OITracker Cboe delayed data

Contract OI history

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Jan 19, 2029 EXPIRATION

UNH $370.00 Put

UNH290119P00370000

Latest saved OI51Oct 23, 2026
Last change-2vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $370.00 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. 54270 2026-10-02: 53 OI2026-10-05: 53 OI2026-10-06: 53 OI2026-10-07: 53 OI2026-10-08: 53 OI2026-10-09: 53 OI2026-10-14: 53 OI2026-10-15: 53 OI2026-10-16: 54 OI2026-10-21: 53 OI2026-10-23: 51 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, 2026Viewing51-2
Oct 21, 202653-1
Oct 16, 202654+1
Oct 15, 2026530
Oct 14, 2026530
Oct 09, 2026530
Oct 08, 2026530
Oct 07, 2026530
Oct 06, 2026530
Oct 05, 2026530
Oct 02, 202653No prior observation