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PTGX Protagonist Therapeutics PE ratio, current and historical analysis

As at Jul 3, 2025, the PTGX stock has a PE ratio of 56.72. This is based on the current EPS of $0.9 and the stock price of $51.05 per share. An increase of 152% has been seen in the P/E ratio compared to the average of 22.5 of the last 4 quarters.

PTGX PE ratio history

How has PTGX's PE ratio performed in the past

The mean historical PE ratio of Protagonist Therapeutics over the last nine years is 24.92. The current 56.72 PE ratio is 128% above the historical average. Over the past nine years, PTGX's PE ratio was at its highest in the Mar 2025 quarter at 53.73, with a price of $48.36 and an EPS of $0.9. The Dec 2024 quarter recorded the bottom point at 8.64, with a price of $38.6 and an EPS of $4.47.

Today
56.72
Average
24.92
Median
15.57
Minimum
8.64
Maximum
53.73

Protagonist Therapeutics PE ratio by year

Year PE ratio PE change Price EPS
2024 8.64 N/A $38.6 $4.47
2023 N/A N/A $22.93 -$1.39
2022 N/A N/A $10.91 -$2.6
2021 N/A N/A $34.2 -$2.71
2020 N/A N/A $20.16 -$1.92
2019 N/A N/A $7.05 -$2.98
2018 N/A N/A $6.73 -$1.74
2017 N/A N/A $20.8 -$2.09
2016 N/A N/A $21.99 -$5.8
2015 N/A N/A N/A -$59.32
2014 N/A N/A N/A -$49.38

Protagonist Therapeutics PE ratio by quarter (TTM)

Year PE ratio PE change Price EPS
Mar 2025 53.73 521.88% $48.36 $0.9
Dec 2024 8.64 -44.51% $38.6 $4.47
Sep 2024 15.57 28.04% $45 $2.89
Jun 2024 12.16 12.18% $34.65 $2.85
Mar 2024 10.84 N/A $28.93 $2.67
Dec 2023 N/A N/A $22.93 -$1.39
Sep 2023 N/A N/A $16.68 -$2.63
Jun 2023 N/A N/A $27.62 -$2.69
Mar 2023 N/A N/A $23 -$2.85
Dec 2022 N/A N/A $10.91 -$2.6
Sep 2022 N/A N/A $8.43 -$2.68
Jun 2022 N/A N/A $7.91 -$2.74
Mar 2022 N/A N/A $23.68 -$2.59
Dec 2021 N/A N/A $34.2 -$2.71
Sep 2021 N/A N/A $17.72 -$2.4

PTGX Price vs fair value

How does PTGX's price compare to its estimated fair value based on its growth

PTGX average PE ratio chart

What is the average PE ratio of PTGX for the past years

PTGX's current P/E ratio is above the 3 and 5-year historical averages.

3-year avg
20.19
5-year avg
20.19
10-year avg
N/A
15-year avg
N/A

PTGX PE vs peers

What is PTGX's PE ratio compared to its peers
Stock name PE ratio Market cap
PTGX Protagonist Therapeutics Inc 56.72 $3.16B
OLMA Olema Pharmaceuticals Inc N/A $312.69M
OMER Omeros Corp N/A $187.5M
VIVS VivoSim Labs Inc. N/A $4.08M
ORIC Oric Pharmaceuticals Inc N/A $767.75M
ORMP Oramed Pharmaceuticals Inc N/A $89.05M

Frequently asked questions

What is Protagonist Therapeutics's PE ratio?

The price to earnings ratio for PTGX stock is 56.72 as of Jul 3, 2025.

What is the 3-year average PE ratio for Protagonist Therapeutics (PTGX)?

The 3-year average PE ratio for PTGX stock is 20.19.

What is the 5-year average PE ratio for Protagonist Therapeutics (PTGX)?

The 5-year average PE ratio for PTGX stock is 20.19.

What is the highest PE ratio for PTGX?

The current P/E of 56.72 represents the highest historical value in the last nine years.

How does the current PE ratio for PTGX compare to its historical average?

PTGX's current price to earnings ratio is 128% above its 9-year historical average.

How is PTGX's PE ratio calculated (Protagonist Therapeutics PE ratio formula)?

To determine the PE ratio, divide the most recent stock price by the TTM earnings per share (EPS). As of today (Jul 3, 2025), Protagonist Therapeutics's stock price is $51.05. The earnings per share for the trailing twelve months (TTM) ending Mar 2025 is $0.9. Therefore, Protagonist Therapeutics's P/E ratio for today is 56.72. PE RATIO(56.72) = STOCK PRICE($51.05) / TTM EPS($0.9)

All PE ratio stats are based on quarterly TTM periods, unless otherwise specified.