ProPhase Labs - 31 Year Stock Price History | PRPH

The latest closing stock price for ProPhase Labs as of June 16, 2025 is 0.33.

  • An investor who bought $1,000 worth of ProPhase Labs stock at the IPO in 1994 would have $5,287 today, roughly 5 times their original investment - a 6.11% compound annual growth rate over 31 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 4.53, which is 1272.7% above the current share price.
  • The ProPhase Labs 52-week low stock price is 0.22, which is 33.3% below the current share price.
  • The average ProPhase Labs stock price for the last 52 weeks is 1.39.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.

ProPhase Labs - 31 Year Stock Price History | PRPH

  • An investor who bought $1,000 worth of ProPhase Labs stock at the IPO in 1994 would have $5,287 today, roughly 5 times their original investment - a 6.11% compound annual growth rate over 31 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 4.53, which is 1272.7% above the current share price.
  • The ProPhase Labs 52-week low stock price is 0.22, which is 33.3% below the current share price.
  • The average ProPhase Labs stock price for the last 52 weeks is 1.39.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.