PTGX logo

Protagonist Therapeutics, Inc. (PTGX) P/E Ratio

PE Ratio:

135.47-5.60(-3.97%)
December 18, 2025

Summary

  • As of today, PTGX price to earnings ratio is 135.47, with a fall of -5.60 (-3.97%) during the most recent trading session on December 18, 2025.
  • Over the past year, PTGX PE ratio has increased by +120.64 (+813.49%).
  • PTGX PE ratio is now -10.02% below its all-time high of 150.56.

Performance

PTGX PE Ratio Chart

Add series to chart
Add series to chart(max: 6)
company, ETF, index, featured screener or watchlist
series name
Suggested series

Highlights

Range

OtherPTGXvaluation metrics

PE Ratio Formula

P/E =  
Price
TTM Earnings Per Share

PTGX PE Ratio Trends

PeriodPeriodPE RatioPE RatioPricePriceTTM EPSTTM EPSTTM RevenueTTM Revenue
1D1 Day-4.0%-4.0%-11.1%+0.0%
1M1 Month+0.8%+0.8%--
3M3 Months+55.2%+37.9%-11.1%+0.0%
6M6 Months+91.1%+59.1%--
YTDYTD+1375.7%+122.3%--
1Y1 Year+813.5%+117.0%-76.2%-35.4%
5Y5 Years-+306.2%+129.3%+714.2%

PTGX PE Ratio Highs & Lows

PeriodPeriodHighHighCurrent vs Highvs HighLowLowCurrent vs Lowvs Low
1M1-Month150.56-10.0%132.95+1.9%
3M3-Month150.56-10.0%87.30+55.2%
6M6-Month150.56-10.0%69.75+94.2%
1Y1-Year150.56-10.0%8.34+1524.3%
3Y3-Year150.56-10.0%8.34+1524.3%
5Y5-Year150.56-10.0%8.34+1524.3%
All-TimeAll-Time150.56-10.0%8.34+1524.3%

PTGX PE Ratio History

DateValue
2025
135.47(+1375.7%)
DateValue
2024
9.18

FAQ

  • What is Protagonist Therapeutics, Inc. price to earnings ratio?
  • What is the all-time high PE ratio for Protagonist Therapeutics, Inc.?
  • What is PTGX price to earnings ratio year-to-date change?
  • What is Protagonist Therapeutics, Inc. PE ratio year-on-year change?

What is Protagonist Therapeutics, Inc. price to earnings ratio?

The current PE ratio of PTGX is 135.47

What is the all-time high PE ratio for Protagonist Therapeutics, Inc.?

Protagonist Therapeutics, Inc. all-time high price to earnings ratio is 150.56

What is PTGX price to earnings ratio year-to-date change?

Protagonist Therapeutics, Inc. price to earnings ratio has changed by +126.29 (+1375.71%) since the beginning of the year

What is Protagonist Therapeutics, Inc. PE ratio year-on-year change?

Over the past year, PTGX price to earnings ratio has changed by +120.64 (+813.49%)
On this page