Prothena Corporation plc

NasdaqGS:PRTA Stock Report

Market Cap: US$1.1b

Prothena Valuation

Is PRTA undervalued compared to its fair value, analyst forecasts and its price relative to the market?

Valuation Score

3/6

Valuation Score 3/6

  • Below Fair Value

  • Significantly Below Fair Value

  • Price-To-Sales vs Peers

  • Price-To-Sales vs Industry

  • Price-To-Sales vs Fair Ratio

  • Analyst Forecast

Share Price vs Fair Value

What is the Fair Price of PRTA when looking at its future cash flows? For this estimate we use a Discounted Cash Flow model.

Below Fair Value: PRTA ($20.56) is trading below our estimate of fair value ($409.99)

Significantly Below Fair Value: PRTA is trading below fair value by more than 20%.


Key Valuation Metric

Which metric is best to use when looking at relative valuation for PRTA?

Other financial metrics that can be useful for relative valuation.

PRTA key valuation metrics and ratios. From Price to Earnings, Price to Sales and Price to Book to Price to Earnings Growth Ratio, Enterprise Value and EBITDA.
Key Statistics
Enterprise Value/Revenue5.4x
Enterprise Value/EBITDA-2.6x
PEG Ration/a

Price to Sales Ratio vs Peers

How does PRTA's PS Ratio compare to its peers?

The above table shows the PS ratio for PRTA vs its peers. Here we also display the market cap and forecasted growth for additional consideration.
CompanyForward PSEstimated GrowthMarket Cap
Peer Average8.4x
VIR Vir Biotechnology
12.7x25.1%US$1.1b
IRWD Ironwood Pharmaceuticals
2.9x11.6%US$1.3b
MGNX MacroGenics
15.3x24.1%US$899.0m
MDXG MiMedx Group
2.9x10.3%US$921.7m
PRTA Prothena
12.1x44.2%US$1.1b

Price-To-Sales vs Peers: PRTA is expensive based on its Price-To-Sales Ratio (12.1x) compared to the peer average (8.3x).


Price to Earnings Ratio vs Industry

How does PRTA's PE Ratio compare vs other companies in the US Biotechs Industry?

0 CompaniesPrice / EarningsEstimated GrowthMarket Cap
Industry Avg.n/a21.3%
n/an/an/a
No. of CompaniesPS048121620

Fetching data

0 CompaniesPrice / EarningsEstimated GrowthMarket Cap
Industry Avg.n/a21.3%
n/an/an/a
No more companies

Price-To-Sales vs Industry: PRTA is good value based on its Price-To-Sales Ratio (12.1x) compared to the US Biotechs industry average (13.1x).


Price to Sales Ratio vs Fair Ratio

What is PRTA's PS Ratio compared to its Fair PS Ratio? This is the expected PS Ratio taking into account the company's forecast earnings growth, profit margins and other risk factors.

PRTA PS Ratio vs Fair Ratio.
Fair Ratio
Current PS Ratio12.1x
Fair PS Ratio1.8x

Price-To-Sales vs Fair Ratio: PRTA is expensive based on its Price-To-Sales Ratio (12.1x) compared to the estimated Fair Price-To-Sales Ratio (1.8x).


Analyst Price Targets

What is the analyst 12-month forecast and do we have any statistical confidence in the consensus price target?

The above table shows the analyst PRTA forecast and predictions for the stock price in 12 month’s time.
DateShare PriceAverage 1Y Price TargetDispersionHighLow1Y Actual priceAnalysts
CurrentUS$20.56
US$66.09
+221.4%
32.3%US$94.00US$34.00n/a10
Apr ’25US$26.15
US$65.72
+151.3%
31.0%US$94.00US$34.00n/a11
Mar ’25US$28.53
US$66.08
+131.6%
30.0%US$94.00US$35.00n/a11
Feb ’25US$27.37
US$73.24
+167.6%
29.7%US$100.00US$36.00n/a12
Jan ’25US$36.34
US$81.66
+124.7%
30.9%US$129.00US$43.00n/a12
Dec ’24US$34.89
US$83.45
+139.2%
30.7%US$129.00US$43.00n/a11
Nov ’24US$36.68
US$87.89
+139.6%
26.2%US$129.00US$52.90n/a10
Oct ’24US$48.25
US$93.44
+93.7%
21.1%US$129.00US$60.00n/a9
Sep ’24US$55.15
US$93.44
+69.4%
21.1%US$129.00US$60.00n/a9
Aug ’24US$69.05
US$93.33
+35.2%
21.2%US$129.00US$60.00n/a9
Jul ’24US$68.28
US$93.00
+36.2%
20.2%US$129.00US$60.00n/a10
Jun ’24US$66.39
US$92.10
+38.7%
18.7%US$120.00US$60.00n/a10
May ’24US$53.81
US$85.60
+59.1%
20.0%US$120.00US$55.00n/a10
Apr ’24US$48.47
US$84.10
+73.5%
21.6%US$120.00US$55.00US$26.1510
Mar ’24US$55.95
US$84.10
+50.3%
21.6%US$120.00US$55.00US$28.5310
Feb ’24US$53.67
US$84.60
+57.6%
21.0%US$120.00US$56.00US$27.3710
Jan ’24US$60.25
US$83.44
+38.5%
22.3%US$120.00US$55.00US$36.349
Dec ’23US$60.89
US$80.89
+32.8%
23.5%US$120.00US$55.00US$34.899
Nov ’23US$63.45
US$77.22
+21.7%
22.0%US$110.00US$52.00US$36.689
Oct ’23US$60.63
US$73.78
+21.7%
20.6%US$110.00US$52.00US$48.259
Sep ’23US$27.53
US$66.38
+141.1%
26.9%US$100.00US$45.00US$55.158
Aug ’23US$29.70
US$66.88
+125.2%
26.3%US$100.00US$45.00US$69.058
Jul ’23US$27.89
US$66.88
+139.8%
26.3%US$100.00US$45.00US$68.288
Jun ’23US$26.52
US$66.88
+152.2%
26.3%US$100.00US$45.00US$66.398
May ’23US$29.16
US$75.43
+158.7%
19.2%US$100.00US$47.00US$53.817
Apr ’23US$39.06
US$75.63
+93.6%
17.9%US$100.00US$47.00US$48.478

Analyst Forecast: Target price is more than 20% higher than the current share price, but analysts are not within a statistically confident range of agreement.


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