Castle Biosciences CSTL
NASDAQ CSTL
$34.37 +1.22 (+3.68%)
At close: Oct 21, 2026 · 4:00 PM EDT

Castle Biosciences (CSTL) Debt Ratio (2018 - 2026)

Updated

Castle Biosciences' (CSTL) Debt Ratio came in at 0.02 for Q2 2026, down 2.6% from 0.02 a year earlier and down 2.3% from the prior quarter.

Analysis

Castle Biosciences (CSTL) Debt Ratio (2018 - 2026) Analysis & Trends

Since Q4 2018, Castle Biosciences has reported Debt Ratio for 17 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 six quarters, with an average decline of 7.6% over the last six quarters.
  • According to Business Quant data, Debt Ratio for the three prior quarters was 0.02 (Q1 2026), 0.02 (Q4 2025) and 0.02 (Q3 2025).
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Debt Ratio (Qtr)
1 HCA Healthcare 101.22 Bn 97.23 Bn - 0.79
2 Natera 59.29 Bn 54.98 Bn 485.19 Mn 0.03
3 Quest Diagnostics 26.56 Bn 24.69 Bn 1.03 Bn 0.33
4 Labcorp Holdings 26.41 Bn 24.16 Bn 1.11 Bn 0.32
5 Tenet Healthcare 22.49 Bn 11.49 Bn - 0.43
6 Guardant Health 22.12 Bn 18.19 Bn 219.03 Mn -
7 BrightSpring Health Services 12.91 Bn 11.24 Bn 492.75 Mn 0.37
8 Fresenius Medical Care AG 12.56 Bn 4.51 Bn 1.52 Bn 15.15
9 Tempus AI 12.17 Bn 9.20 Bn 246.50 Mn -
10 Castle Biosciences 1.05 Bn -67.48 Mn 79.85 Mn 0.02
Historic Data

Historic Data

Download Data
DateValue
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_KEY