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Castle Biosciences, Inc. (CSTL)

NASDAQ

$32.74

$+0.38

(+1.17%)

Castle Biosciences, Inc. (CSTL) Live Price Chart

Page last updated: 2026-02-06 20:53:33

Key Market Data

Market Cap	$955.78M
Open	$32.99
High	$107.69
Low	$2.26
Previous Close	$32.40
Price Change	$+0.38
Percentage Change	+1.17%
Volume	556K

Castle Biosciences, Inc. (CSTL) Stock Price Today

Castle Biosciences, Inc. (CSTL) is currently trading at $32.75 as of 2026-02-06 20:53:33, reflecting a +1.17% move ($+0.38) from the previous close.

In the short term, the stock has returned -1,791.18% over the past four weeks. Over the last 12 months, Castle Biosciences, Inc. has recorded a +17.66% price change, indicating a stable performance relative to the broader market.

Castle Biosciences, Inc. (CSTL) 7-Day Stock Price Changes

Over the past seven days, Castle Biosciences, Inc. has traded within a short-term range shaped by market sentiment in the SERVICES-MEDICAL LABORATORIES sector. During this period, the stock moved from its previous closing price of $39.65 to the latest recorded price of $32.75, reflecting an intraday change of +1.17%. Daily movements highlight shifts in trading volume (556,322), investor positioning, and reactions to macroeconomic updates.

From a momentum standpoint, CSTL has delivered a -1,791.18% return over the past month and a +17.66% change in the last 12 months, indicating a stable trend relative to its broader sector peers.

How to Buy Castle Biosciences, Inc. (CSTL)

You can buy and trade CSTL on MEXC in three simple steps:

Step 1: Create and Verify Your MEXC Account

Sign up on MEXC and complete the required identity verification (KYC). This ensures full access to trading features and secure funding options.

Step 2: Deposit Funds Into Your Account

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Step 3: Search for CSTL and Execute Your Trade

Open the trading page, enter CSTL in the search bar, select the amount of CSTL you would like to purchase. Place a market order for instant execution or a limit order to buy at your target price.

What is Castle Biosciences, Inc. (CSTL)?

Castle Biosciences Inc is a molecular diagnostics company. The group provides test solutions for the diagnosis and treatment of dermatologic cancers, Barrett's esophagus (BE), and uveal melanoma. The product portfolio of the company includes DecisionDx-Melanoma, a risk stratification gene expression profile (GEP) test; DecisionDx-SCC, a risk stratification test for cutaneous squamous cell carcinoma; MyPath Melanoma, a diagnostic GEP test for use in patients with difficult-to-diagnose melanocytic lesions; and TissueCypher, a test to predict future development of progression of high-grade dysplasia and/or esophageal cancer. It also provides DecisionDx-UM, a risk stratification GEP test. The company also offers its products to the skin cancer and gastroenterology markets.

Castle Biosciences, Inc. Information

Industry	SERVICES-MEDICAL LABORATORIES
Employees	823
Sector	SERVICES-MEDICAL LABORATORIES
Company Website	https://www.castlebiosciences.com

Frequently Asked Questions (FAQ)

1.What is the current share price of Castle Biosciences, Inc.?

The latest trading price for Castle Biosciences, Inc. (Common Stock) is $ 32.75, compared with a previous closing price of $ 32.40. That means the stock has moved +1.17% so far today. Intraday price updates and recent trading activity for CSTL can be tracked on the live chart and quote section on this page.

2.Is Castle Biosciences, Inc. stock going up or down?

Looking at recent performances, CSTL has returned -1,791.18% over the past month, +70.90% over the last six months and +17.66% over the past year. These figures capture share-price changes only, not the impact of dividends. Together they describe stable price momentum for Castle Biosciences, Inc. stock, but keep in mind that past returns do not guarantee future results.

3.Where does CSTL currently sit relative to its 52-week high and low?

In the most recent 52-week period, Castle Biosciences, Inc. has traded between a low of $ 14.59 and a high of $ 44.28. This 52-week range helps show where today's share price sits relative to its recent highs and lows, and is often used by investors to judge stock volatility, potential support and resistance levels, and whether CSTL is currently nearer the top or the bottom of its one-year trading band.

4.How is Castle Biosciences, Inc. classified by sector and industry?

Castle Biosciences, Inc. is classified in the SERVICES-MEDICAL LABORATORIES sector, within the SERVICES-MEDICAL LABORATORIES industry group and the SERVICES-MEDICAL LABORATORIES industry. In practice, this means Castle Biosciences, Inc. is grouped with companies that face similar end-markets, competitive dynamics and regulatory environments. For investors, knowing CSTL's sector and industry classification helps when building diversified portfolios, comparing Castle Biosciences, Inc. with direct peers, and understanding how stock-specific risks such as -- may be influenced by broader trends in the SERVICES-MEDICAL LABORATORIES sector and SERVICES-MEDICAL LABORATORIES industry.

5.Where is Castle Biosciences, Inc. listed and how large is it by market value?

Castle Biosciences, Inc. is listed on the NASDAQ stock exchange in United States. Based on a market capitalization of $ 955.78M, the company is classified as a Small-cap stock. Market cap gives a quick sense of Castle Biosciences, Inc.'s size and importance in the equity market and is often used by investors and index providers when constructing portfolios or benchmarks.

6.What does CSTL's EPS tell investors about its profitability?

Trailing-twelve-month EPS of $ -0.42 summarises how much profit Castle Biosciences, Inc. has generated per share over the last year. Rising EPS over time can signal improving profitability or effective share repurchases, while flat or declining EPS may point to slower growth or margin pressure. EPS is a key input into valuation metrics such as P/E and is often monitored closely around earnings announcements.

7.How can I track Castle Biosciences, Inc.'s financial performance over time?

To follow Castle Biosciences, Inc.'s financial performance, investors typically review its quarterly and annual reports, which include detailed income statements, balance sheets and cash-flow statements. Combining these filings with key market data shown on this page—such as share price trends, P/E and dividend yield—provides a more complete view of how CSTL is performing and how the market is responding.

8.When is Castle Biosciences, Inc. expected to report earnings?

Castle Biosciences, Inc.'s next scheduled earnings release is currently expected on -- (the date may be updated by the company). Earnings announcements often act as important catalysts for CSTL, as they provide updated information on revenue, profitability and management's outlook.

9.What usually comes out in Castle Biosciences, Inc.'s earnings reports?

Castle Biosciences, Inc.'s earnings reports typically include headline figures such as revenue, net income and EPS, along with commentary on segment performance, margins, cash flow and guidance for future periods. Investors compare these results with market expectations and prior periods to assess whether CSTL is meeting, beating or missing expectations.

10.How can I stay informed about Castle Biosciences, Inc.'s results and guidance?

You can stay up to date on Castle Biosciences, Inc. by reviewing its quarterly earnings releases, listening to or reading transcripts of earnings calls, and following company news and filings. Pairing this fundamental information with the price and return data for CSTL on this page helps you see how new information is being reflected in the stock.

11.Does Castle Biosciences, Inc. pay a regular cash dividend to its shareholders?

Castle Biosciences, Inc. Non-paying. Based on the latest information, the stock has an indicated annual cash dividend of -- per share and a current dividend yield of 0 at the recent share price. Dividends are typically paid --, although the board can change the dividend policy at any time. Income-focused investors often monitor CSTL's dividend level, payment frequency and any announcements about future dividends when assessing the stock's appeal as a dividend-paying investment.

12.What are the current dividend yield and dividend payout ratio for CSTL?

Based on the latest earnings data, CSTL has a dividend yield of 0 and a dividend payout ratio of 0. The dividend yield shows how much cash return an investor receives from dividends each year relative to the current share price, helping assess whether Castle Biosciences, Inc. is an attractive income stock. The dividend payout ratio measures what percentage of earnings Castle Biosciences, Inc. distributes to shareholders as dividends versus how much it retains to reinvest in the business, which is an important indicator of dividend sustainability and room for future dividend growth.

13.What kind of business is Castle Biosciences, Inc.?

Castle Biosciences, Inc. is a publicly traded company in the SERVICES-MEDICAL LABORATORIES industry within the SERVICES-MEDICAL LABORATORIES sector. It generates revenue from products and services related to this core business area, and investors can find a detailed description of its operations, strategy and geographic exposure in the company's annual report and other regulatory filings.

14.How is CSTL valued in terms of P/E ratio and EPS?

Castle Biosciences, Inc. currently trades at a price-to-earnings (P/E) ratio of --, based on trailing-twelve-month earnings per share (EPS) of $ -0.42. P/E is calculated by dividing the share price by EPS and shows how much investors are paying today for each unit of Castle Biosciences, Inc.'s earnings. Comparing CSTL's P/E and EPS to those of other SERVICES-MEDICAL LABORATORIES companies can help investors judge whether its valuation looks rich or attractive.

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Disclaimer

The stock price information displayed on this page is provided for reference purposes only and may be delayed or differ from real-time market data. Prices, charts, and related metrics do not constitute investment advice and should not be relied upon for trading or investment decisions. MEXC is not responsible for any losses incurred based on the stock price information provided on this page. Please refer to official market sources or consult licensed financial professionals before making any investment decisions.

CSTL-to-USD Calculator

Amount

CSTL

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1 CSTL = 32.744 USD