Positive News SentimentPositive NewsNASDAQ:CSTL Castle Biosciences (CSTL) Stock Price, News & Analysis $20.28 +0.28 (+1.37%) As of 07/3/2025 01:04 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Stock Analysis Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock About Castle Biosciences Stock (NASDAQ:CSTL) 30 days 90 days 365 days Advanced Chart View Price History Chart DataSkip Price History Chart Get Castle Biosciences alerts:Sign Up Key Stats Today's Range$20.00▼$20.5250-Day Range$15.80▼$20.4252-Week Range$15.45▼$35.84Volume166,047 shsAverage Volume425,387 shsMarket Capitalization$585.63 millionP/E RatioN/ADividend YieldN/APrice Target$37.00Consensus RatingBuy Company Overview Castle Biosciences, Inc., a molecular diagnostics company, provides testing solutions for the diagnosis and treatment of dermatologic cancers, Barrett's esophagus, uveal melanoma, and mental health conditions. It offers DecisionDx-Melanoma, a risk stratification gene expression profile (GEP) test to identify the risk of metastasis for patients diagnosed with invasive cutaneous melanoma; DecisionDx-SCC, a proprietary risk stratification GEP test for patients with cutaneous squamous cell carcinoma; MyPath Melanoma, a test used for patients with difficult-to-diagnose melanocytic lesions; and TissueCypher, a spatial omics test to predict future development of high-grade dysplasia and/or esophageal cancer in patients with non-dysplastic, indefinite dysplasia, or low-grade dysplasia Barrett's esophagus. In addition, the company provides DecisionDx-UM test, a proprietary risk stratification GEP test that predicts the risk of metastasis for patients with uveal melanoma; and IDgenetix, a pharmacogenomic test that helps guide drug treatment for major depressive disorder, schizophrenia, bipolar disorder, anxiety disorders, social phobia, obsessive-compulsive personality disorder, post-traumatic stress disorder, and attention deficit hyperactivity disorder. It offers its products to skin cancer, gastroenterology, and mental health markets. The company was incorporated in 2007 and is headquartered in Friendswood, Texas. Read More Castle Biosciences Stock Analysis - MarketRank™See Top-Rated MarketRank™ Stocks61st Percentile Overall ScoreCSTL MarketRank™: Castle Biosciences scored higher than 61% of companies evaluated by MarketBeat, and ranked 398th out of 929 stocks in the medical sector. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation. Analyst's Opinion3.5 / 5Analyst RatingBuy Consensus RatingCastle Biosciences has received a consensus rating of Buy. The company's average rating score is 3.00, and is based on 8 buy ratings, no hold ratings, and no sell ratings.Amount of Analyst CoverageCastle Biosciences has only been the subject of 3 research reports in the past 90 days.Read more about Castle Biosciences' stock forecast and price target. Earnings and Valuation0.0 / 5Proj. Earnings GrowthDecreasing Earnings GrowthEarnings for Castle Biosciences are expected to decrease in the coming year, from $0.44 to ($1.51) per share.Price to Earnings Ratio vs. the MarketThe P/E ratio of Castle Biosciences is -106.76, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.Price to Earnings Ratio vs. SectorThe P/E ratio of Castle Biosciences is -106.76, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.Price to Book Value per Share RatioCastle Biosciences has a P/B Ratio of 1.25. P/B Ratios below 3 indicates that a company is reasonably valued with respect to its assets and liabilities.Read more about Castle Biosciences' valuation and earnings. Short Interest4.0 / 5Short Interest LevelHealthy Percentage of Shares Shorted4.63% of the float of Castle Biosciences has been sold short.Short Interest Ratio / Days to CoverCastle Biosciences has a short interest ratio ("days to cover") of 3, which is generally considered an acceptable ratio of short interest to trading volume.Change versus previous monthShort interest in Castle Biosciences has recently decreased by 0.79%, indicating that investor sentiment is improving. Dividend0.0 / 5Dividend StrengthN/A Dividend YieldCastle Biosciences does not currently pay a dividend.Dividend GrowthCastle Biosciences does not have a long track record of dividend growth. Sustainability and ESGN/AEnvironmental ScoreN/A Percentage of Shares Shorted4.63% of the float of Castle Biosciences has been sold short.Short Interest Ratio / Days to CoverCastle Biosciences has a short interest ratio ("days to cover") of 3, which is generally considered an acceptable ratio of short interest to trading volume.Change versus previous monthShort interest in Castle Biosciences has recently decreased by 0.79%, indicating that investor sentiment is improving. News and Social Media2.6 / 5News SentimentN/A News SentimentCastle Biosciences has a news sentiment score of 1.67. This score is calculated as an average of sentiment of articles about the company over the last seven days and ranges from 2 (good news) to -2 (bad news). This is a higher news sentiment than the 0.54 average news sentiment score of Medical companies.News Coverage This WeekMarketBeat has tracked 1 news article for Castle Biosciences this week, compared to 5 articles on an average week.Search InterestOnly 1 people have searched for CSTL on MarketBeat in the last 30 days. This is a decrease of -67% compared to the previous 30 days. Company Ownership2.5 / 5Insider TradingSelling Shares Insider Buying vs. Insider SellingIn the past three months, Castle Biosciences insiders have sold more of their company's stock than they have bought. Specifically, they have bought $0.00 in company stock and sold $30,865.00 in company stock.Percentage Held by InsidersOnly 6.50% of the stock of Castle Biosciences is held by insiders.Percentage Held by Institutions92.60% of the stock of Castle Biosciences is held by institutions. High institutional ownership can be a signal of strong market trust in this company.Read more about Castle Biosciences' insider trading history. Receive CSTL Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Castle Biosciences and its competitors with MarketBeat's FREE daily newsletter. Email Address CSTL Stock News HeadlinesCastle Biosciences, Inc. (CSTL) - Yahoo FinanceJune 25, 2025 | finance.yahoo.comCastle Biosciences, Inc.: Castle Biosciences Reports Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)June 19, 2025 | finanznachrichten.deElon’s BIGGEST warning yet?Tesla's About to Prove Everyone Wrong... Again Back in 2018, when Jeff Brown told everyone to buy Tesla… The "experts" said Elon was finished and Tesla was headed for bankruptcy. Now they're saying the same thing, but Jeff has uncovered Tesla's next breakthrough.July 5 at 2:00 AM | Brownstone Research (Ad)Castle Biosciences Reports Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)June 19, 2025 | globenewswire.comCastle Biosciences partners with SciBase for diagnostic testsJune 17, 2025 | msn.comCastle Biosciences Enters Collaboration and License Agreement with SciBase to Develop Diagnostic Tests for Dermatologic DiseasesJune 16, 2025 | globenewswire.comCastle Biosciences' Chief Executive Officer Derek Maetzold to Participate in Panel Discussion During the 2025 BIO International ConventionJune 11, 2025 | globenewswire.comCastle Biosciences’ Founder, President and CEO Derek Maetzold Honored with Prestigious Lifetime Achievement Award by The American Business Awards®June 4, 2025 | finance.yahoo.comSee More Headlines CSTL Stock Analysis - Frequently Asked Questions How have CSTL shares performed this year? Castle Biosciences' stock was trading at $26.65 on January 1st, 2025. Since then, CSTL shares have decreased by 23.9% and is now trading at $20.2850. How were Castle Biosciences' earnings last quarter? Castle Biosciences, Inc. (NASDAQ:CSTL) released its quarterly earnings results on Monday, May, 5th. The company reported ($0.20) earnings per share (EPS) for the quarter, missing the consensus estimate of ($0.08) by $0.12. The business had revenue of $87.99 million for the quarter, compared to analysts' expectations of $80.40 million. Castle Biosciences had a negative net margin of 1.46% and a positive trailing twelve-month return on equity of 3.41%. Read the conference call transcript. When did Castle Biosciences IPO? Castle Biosciences (CSTL) raised $50 million in an IPO on Thursday, July 25th 2019. The company issued 3,300,000 shares at a price of $14.00-$16.00 per share. SVB Leerink and Baird acted as the underwriters for the IPO and Canaccord Genuity and BTIG were co-managers. How do I buy shares of Castle Biosciences? Shares of CSTL stock can be purchased through any online brokerage account. Popular online brokerages with access to the U.S. stock market include Charles Schwab, E*TRADE, Fidelity, and Vanguard Brokerage Services. What other stocks do shareholders of Castle Biosciences own? Based on aggregate information from My MarketBeat watchlists, some other companies that Castle Biosciences investors own include NVIDIA (NVDA), Meta Platforms (META), CrowdStrike (CRWD), PayPal (PYPL), Adobe (ADBE), Advanced Micro Devices (AMD) and Broadcom (AVGO). Company Calendar Last Earnings5/05/2025Today7/04/2025Next Earnings (Estimated)8/04/2025Fiscal Year End12/31/2025Get Stock AlertsIndustry, Sector and Symbol Stock ExchangeNASDAQ SectorMedical Industry MED - BIOMED/GENE Sub-IndustryHealthcare Current SymbolNASDAQ:CSTL CIK1447362 Webcastlebiosciences.com Phone(866) 788-9007FaxN/AEmployees540Year FoundedN/APrice Target and Rating Average Stock Price Target$37.00 High Stock Price Target$41.00 Low Stock Price Target$30.00 Potential Upside/Downside+82.4%Consensus RatingBuy Rating Score (0-4)3.00 Research Coverage8 Analysts Profitability EPS (Trailing Twelve Months)($0.19) Trailing P/E RatioN/A Forward P/E Ratio46.10 P/E GrowthN/ANet Income$18.25 million Net Margins-1.46% Pretax Margin-0.64% Return on Equity3.41% Return on Assets2.95% Debt Debt-to-Equity Ratio0.02 Current Ratio9.37 Quick Ratio9.19 Sales & Book Value Annual Sales$332.07 million Price / Sales1.76 Cash Flow$0.98 per share Price / Cash Flow20.63 Book Value$16.28 per share Price / Book1.25Miscellaneous Outstanding Shares28,870,000Free Float26,995,000Market Cap$585.63 million OptionableOptionable Beta1.10 Beginner's Guide To Retirement StocksEnter your email address and we'll send you MarketBeat's list of seven best retirement stocks and why they should be in your portfolio. 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