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Contract OI history

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Oct 23, 2026 EXPIRATION

UNH $347.50 Put

UNH261023P00347500

Latest saved OI224Oct 23, 2026
Last change+8vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $347.50 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. 2251120 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 7 OI2026-10-07: 17 OI2026-10-08: 17 OI2026-10-09: 67 OI2026-10-14: 225 OI2026-10-15: 213 OI2026-10-16: 213 OI2026-10-21: 216 OI2026-10-23: 224 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, 2026Viewing224+8
Oct 21, 2026216+3
Oct 16, 20262130
Oct 15, 2026213-12
Oct 14, 2026225+158
Oct 09, 202667+50
Oct 08, 2026170
Oct 07, 202617+10
Oct 06, 20267+7
Oct 05, 202600
Oct 02, 20260No prior observation