OITracker Cboe delayed data

Contract OI history

Back to UNH

Jan 19, 2029 EXPIRATION

UNH $300.00 Put

UNH290119P00300000

Latest saved OI266Oct 23, 2026
Last change-4vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $300.00 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. 2811400 2026-10-02: 95 OI2026-10-05: 93 OI2026-10-06: 281 OI2026-10-07: 281 OI2026-10-08: 281 OI2026-10-09: 281 OI2026-10-14: 280 OI2026-10-15: 244 OI2026-10-16: 246 OI2026-10-21: 270 OI2026-10-23: 266 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, 2026Viewing266-4
Oct 21, 2026270+24
Oct 16, 2026246+2
Oct 15, 2026244-36
Oct 14, 2026280-1
Oct 09, 20262810
Oct 08, 20262810
Oct 07, 20262810
Oct 06, 2026281+188
Oct 05, 202693-2
Oct 02, 202695No prior observation