PRTA Relative Valuation
PRTA's fair value is calculated using relative valuation, based on historical P/E and P/S ranges and their premiums/discounts relative to a competitor average, adjusted by weights. If the market price exceeds this fair value range, PRTA is overvalued; if below, it's undervalued.
Historical Valuation
Prothena Corporation PLC (PRTA) is now in the Fair zone, suggesting that its current forward PS ratio of 0.00 is considered Fairly compared with the five-year average of -0.82. The fair price of Prothena Corporation PLC (PRTA) is between NaN to NaN according to relative valuation methord.
Relative Value
Fair Zone
NaN-NaN
Current Price：11.11
Fair
103.24
PE
1Y
3Y
5Y
Trailing
Forward
0.00
EV/EBITDA
Prothena Corporation PLC. (PRTA) has a current EV/EBITDA of 0.00. The 5-year average EV/EBITDA is -5.69. The thresholds are as follows: Strongly Undervalued below -51.72, Undervalued between -51.72 and -28.70, Fairly Valued between 17.33 and -28.70, Overvalued between 17.33 and 40.34, and Strongly Overvalued above 40.34. The current Forward EV/EBITDA of 0.00 falls within the Historic Trend Line -Fairly Valued range.
-21.22
EV/EBIT
Prothena Corporation PLC. (PRTA) has a current EV/EBIT of -21.22. The 5-year average EV/EBIT is -1.64. The thresholds are as follows: Strongly Undervalued below -37.64, Undervalued between -37.64 and -19.64, Fairly Valued between 16.35 and -19.64, Overvalued between 16.35 and 34.35, and Strongly Overvalued above 34.35. The current Forward EV/EBIT of -21.22 falls within the Undervalued range.
6.40
PS
Prothena Corporation PLC. (PRTA) has a current PS of 6.40. The 5-year average PS is 82.06. The thresholds are as follows: Strongly Undervalued below -251.39, Undervalued between -251.39 and -84.66, Fairly Valued between 248.78 and -84.66, Overvalued between 248.78 and 415.50, and Strongly Overvalued above 415.50. The current Forward PS of 6.40 falls within the Historic Trend Line -Fairly Valued range.
0.00
P/OCF
Prothena Corporation PLC. (PRTA) has a current P/OCF of 0.00. The 5-year average P/OCF is -7.06. The thresholds are as follows: Strongly Undervalued below -119.33, Undervalued between -119.33 and -63.19, Fairly Valued between 49.08 and -63.19, Overvalued between 49.08 and 105.21, and Strongly Overvalued above 105.21. The current Forward P/OCF of 0.00 falls within the Historic Trend Line -Fairly Valued range.
20.30
P/FCF
Prothena Corporation PLC. (PRTA) has a current P/FCF of 20.30. The 5-year average P/FCF is 12.36. The thresholds are as follows: Strongly Undervalued below -340.07, Undervalued between -340.07 and -163.85, Fairly Valued between 188.58 and -163.85, Overvalued between 188.58 and 364.79, and Strongly Overvalued above 364.79. The current Forward P/FCF of 20.30 falls within the Historic Trend Line -Fairly Valued range.
Prothena Corporation PLC (PRTA) has a current Price-to-Book (P/B) ratio of 2.04. Compared to its 3-year average P/B ratio of 2.89 , the current P/B ratio is approximately -29.47% higher. Relative to its 5-year average P/B ratio of 3.79, the current P/B ratio is about -46.20% higher. Prothena Corporation PLC (PRTA) has a Forward Free Cash Flow (FCF) yield of approximately 0.00%. Compared to its 3-year average FCF yield of -15.57%, the current FCF yield is approximately -100.00% lower. Relative to its 5-year average FCF yield of -9.82% , the current FCF yield is about -100.00% lower.
2.04
P/B
Median3y
2.89
Median5y
3.79
-31.30
FCF Yield
Median3y
-15.57
Median5y
-9.82
Competitors Valuation Multiple
The average P/S ratio for PRTA's competitors is 0.00, providing a benchmark for relative valuation. Prothena Corporation PLC Corp (PRTA) exhibits a P/S ratio of , which is NaN% above the industry average. Given its robust revenue growth of 148.97%, this premium appears sustainable.
P/S
P/E
EV/EBITDA
EV/EBIT
P/S
Revenue Growth
Market Cap
Performance Decomposition
1Y
3Y
5Y
Market capitalization of PRTA decreased by 19.42% over the past 1 year. The primary factor behind the change was an increase in Revenue Growth from 970.00K to 2.42M.
The secondary factor is the Margin Expansion, contributed -75.12%to the performance.
Overall, the performance of PRTA in the past 1 year is driven by Revenue Growth. Which is more sustainable.
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FAQ
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What is the current FCF Yield for Prothena Corporation PLC (PRTA) as of Dec 06 2025?
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