Castle Biosciences (CSTL) Cost of Revenue (2018 - 2026)
Castle Biosciences' Cost of Revenue was $23.7 million in Q2 2026, up 34.5% from $17.63 million a year earlier and up 15.4% from the prior quarter.
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Castle Biosciences (CSTL) Cost of Revenue (2018 - 2026) Analysis & Trends
On a trailing twelve-month basis, Castle Biosciences' Cost of Revenue was $81.25 million through Jun 30, 2026, up 23.5% year-over-year; for FY2025, it was $71.03 million, up 18.0% from FY2024.
- Cost of Revenue has now increased for seven consecutive years, with a five-year compound annual growth rate of 49.0% (FY2020 to FY2025).
- In earlier years, Cost of Revenue was $60.21 million in FY2024 (+33.8%), $44.98 million in FY2023 (+40.5%), $32.01 million in FY2022 (+102.3%) and $15.82 million in FY2021 (+63.4%).
- The Q2 2026 figure marks the highest quarterly Cost of Revenue in data going back to Q2 2018.
- Compared with a year earlier, Cost of Revenue has increased for 29 straight quarters, with growth averaging 25.0% over the last eight quarters.
- The year-over-year growth in Cost of Revenue has ranged between 13.2% (Q4 2025) and 107.9% (Q2 2022) over the last five years.
- Per Business Quant data, CSTL's Cost of Revenue in the three quarters before Q2 2026 was $20.53 million (Q1 2026), $18.32 million (Q4 2025) and $18.7 million (Q3 2025).
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Castle Biosciences Cost of Revenue 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=cost-of-revenue&ticker=CSTL&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "cost-of-revenue", "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=cost-of-revenue&ticker=CSTL&period=max&api_key=YOUR_API_KEY");
const data = await res.json();