Castle Biosciences (CSTL) Debt Ratio (2018 - 2026)
Castle Biosciences' (CSTL) quarterly Debt Ratio came in at 0.02 in Q2 2026, up 5.23% year-over-year from 0.02 in Q2 2025, and up 8.09% quarter-over-quarter from 0.02 in Q1 2026.
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Analysis
Castle Biosciences (CSTL) Debt Ratio (2018 - 2026) Analysis & Trends
Castle Biosciences has disclosed Debt Ratio across 7 years of filings, most recently posting 0.02 for Q2 2026.
- In Q2 2026, Debt Ratio rose 5.23% year-over-year to 0.02; the TTM figure through Jun 2026 stood at 0.02 (up 5.23% YoY), while the FY2025 annual figure was 0.02, down 6.64% from the prior year.
- Debt Ratio came in at 0.02 for Q2 2026 at Castle Biosciences, up from 0.02 in the prior quarter.
- In the past five years, Debt Ratio ranged from a high of 0.05 in Q1 2022 to a low of 0.02 in Q3 2025.
- Average Debt Ratio over 4 years is 0.02, with a median of 0.02 recorded in 2026.
- The largest YoY upside for Debt Ratio was 7.12% in 2025 against a maximum downside of 8.26% in 2025.
- Over 4 years, Debt Ratio stood at 0.05 in 2022, then tumbled by 58.67% to 0.02 in 2024, then fell by 6.64% to 0.02 in 2025, then gained by 27.88% to 0.02 in 2026.
- Per Business Quant data, the three most recent Debt Ratio figures were 0.02 in Q2 2026, 0.02 in Q1 2026, and 0.02 in Q4 2025.
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Debt Ratio (Qtr) |
|---|---|---|---|---|---|
| 1 | Natera | 53.05 Bn | 51.95 Bn | 486.15 Mn | 0.06 |
| 2 | Quest Diagnostics | 27.19 Bn | 26.87 Bn | 1.03 Bn | 0.33 |
| 3 | Labcorp Holdings | 25.93 Bn | 25.81 Bn | 1.11 Bn | 0.32 |
| 4 | Guardant Health | 23.97 Bn | 22.91 Bn | 219.03 Mn | - |
| 5 | Tempus AI | 13.64 Bn | 12.82 Bn | 274.25 Mn | - |
| 6 | Caris Life Sciences | 8.47 Bn | 7.68 Bn | 182.38 Mn | 0.32 |
| 7 | Sotera Health | 5.35 Bn | 4.99 Bn | 177.96 Mn | 0.65 |
| 8 | BillionToOne | 4.96 Bn | 4.41 Bn | 77.11 Mn | 0.12 |
| 9 | Adaptive Biotechnologies | 4.55 Bn | 4.21 Bn | 51.39 Mn | - |
| 10 | Castle Biosciences | 1.08 Bn | 811.36 Mn | 79.85 Mn | 0.02 |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| 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 |
| Mar 31, 2022 | 0.05 |
| 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 | 0.98 |
| 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();