Castle Biosciences (CSTL) Debt Ratio (2018 - 2026)
Castle Biosciences' (CSTL) Debt Ratio came in at 0.02 for Q3 2026, down 2.5% from 0.02 a year earlier and down 3.1% from the prior quarter.
Powered by 
Analysis
Castle Biosciences (CSTL) Debt Ratio (2018 - 2026) Analysis & Trends
Since Q4 2018, Castle Biosciences has reported Debt Ratio for 18 quarters.
- In prior years, Castle Biosciences' Debt Ratio was 0.02 in FY2024.
- Quarterly Debt Ratio has run from a low of 0.02 in Q4 2025 to a high of 0.02 in Q1 2024 over five years.
- On a year-over-year basis, Debt Ratio has declined in each of the last seven quarters, with an average decline of 6.8% over the last seven quarters.
- According to Business Quant data, Debt Ratio for the three prior quarters was 0.02 (Q2 2026), 0.02 (Q1 2026) and 0.02 (Q4 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Debt Ratio (Qtr) |
|---|---|---|---|---|---|
| 1 | HCA Healthcare | 105.29 Bn | 103.13 Bn | 17.03 Bn | 0.80 |
| 2 | Natera | 46.06 Bn | 41.68 Bn | 513.47 Mn | 0.03 |
| 3 | Labcorp Holdings | 30.09 Bn | 28.19 Bn | 1.11 Bn | 0.32 |
| 4 | Quest Diagnostics | 28.58 Bn | 26.66 Bn | 1.04 Bn | 0.32 |
| 5 | Guardant Health | 20.44 Bn | 16.05 Bn | 236.15 Mn | - |
| 6 | BrightSpring Health Services | 14.16 Bn | 11.04 Bn | 518.55 Mn | 0.35 |
| 7 | Encompass Health | 13.83 Bn | 14.29 Bn | 1.54 Bn | 0.34 |
| 8 | Tempus AI | 12.69 Bn | 9.84 Bn | 266.70 Mn | - |
| 9 | Davita | 11.06 Bn | 9.92 Bn | 1.13 Bn | 0.60 |
| 10 | Castle Biosciences | 1.04 Bn | -65.97 Mn | 78.97 Mn | 0.02 |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 0.02 |
| Jun 30, 2026 | 0.02 |
| Mar 31, 2026 | 0.02 |
| Dec 31, 2025 | 0.02 |
| Sep 30, 2025 | 0.02 |
| Jun 30, 2025 | 0.02 |
| Mar 31, 2025 | 0.02 |
| Dec 31, 2024 | 0.02 |
| Sep 30, 2024 | 0.02 |
| Jun 30, 2024 | 0.02 |
| Mar 31, 2024 | 0.02 |
| Sep 30, 2020 | 0.11 |
| Jun 30, 2020 | 0.12 |
| Mar 31, 2020 | 0.21 |
| Dec 31, 2019 | 0.21 |
| Sep 30, 2019 | 0.22 |
| Jun 30, 2019 | 0.87 |
| Dec 31, 2018 | 1.09 |
API Access
Castle Biosciences Debt Ratio 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=debt-ratio&ticker=CSTL&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "debt-ratio", "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=debt-ratio&ticker=CSTL&period=max&api_key=YOUR_API_KEY");
const data = await res.json();