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Contract OI history

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Dec 15, 2028 EXPIRATION

UNH $350.00 Put

UNH281215P00350000

Latest saved OI190Oct 23, 2026
Last change-12vs 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. 2871430 2026-10-02: 151 OI2026-10-05: 151 OI2026-10-06: 152 OI2026-10-07: 152 OI2026-10-08: 152 OI2026-10-09: 152 OI2026-10-14: 240 OI2026-10-15: 242 OI2026-10-16: 287 OI2026-10-21: 202 OI2026-10-23: 190 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, 2026Viewing190-12
Oct 21, 2026202-85
Oct 16, 2026287+45
Oct 15, 2026242+2
Oct 14, 2026240+88
Oct 09, 20261520
Oct 08, 20261520
Oct 07, 20261520
Oct 06, 2026152+1
Oct 05, 20261510
Oct 02, 2026151No prior observation