Castle Biosciences, Inc.

CSTL · NASDAQ
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$39.43−$0.175 (−0.44%)
At close:Dec 19, 2025, 8:40 PM UTC
$39.43+$0.00 (+0%)
After hours:Dec 19, 2025, 8:40 PM UTC
P/E TTM-120.42
P/B TTM2.5
P/S TTM3.32
Dividend Yield0%
EPS-$0.44
Beta1.144
Valuation
PEG Ratio1.20
FCF Yield3.00%
EV / EBITDA44.19
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Quality
ROIC-4.28%
Gross Margin80.27%
Cash Conv. Ratio-6.60
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Growth
Revenue 3Y CAGR34.32%
FCF Growth289.85%
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Safety
Net Debt / EBITDA-1.79
Interest Coverage-69.64
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Efficiency
Inventory Turnover8.16
Cash Conv. Cycle29.41
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Castle Biosciences, Inc. (CSTL) stock FAQs

Quick answers sourced from live Financial Modeling Prep fundamentals and AlphaPilot portfolio guidance.

What is Castle Biosciences, Inc. (CSTL) stock price today?

As of Dec 19, 2025, 8:40 PM UTC, Castle Biosciences, Inc. (CSTL) stock is trading at $39.43. The stock price is quoted in USD and refreshes in real-time throughout the trading day. AlphaPilot provides live market data powered by Financial Modeling Prep's institutional-grade API, ensuring you get accurate and up-to-date CSTL stock quotes for informed trading decisions.

What is Castle Biosciences, Inc.'s market capitalization?

Castle Biosciences, Inc. (CSTL) has a market capitalization of approximately $1.2B. Market cap is calculated by multiplying the current share price by the total number of outstanding shares. This valuation metric helps investors compare Castle Biosciences, Inc.'s size relative to other companies in the USD market. The market cap figure updates automatically as the CSTL stock price changes.

What is the 52-week range for Castle Biosciences, Inc. stock?

Castle Biosciences, Inc. (CSTL) stock has traded in a 52-week range of $14.59 — $40.61. The 52-week range shows the highest and lowest prices at which CSTL traded over the past year, helping investors assess price volatility and identify potential support and resistance levels. Comparing the current Castle Biosciences, Inc. stock price to this range provides context for recent price action.

How much trading volume does Castle Biosciences, Inc. stock have?

Castle Biosciences, Inc. (CSTL) stock recently traded approximately 142.9K shares. Trading volume indicates market liquidity and investor interest in CSTL. Higher volume typically suggests active participation and can signal important price movements or news catalysts affecting Castle Biosciences, Inc. stock.

Does Castle Biosciences, Inc. pay dividends to shareholders?

Yes, Castle Biosciences, Inc. (CSTL) currently offers a dividend yield of approximately 0%. Dividend yield is calculated by dividing the company's annual dividend payments by the current stock price, expressed as a percentage. This metric helps income-focused investors evaluate Castle Biosciences, Inc. stock's potential for generating passive income. Dividend data reflects the trailing twelve months (TTM) of distributions.

What is Castle Biosciences, Inc.'s intraday price range?

Today, Castle Biosciences, Inc. (CSTL) stock has traded in a range of $39.15 — $39.87. The intraday range represents the lowest and highest prices reached during the current trading session. Monitoring CSTL's intraday volatility helps traders identify entry and exit points, while comparing it to the 52-week range provides perspective on short-term versus long-term price movements.

Where does AlphaPilot get Castle Biosciences, Inc. stock data?

AlphaPilot sources real-time CSTL stock quotes, fundamental financial data, and historical price charts for Castle Biosciences, Inc. from Financial Modeling Prep's institutional-grade API. This enterprise data feed provides live market prices during trading hours, along with comprehensive fundamentals that update after each earnings release, SEC filing, or corporate action. The Castle Biosciences, Inc. stock summary page combines intraday price movements with key metrics like P/E ratio, market cap, dividend yield, and balance sheet data to give investors a complete view of CSTL stock performance.