Protagonist Therapeutics - 9 Year Stock Price History | PTGX

The latest closing stock price for Protagonist Therapeutics as of February 21, 2025 is 38.75.

  • An investor who bought $1,000 worth of Protagonist Therapeutics stock at the IPO in 2016 would have $2,312 today, roughly 2 times their original investment - a 14.23% compound annual growth rate over 9 years.
  • The all-time high Protagonist Therapeutics stock closing price was 49.69 on September 01, 2021.
  • The Protagonist Therapeutics 52-week high stock price is 48.89, which is 26.2% above the current share price.
  • The Protagonist Therapeutics 52-week low stock price is 24.22, which is 37.5% below the current share price.
  • The average Protagonist Therapeutics stock price for the last 52 weeks is 37.03.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.

Protagonist Therapeutics - 9 Year Stock Price History | PTGX

  • An investor who bought $1,000 worth of Protagonist Therapeutics stock at the IPO in 2016 would have $2,312 today, roughly 2 times their original investment - a 14.23% compound annual growth rate over 9 years.
  • The all-time high Protagonist Therapeutics stock closing price was 49.69 on September 01, 2021.
  • The Protagonist Therapeutics 52-week high stock price is 48.89, which is 26.2% above the current share price.
  • The Protagonist Therapeutics 52-week low stock price is 24.22, which is 37.5% below the current share price.
  • The average Protagonist Therapeutics stock price for the last 52 weeks is 37.03.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.