OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

UNH $350.00 Put

UNH270115P00350000

Latest saved OI7,783Oct 23, 2026
Last change-12vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $350.00 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. 7,7953,8970 2026-10-02: 4,949 OI2026-10-05: 4,974 OI2026-10-06: 4,976 OI2026-10-07: 4,909 OI2026-10-08: 4,909 OI2026-10-09: 4,902 OI2026-10-14: 4,881 OI2026-10-15: 6,565 OI2026-10-16: 6,471 OI2026-10-21: 7,795 OI2026-10-23: 7,783 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, 2026Viewing7,783-12
Oct 21, 20267,795+1,324
Oct 16, 20266,471-94
Oct 15, 20266,565+1,684
Oct 14, 20264,881-21
Oct 09, 20264,902-7
Oct 08, 20264,9090
Oct 07, 20264,909-67
Oct 06, 20264,976+2
Oct 05, 20264,974+25
Oct 02, 20264,949No prior observation