OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

UNH $300.00 Put

UNH280121P00300000

Latest saved OI2,087Oct 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 $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. 2,0931,0460 2026-10-02: 2,047 OI2026-10-05: 2,047 OI2026-10-06: 2,048 OI2026-10-07: 2,049 OI2026-10-08: 2,049 OI2026-10-09: 2,054 OI2026-10-14: 2,093 OI2026-10-15: 2,091 OI2026-10-16: 2,090 OI2026-10-21: 2,087 OI2026-10-23: 2,087 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, 2026Viewing2,0870
Oct 21, 20262,087-3
Oct 16, 20262,090-1
Oct 15, 20262,091-2
Oct 14, 20262,093+39
Oct 09, 20262,054+5
Oct 08, 20262,0490
Oct 07, 20262,049+1
Oct 06, 20262,048+1
Oct 05, 20262,0470
Oct 02, 20262,047No prior observation