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Contract OI history

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Oct 23, 2026 EXPIRATION

UNH $340.00 Put

UNH261023P00340000

Latest saved OI243Oct 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 $340.00 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. 3011500 2026-10-02: 250 OI2026-10-05: 255 OI2026-10-06: 265 OI2026-10-07: 267 OI2026-10-08: 267 OI2026-10-09: 301 OI2026-10-14: 298 OI2026-10-15: 265 OI2026-10-16: 247 OI2026-10-21: 241 OI2026-10-23: 243 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, 2026Viewing243+2
Oct 21, 2026241-6
Oct 16, 2026247-18
Oct 15, 2026265-33
Oct 14, 2026298-3
Oct 09, 2026301+34
Oct 08, 20262670
Oct 07, 2026267+2
Oct 06, 2026265+10
Oct 05, 2026255+5
Oct 02, 2026250No prior observation