OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

UNH $240.00 Put

UNH280121P00240000

Latest saved OI527Oct 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 $240.00 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. 5302650 2026-10-02: 524 OI2026-10-05: 525 OI2026-10-06: 525 OI2026-10-07: 525 OI2026-10-08: 525 OI2026-10-09: 526 OI2026-10-14: 530 OI2026-10-15: 529 OI2026-10-16: 528 OI2026-10-21: 527 OI2026-10-23: 527 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, 2026Viewing5270
Oct 21, 2026527-1
Oct 16, 2026528-1
Oct 15, 2026529-1
Oct 14, 2026530+4
Oct 09, 2026526+1
Oct 08, 20265250
Oct 07, 20265250
Oct 06, 20265250
Oct 05, 2026525+1
Oct 02, 2026524No prior observation