+25
Oct 05, 2026343+1
Oct 02, 2026342No prior observation