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Contract OI history

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Dec 18, 2026 EXPIRATION

UNH $220.00 Put

UNH261218P00220000

Latest saved OI630Oct 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 $220.00 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. 6343170 2026-10-02: 631 OI2026-10-05: 631 OI2026-10-06: 631 OI2026-10-07: 631 OI2026-10-08: 631 OI2026-10-09: 634 OI2026-10-14: 633 OI2026-10-15: 630 OI2026-10-16: 630 OI2026-10-21: 630 OI2026-10-23: 630 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, 2026Viewing6300
Oct 21, 20266300
Oct 16, 20266300
Oct 15, 2026630-3
Oct 14, 2026633-1
Oct 09, 2026634+3
Oct 08, 20266310
Oct 07, 20266310
Oct 06, 20266310
Oct 05, 20266310
Oct 02, 2026631No prior observation