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Contract OI history

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Dec 17, 2027 EXPIRATION

UNH $400.00 Put

UNH271217P00400000

Latest saved OI705Oct 23, 2026
Last change+2vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $400.00 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. 7053520 2026-10-02: 681 OI2026-10-05: 681 OI2026-10-06: 681 OI2026-10-07: 681 OI2026-10-08: 681 OI2026-10-09: 680 OI2026-10-14: 684 OI2026-10-15: 683 OI2026-10-16: 682 OI2026-10-21: 703 OI2026-10-23: 705 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, 2026Viewing705+2
Oct 21, 2026703+21
Oct 16, 2026682-1
Oct 15, 2026683-1
Oct 14, 2026684+4
Oct 09, 2026680-1
Oct 08, 20266810
Oct 07, 20266810
Oct 06, 20266810
Oct 05, 20266810
Oct 02, 2026681No prior observation