As of 2026-03-25, the Fair Value of Castle Biosciences Inc (CSTL) is -4.06 USD. This value is based on the Peter Lynch's Fair Value formula. With the current market price of 25.35 USD, the upside of Castle Biosciences Inc is -116.03%.
With the market price of 25.35 USD and our fair value calculation, Castle Biosciences Inc (CSTL) is not a good investment. Investing in CSTL stocks now will result in a potential loss of 116.03%.
Note: valuation result may not be accurate due to the company's negative EPS.
Peter Lynch's formula is:
The earnings growth rate we use in the formula is the average growth rate of net income/earnings over the last 5 years. If the average growth rate is smaller than 5%, we set it to 5%. If it is larger than 25%, we set it to 25%. If the TTM EPS is negative, Peter Lynch Fair Value's result can be unreliable.
| Historical Earnings | ||||||
| 2021-12-31 | 2022-12-31 | 2023-12-31 | 2024-12-31 | 2025-12-31 | 5Y Avg | |
| Net income | -31.30 | -67.10 | -57.47 | 18.25 | -24.16 | -32.36 |
| YoY growth | -203.88% | -114.38% | 14.36% | 131.75% | -232.41% | -80.91% |
| Market Cap (mil) | 753.66 |
| P/E | |
| Forward P/E |
| EPS | -0.81 |
| Avg earnings growth rate | -80.91% |
| TTM earnings | -24.16 |