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PTGX Valuation

Protagonist Therapeutics Inc
$
78.620
+0.77(0.989%)1D

PTGX Relative Valuation

PTGX'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, PTGX is overvalued; if below, it's undervalued.
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Historical Valuation

Protagonist Therapeutics Inc (PTGX) is now in the Overvalued zone, suggesting that its current forward PS ratio of 78.62 is considered Overvalued compared with the five-year average of -24.89. The fair price of Protagonist Therapeutics Inc (PTGX) is between 29.02 to 73.78 according to relative valuation methord. Compared to the current price of 78.62 USD , Protagonist Therapeutics Inc is Overvalued By 6.56%.
Relative Value
Fair Zone
29.02-73.78
Current Price:78.62
6.56%
Overvalued
-94.13
PE
1Y
3Y
5Y
Trailing
Forward
-97.57
EV/EBITDA
Protagonist Therapeutics Inc. (PTGX) has a current EV/EBITDA of -97.57. The 5-year average EV/EBITDA is 0.18. The thresholds are as follows: Strongly Undervalued below -90.15, Undervalued between -90.15 and -44.98, Fairly Valued between 45.35 and -44.98, Overvalued between 45.35 and 90.51, and Strongly Overvalued above 90.51. The current Forward EV/EBITDA of -97.57 falls within the Strongly Undervalued range.
-65.80
EV/EBIT
Protagonist Therapeutics Inc. (PTGX) has a current EV/EBIT of -65.80. The 5-year average EV/EBIT is 3.69. The thresholds are as follows: Strongly Undervalued below -127.37, Undervalued between -127.37 and -61.84, Fairly Valued between 69.22 and -61.84, Overvalued between 69.22 and 134.75, and Strongly Overvalued above 134.75. The current Forward EV/EBIT of -65.80 falls within the Undervalued range.
78.62
PS
Protagonist Therapeutics Inc. (PTGX) has a current PS of 78.62. The 5-year average PS is 41.49. The thresholds are as follows: Strongly Undervalued below -14.48, Undervalued between -14.48 and 13.50, Fairly Valued between 69.47 and 13.50, Overvalued between 69.47 and 97.46, and Strongly Overvalued above 97.46. The current Forward PS of 78.62 falls within the Overvalued range.
27.32
P/OCF
Protagonist Therapeutics Inc. (PTGX) has a current P/OCF of 27.32. The 5-year average P/OCF is 22.43. The thresholds are as follows: Strongly Undervalued below -290.10, Undervalued between -290.10 and -133.84, Fairly Valued between 178.69 and -133.84, Overvalued between 178.69 and 334.95, and Strongly Overvalued above 334.95. The current Forward P/OCF of 27.32 falls within the Historic Trend Line -Fairly Valued range.
310.54
P/FCF
Protagonist Therapeutics Inc. (PTGX) has a current P/FCF of 310.54. The 5-year average P/FCF is 33.57. The thresholds are as follows: Strongly Undervalued below -258.56, Undervalued between -258.56 and -112.50, Fairly Valued between 179.64 and -112.50, Overvalued between 179.64 and 325.71, and Strongly Overvalued above 325.71. The current Forward P/FCF of 310.54 falls within the Overvalued range.
Protagonist Therapeutics Inc (PTGX) has a current Price-to-Book (P/B) ratio of 7.31. Compared to its 3-year average P/B ratio of 4.26 , the current P/B ratio is approximately 71.52% higher. Relative to its 5-year average P/B ratio of 4.14, the current P/B ratio is about 76.56% higher. Protagonist Therapeutics Inc (PTGX) has a Forward Free Cash Flow (FCF) yield of approximately 0.76%. Compared to its 3-year average FCF yield of -2.48%, the current FCF yield is approximately -130.53% lower. Relative to its 5-year average FCF yield of -6.27% , the current FCF yield is about -112.11% lower.
7.31
P/B
Median3y
4.26
Median5y
4.14
0.76
FCF Yield
Median3y
-2.48
Median5y
-6.27
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Competitors Valuation Multiple

The average P/S ratio for PTGX's competitors is 79.22, providing a benchmark for relative valuation. Protagonist Therapeutics Inc Corp (PTGX) exhibits a P/S ratio of 78.62, which is -0.76% above the industry average. Given its robust revenue growth of 33.09%, this premium appears sustainable.
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Performance Decomposition

1Y
3Y
5Y
Market capitalization of PTGX increased by 79.50% over the past 1 year. The primary factor behind the change was an increase in P/E Change from 60.67 to 97.73.
The secondary factor is the Revenue Growth, contributed 33.09%to the performance.
Overall, the performance of PTGX in the past 1 year is driven by P/E Change. Which is more unsustainable.
33.09%
4.17M → 5.55M
Revenue Growth
+
-14.67%
-734.73 → -626.96
Margin Expansion
+
61.08%
60.67 → 97.73
P/E Change
=
79.50%
43.80 → 78.62
Mkt Cap Growth

FAQ

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Is Protagonist Therapeutics Inc (PTGX) currently overvalued or undervalued?

Protagonist Therapeutics Inc (PTGX) is now in the Overvalued zone, suggesting that its current forward PS ratio of 78.62 is considered Overvalued compared with the five-year average of -24.89. The fair price of Protagonist Therapeutics Inc (PTGX) is between 29.02 to 73.78 according to relative valuation methord. Compared to the current price of 78.62 USD , Protagonist Therapeutics Inc is Overvalued By 6.56% .
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What is Protagonist Therapeutics Inc (PTGX) fair value?

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How does PTGX's valuation metrics compare to the industry average?

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What is the current P/B ratio for Protagonist Therapeutics Inc (PTGX) as of Nov 03 2025?

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What is the current FCF Yield for Protagonist Therapeutics Inc (PTGX) as of Nov 03 2025?

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What is the current Forward P/E ratio for Protagonist Therapeutics Inc (PTGX) as of Nov 03 2025?

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What is the current Forward P/S ratio for Protagonist Therapeutics Inc (PTGX) as of Nov 03 2025?