Castle Biosciences (CSTL) EPS (Diluted) (2018 - 2026)
Castle Biosciences (CSTL) posted EPS (Diluted) of -$0.13 for Q3 2026, compared with -$0.02 a year earlier.
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Analysis
Castle Biosciences (CSTL) EPS (Diluted) (2018 - 2026) Analysis & Trends
For the trailing twelve months through Sep 30, 2026, EPS (Diluted) at Castle Biosciences was -$0.75; for FY2025, it came in at -$0.83.
- In prior years, Castle Biosciences' EPS (Diluted) was $0.62 in FY2024, -$2.14 in FY2023, -$2.58 in FY2022 and -$1.24 in FY2021.
- Quarterly EPS (Diluted) has run from a low of -$1.10 in Q1 2023 to a high of $0.33 in Q4 2024 over five years.
- According to Business Quant data, EPS (Diluted) for the three prior quarters was -$0.07 (Q2 2026), -$0.49 (Q1 2026) and -$0.08 (Q4 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | EPS (Diluted) (Qtr) |
|---|---|---|---|---|---|
| 1 | HCA Healthcare | 105.29 Bn | 103.13 Bn | 17.03 Bn | 7.27 |
| 2 | Natera | 46.06 Bn | 41.68 Bn | 513.47 Mn | -0.42 |
| 3 | Labcorp Holdings | 30.09 Bn | 28.19 Bn | 1.11 Bn | 3.22 |
| 4 | Quest Diagnostics | 28.58 Bn | 26.66 Bn | 1.04 Bn | 2.79 |
| 5 | Guardant Health | 20.44 Bn | 16.05 Bn | 236.15 Mn | -0.93 |
| 6 | BrightSpring Health Services | 14.16 Bn | 11.04 Bn | 518.55 Mn | 0.45 |
| 7 | Encompass Health | 13.83 Bn | 14.29 Bn | 1.54 Bn | 1.50 |
| 8 | Tempus AI | 12.69 Bn | 9.84 Bn | 266.70 Mn | -0.08 |
| 9 | Davita | 11.06 Bn | 9.92 Bn | 1.13 Bn | 3.40 |
| 10 | Castle Biosciences | 1.04 Bn | -65.97 Mn | 78.97 Mn | -0.13 |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | -0.13 |
| Jun 30, 2026 | -0.07 |
| Mar 31, 2026 | -0.49 |
| Dec 31, 2025 | -0.08 |
| Sep 30, 2025 | -0.02 |
| Jun 30, 2025 | 0.15 |
| Mar 31, 2025 | -0.90 |
| Dec 31, 2024 | 0.33 |
| Sep 30, 2024 | 0.08 |
| Jun 30, 2024 | 0.31 |
| Mar 31, 2024 | -0.09 |
| Dec 31, 2023 | -0.10 |
| Sep 30, 2023 | -0.26 |
| Jun 30, 2023 | -0.70 |
| Mar 31, 2023 | -1.10 |
| Dec 31, 2022 | -0.79 |
| Sep 30, 2022 | -0.77 |
| Jun 30, 2022 | -0.06 |
| Mar 31, 2022 | -0.97 |
| Dec 31, 2021 | -0.26 |
API Access
Castle Biosciences EPS (Diluted) API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=eps-diluted&ticker=CSTL&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "eps-diluted", "ticker": "CSTL", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=eps-diluted&ticker=CSTL&period=max&api_key=YOUR_API_KEY");
const data = await res.json();