OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

UNH $340.00 Put

UNH270115P00340000

Latest saved OI2,254Oct 23, 2026
Last change+8vs 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. 2,2601,1300 2026-10-02: 2,075 OI2026-10-05: 2,074 OI2026-10-06: 2,076 OI2026-10-07: 2,083 OI2026-10-08: 2,083 OI2026-10-09: 2,092 OI2026-10-14: 2,117 OI2026-10-15: 2,260 OI2026-10-16: 2,229 OI2026-10-21: 2,246 OI2026-10-23: 2,254 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, 2026Viewing2,254+8
Oct 21, 20262,246+17
Oct 16, 20262,229-31
Oct 15, 20262,260+143
Oct 14, 20262,117+25
Oct 09, 20262,092+9
Oct 08, 20262,0830
Oct 07, 20262,083+7
Oct 06, 20262,076+2
Oct 05, 20262,074-1
Oct 02, 20262,075No prior observation