ProPhase Labs - 30 Year Stock Price History | PRPH

The latest closing stock price for ProPhase Labs as of April 24, 2025 is 0.34.

  • An investor who bought $1,000 worth of ProPhase Labs stock at the IPO in 1995 would have $444 today, roughly 0 times their original investment - a 1.23% compound annual growth rate over 30 years.
  • The all-time high ProPhase Labs stock closing price was 14.70 on July 11, 2022.
  • The ProPhase Labs 52-week high stock price is 5.62, which is 1552.9% above the current share price.
  • The ProPhase Labs 52-week low stock price is 0.22, which is 35.3% below the current share price.
  • The average ProPhase Labs stock price for the last 52 weeks is 2.08.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.