OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

UNH $400.00 Put

UNH270115P00400000

Latest saved OI6,312Oct 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 $400.00 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. 6,3123,1560 2026-10-02: 4,439 OI2026-10-05: 4,439 OI2026-10-06: 4,438 OI2026-10-07: 4,430 OI2026-10-08: 4,430 OI2026-10-09: 4,448 OI2026-10-14: 4,425 OI2026-10-15: 4,448 OI2026-10-16: 4,850 OI2026-10-21: 6,304 OI2026-10-23: 6,312 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, 2026Viewing6,312+8
Oct 21, 20266,304+1,454
Oct 16, 20264,850+402
Oct 15, 20264,448+23
Oct 14, 20264,425-23
Oct 09, 20264,448+18
Oct 08, 20264,4300
Oct 07, 20264,430-8
Oct 06, 20264,438-1
Oct 05, 20264,4390
Oct 02, 20264,439No prior observation