OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

UNH $430.00 Put

UNH280121P00430000

Latest saved OI540Oct 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 $430.00 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. 5402700 2026-10-02: 421 OI2026-10-05: 421 OI2026-10-06: 421 OI2026-10-07: 421 OI2026-10-08: 421 OI2026-10-09: 421 OI2026-10-14: 421 OI2026-10-15: 421 OI2026-10-16: 421 OI2026-10-21: 540 OI2026-10-23: 540 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, 2026Viewing5400
Oct 21, 2026540+119
Oct 16, 20264210
Oct 15, 20264210
Oct 14, 20264210
Oct 09, 20264210
Oct 08, 20264210
Oct 07, 20264210
Oct 06, 20264210
Oct 05, 20264210
Oct 02, 2026421No prior observation