Castle Biosciences (CSTL) EBIT Margin (2018 - 2026)
Castle Biosciences' EBIT Margin was -2.65% in Q3 2026, up 5.54 percentage points from -8.19% a year earlier and up 0.31 percentage points from the prior quarter.
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Analysis
Castle Biosciences (CSTL) EBIT Margin (2018 - 2026) Analysis & Trends
On a trailing twelve-month basis, Castle Biosciences' EBIT Margin was -7.43% through Sep 30, 2026, up 2.73 percentage points year-over-year; for FY2025, it came in at -12.44%, down 15.05 percentage points from FY2024.
- EBIT Margin shows a five-year change of -1.99 percentage points (FY2020 to FY2025).
- In earlier years, EBIT Margin was 2.61% in FY2024 (+33.54 pp), -30.93% in FY2023 (+22.24 pp), -53.16% in FY2022 (-10.56 pp) and -42.60% in FY2021 (-32.16 pp).
- The Q3 2026 figure marks the highest quarterly EBIT Margin since Q4 2024.
- Compared with a year earlier, EBIT Margin has increased for three straight quarters, with an average year-over-year change of -3.46 percentage points over the last eight quarters.
- The best year-over-year quarter for EBIT Margin over five years was Q1 2024 (a gain of 67.49 percentage points); the worst was Q1 2022 (a drop of 72.52 percentage points).
- Per Business Quant data, CSTL's EBIT Margin in the three quarters before Q3 2026 was -2.96% (Q2 2026), -22.00% (Q1 2026) and -4.40% (Q4 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | EBIT Margin (Qtr) |
|---|---|---|---|---|---|
| 1 | HCA Healthcare | 105.29 Bn | 103.13 Bn | 17.03 Bn | 15.00% |
| 2 | Natera | 46.06 Bn | 41.68 Bn | 513.47 Mn | -8.60% |
| 3 | Labcorp Holdings | 30.09 Bn | 28.19 Bn | 1.11 Bn | 10.55% |
| 4 | Quest Diagnostics | 28.58 Bn | 26.66 Bn | 1.04 Bn | 15.47% |
| 5 | Guardant Health | 20.44 Bn | 16.05 Bn | 236.15 Mn | -36.78% |
| 6 | BrightSpring Health Services | 14.16 Bn | 11.04 Bn | 518.55 Mn | 3.81% |
| 7 | Encompass Health | 13.83 Bn | 14.29 Bn | 1.54 Bn | 13.86% |
| 8 | Tempus AI | 12.69 Bn | 9.84 Bn | 266.70 Mn | -13.82% |
| 9 | Davita | 11.06 Bn | 9.92 Bn | 1.13 Bn | 13.95% |
| 10 | Castle Biosciences | 1.04 Bn | -65.97 Mn | 78.97 Mn | -2.65% |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | -2.65% |
| Jun 30, 2026 | -2.96% |
| Mar 31, 2026 | -22.00% |
| Dec 31, 2025 | -4.40% |
| Sep 30, 2025 | -8.19% |
| Jun 30, 2025 | -4.93% |
| Mar 31, 2025 | -31.74% |
| Dec 31, 2024 | 4.69% |
| Sep 30, 2024 | 5.92% |
| Jun 30, 2024 | 5.76% |
| Mar 31, 2024 | -7.50% |
| Dec 31, 2023 | -8.56% |
| Sep 30, 2023 | -15.68% |
| Jun 30, 2023 | -42.20% |
| Mar 31, 2023 | -74.99% |
| Dec 31, 2022 | -59.55% |
| Sep 30, 2022 | -58.19% |
| Jun 30, 2022 | -11.40% |
| Mar 31, 2022 | -91.30% |
| Dec 31, 2021 | -60.59% |
API Access
Castle Biosciences EBIT Margin 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=ebit-margin&ticker=CSTL&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "ebit-margin", "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=ebit-margin&ticker=CSTL&period=max&api_key=YOUR_API_KEY");
const data = await res.json();