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Contract OI history

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Jan 19, 2029 EXPIRATION

UNH $350.00 Put

UNH290119P00350000

Latest saved OI123Oct 23, 2026
Last change0vs 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. 125620 2026-10-02: 62 OI2026-10-05: 62 OI2026-10-06: 66 OI2026-10-07: 66 OI2026-10-08: 66 OI2026-10-09: 66 OI2026-10-14: 67 OI2026-10-15: 92 OI2026-10-16: 125 OI2026-10-21: 123 OI2026-10-23: 123 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, 2026Viewing1230
Oct 21, 2026123-2
Oct 16, 2026125+33
Oct 15, 202692+25
Oct 14, 202667+1
Oct 09, 2026660
Oct 08, 2026660
Oct 07, 2026660
Oct 06, 202666+4
Oct 05, 2026620
Oct 02, 202662No prior observation