Historical Valuation
Castle Biosciences Inc (CSTL) is now in the Fair zone, suggesting that its current forward PS ratio of 3.52 is considered Fairly compared with the five-year average of -18.00. The fair price of Castle Biosciences Inc (CSTL) is between 16.77 to 123.13 according to relative valuation methord.
Relative Value
Fair Zone
16.77-123.13
Current Price：39.43
Fair
P/E
EV/EBITDA
EV/EBIT
P/S
P/OCF
P/FCF
1Y
3Y
5Y
Trailing
Forward
Castle Biosciences Inc (CSTL) has a current Price-to-Book (P/B) ratio of 2.41. Compared to its 3-year average P/B ratio of 1.52 , the current P/B ratio is approximately 58.09% higher. Relative to its 5-year average P/B ratio of 2.06, the current P/B ratio is about 16.59% higher. Castle Biosciences Inc (CSTL) has a Forward Free Cash Flow (FCF) yield of approximately 2.26%. Compared to its 3-year average FCF yield of -1.15%, the current FCF yield is approximately -295.61% lower. Relative to its 5-year average FCF yield of -1.95% , the current FCF yield is about -215.74% lower.
P/B
Median3y
1.52
Median5y
2.06
FCF Yield
Median3y
-1.15
Median5y
-1.95
Competitors Valuation Multiple
AI Analysis for CSTL
The average P/S ratio for CSTL competitors is 6.36, providing a benchmark for relative valuation. Castle Biosciences Inc Corp (CSTL.O) exhibits a P/S ratio of 3.52, which is -44.7% above the industry average. Given its robust revenue growth of -3.19%, this premium appears unsustainable.
Performance Decomposition
AI Analysis for CSTL
1Y
3Y
5Y
Market capitalization of CSTL increased by 0.00% over the past 1 year. The primary factor behind the change was an decrease in Unknown from 0.00 to 0.00.
The secondary factor is the Unknown, contributed 0.00%to the performance.
Overall, the performance of CSTL in the past 1 year is driven by Unknown.
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Frequently Asked Questions
Is CSTL currently overvalued or undervalued?
Castle Biosciences Inc (CSTL) is now in the Fair zone, suggesting that its current forward PS ratio of 3.52 is considered Fairly compared with the five-year average of -18.00. The fair price of Castle Biosciences Inc (CSTL) is between 16.77 to 123.13 according to relative valuation methord.
What is Castle Biosciences Inc (CSTL) fair value?
CSTL'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. The fair price of Castle Biosciences Inc (CSTL) is between 16.77 to 123.13 according to relative valuation methord.
How does CSTL's valuation metrics compare to the industry average?
The average P/S ratio for CSTL's competitors is 6.36, providing a benchmark for relative valuation. Castle Biosciences Inc Corp (CSTL) exhibits a P/S ratio of 3.52, which is -44.70% above the industry average. Given its robust revenue growth of -3.19%, this premium appears unsustainable.
What is the current P/B ratio for Castle Biosciences Inc (CSTL) as of Jan 10 2026?
As of Jan 10 2026, Castle Biosciences Inc (CSTL) has a P/B ratio of 2.41. This indicates that the market values CSTL at 2.41 times its book value.
What is the current FCF Yield for Castle Biosciences Inc (CSTL) as of Jan 10 2026?
As of Jan 10 2026, Castle Biosciences Inc (CSTL) has a FCF Yield of 2.26%. This means that for every dollar of Castle Biosciences Inc’s market capitalization, the company generates 2.26 cents in free cash flow.
What is the current Forward P/E ratio for Castle Biosciences Inc (CSTL) as of Jan 10 2026?
As of Jan 10 2026, Castle Biosciences Inc (CSTL) has a Forward P/E ratio of -26.15. This means the market is willing to pay $-26.15 for every dollar of Castle Biosciences Inc’s expected earnings over the next 12 months.
What is the current Forward P/S ratio for Castle Biosciences Inc (CSTL) as of Jan 10 2026?
As of Jan 10 2026, Castle Biosciences Inc (CSTL) has a Forward P/S ratio of 3.52. This means the market is valuing CSTL at $3.52 for every dollar of expected revenue over the next 12 months.