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Contract OI history

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Jan 19, 2029 EXPIRATION

UNH $440.00 Put

UNH290119P00440000

Latest saved OI269Oct 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 $440.00 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. 2691340 2026-10-02: 250 OI2026-10-05: 250 OI2026-10-06: 251 OI2026-10-07: 251 OI2026-10-08: 251 OI2026-10-09: 251 OI2026-10-14: 251 OI2026-10-15: 251 OI2026-10-16: 256 OI2026-10-21: 267 OI2026-10-23: 269 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, 2026Viewing269+2
Oct 21, 2026267+11
Oct 16, 2026256+5
Oct 15, 20262510
Oct 14, 20262510
Oct 09, 20262510
Oct 08, 20262510
Oct 07, 20262510
Oct 06, 2026251+1
Oct 05, 20262500
Oct 02, 2026250No prior observation