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Contract OI history

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Oct 23, 2026 EXPIRATION

UNH $350.00 Put

UNH261023P00350000

Latest saved OI478Oct 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 $350.00 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. 4782390 2026-10-02: 360 OI2026-10-05: 361 OI2026-10-06: 275 OI2026-10-07: 260 OI2026-10-08: 260 OI2026-10-09: 318 OI2026-10-14: 440 OI2026-10-15: 390 OI2026-10-16: 346 OI2026-10-21: 476 OI2026-10-23: 478 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, 2026Viewing478+2
Oct 21, 2026476+130
Oct 16, 2026346-44
Oct 15, 2026390-50
Oct 14, 2026440+122
Oct 09, 2026318+58
Oct 08, 20262600
Oct 07, 2026260-15
Oct 06, 2026275-86
Oct 05, 2026361+1
Oct 02, 2026360No prior observation