Logo image of CSTL

CASTLE BIOSCIENCES INC (CSTL) Stock Overview

USA - NASDAQ:CSTL - US14843C1053 - Common Stock

23.08 USD
-0.58 (-2.45%)
Last: 10/10/2025, 9:19:19 PM
23.08 USD
0 (0%)
After Hours: 10/10/2025, 9:19:19 PM

CSTL Key Statistics, Chart & Performance

Key Statistics
52 Week High35.84
52 Week Low14.59
Market Cap669.55M
Shares29.01M
Float28.17M
Yearly DividendN/A
Dividend YieldN/A
EPS(TTM)0.36
PE64.11
Fwd PEN/A
Earnings (Next)11-03 2025-11-03/amc
IPO07-25 2019-07-25
Sector
GICS SectorHealth Care
GICS IndustryHealth Care Providers & Services
GICS IndustryGroupHealth Care Equipment & Services
GICS SubIndustryHealth Care Services


CSTL short term performance overview.The bars show the price performance of CSTL in the last week, last 2 weeks, last month, last 3 and 6 months. 1 week 2 week 1 month 3 months 6 months 5 10 15

CSTL long term performance overview.The bars show the price performance of CSTL in the last 1, 2 and 3 years. 1 year 2 years 3 years 0 20 -20 40

The current stock price of CSTL is 23.08 USD. In the past month the price increased by 7.75%. In the past year, price decreased by -26.29%.

CASTLE BIOSCIENCES INC / CSTL Daily stock chart

CSTL Latest News, Press Relases and Analysis

CSTL Competitors/Peers

The largest stocks on the US markets in the "Health Care Services" sub-industry
Full List
Symbol
Company Name
TA
FA
PE
Market Cap
CVS CVS HEALTH CORP 12.29 98.80B
CI THE CIGNA GROUP 10.71 80.27B
LH LABCORP HOLDINGS INC 18.35 23.09B
DGX QUEST DIAGNOSTICS INC 19.46 20.58B
BTSGU BRIGHTSPRING HEALTH SERV - BTSG 6 3/4 02/01/27 131.01 17.17B
FMS FRESENIUS MEDICAL CARE-ADR 13.34 15.74B
HIMS HIMS & HERS HEALTH INC 67.44 12.19B
DVA DAVITA INC 12.8 8.87B
GH GUARDANT HEALTH INC N/A 8.01B
CHE CHEMED CORP 19.22 6.27B
RDNT RADNET INC 196.11 5.43B
BTSG BRIGHTSPRING HEALTH SERVICES 38.32 5.02B

About CSTL

Company Profile

CSTL logo image Castle Biosciences, Inc.is a molecular diagnostics company offering innovative test solutions to aid clinicians in the diagnosis and treatment of dermatologic cancers, barrett’s esophagus, uveal melanoma, and in the treatment of mental health conditions. The company is headquartered in Friendswood, Texas and currently employs 761 full-time employees. The company went IPO on 2019-07-25. The firm offers five commercially available proprietary multi-analyte assays with algorithmic analysis (MAAA) tests for use in the fields of dermatology, gastroenterology and ophthalmology. The company also offers a proprietary pharmacogenomic (PGx) test to guide optimal drug treatment for patients diagnosed with depression, anxiety and other mental health conditions. Its products include DecisionDx-Melanoma, DecisionDx-SCC, MyPath Melanoma, TissueCypher, IDgenetix, and DecisionDx-UM. DecisionDx-SCC is its proprietary gene expression profile (GEP) test for use in patients with cutaneous squamous cell carcinoma (SCC). The company also focused on chronic acid reflux related diseases, including esophageal cancer.

Company Info

CASTLE BIOSCIENCES INC

505 S Friendswood Drive, Suite 401

Friendswood TEXAS 77546 US

CEO: Derek J. Maetzold

Employees: 761

CSTL Company Website

CSTL Investor Relations

Phone: 18667889007

CASTLE BIOSCIENCES INC / CSTL FAQ

What is the stock price of CASTLE BIOSCIENCES INC today?

The current stock price of CSTL is 23.08 USD. The price decreased by -2.45% in the last trading session.


What is the ticker symbol for CASTLE BIOSCIENCES INC stock?

The exchange symbol of CASTLE BIOSCIENCES INC is CSTL and it is listed on the Nasdaq exchange.


On which exchange is CSTL stock listed?

CSTL stock is listed on the Nasdaq exchange.


What is the price forecast or stock price prediction for CASTLE BIOSCIENCES INC stock?

14 analysts have analysed CSTL and the average price target is 36.34 USD. This implies a price increase of 57.44% is expected in the next year compared to the current price of 23.08. Check the CASTLE BIOSCIENCES INC stock analysts ratings, price target forecast and up-and down grades for more detailed information.


What is CASTLE BIOSCIENCES INC worth?

CASTLE BIOSCIENCES INC (CSTL) has a market capitalization of 669.55M USD. This makes CSTL a Small Cap stock.


How many employees does CASTLE BIOSCIENCES INC have?

CASTLE BIOSCIENCES INC (CSTL) currently has 761 employees.


What are the support and resistance levels for CASTLE BIOSCIENCES INC (CSTL) stock?

CASTLE BIOSCIENCES INC (CSTL) has a support level at 22.97 and a resistance level at 23.29. Check the full technical report for a detailed analysis of CSTL support and resistance levels.


Is CASTLE BIOSCIENCES INC (CSTL) expected to grow?

The Revenue of CASTLE BIOSCIENCES INC (CSTL) is expected to decline by -3.02% in the next year. Check the estimates tab for more information on the CSTL EPS, Sales, EBIT and EBITDA future analyst estimates.


Should I buy CASTLE BIOSCIENCES INC (CSTL) stock?

There is no straightforward answer here. It depends on your investment strategy as different types of investors will look at different aspects. In any case it is important to make an informed decision and these pages can help you forming an opinion:


Does CASTLE BIOSCIENCES INC (CSTL) stock pay dividends?

CSTL does not pay a dividend.


When does CASTLE BIOSCIENCES INC (CSTL) report earnings?

CASTLE BIOSCIENCES INC (CSTL) will report earnings on 2025-11-03, after the market close.


What is the Price/Earnings (PE) ratio of CASTLE BIOSCIENCES INC (CSTL)?

The PE ratio for CASTLE BIOSCIENCES INC (CSTL) is 64.11. This is based on the reported non-GAAP earnings per share of 0.36 and the current share price of 23.08 USD. Check the full fundamental report for a full analysis of the valuation metrics for CSTL.


What is the Short Interest ratio of CASTLE BIOSCIENCES INC (CSTL) stock?

The outstanding short interest for CASTLE BIOSCIENCES INC (CSTL) is 6.37% of its float. Check the ownership tab for more information on the CSTL short interest.


CSTL Technical Analysis

ChartMill assigns a technical rating of 7 / 10 to CSTL. When comparing the yearly performance of all stocks, CSTL is a bad performer in the overall market: 70.58% of all stocks are doing better.


Chartmill TA Rating
Chartmill Setup Rating

CSTL Fundamental Analysis

ChartMill assigns a fundamental rating of 4 / 10 to CSTL. CSTL has a great financial health rating, but its profitability evaluates not so good.


Chartmill FA Analysis
Valuation
Growth
Profitability
Health
Dividend

CSTL Financial Highlights

Over the last trailing twelve months CSTL reported a non-GAAP Earnings per Share(EPS) of 0.36. The EPS increased by 357.14% compared to the year before.


Industry RankSector Rank
PM (TTM) N/A
ROA -1.74%
ROE -2.08%
Debt/Equity 0.02
Chartmill High Growth Momentum
EPS Q2Q%-51.61%
Sales Q2Q%-0.94%
EPS 1Y (TTM)357.14%
Revenue 1Y (TTM)20.41%

CSTL Forecast & Estimates

14 analysts have analysed CSTL and the average price target is 36.34 USD. This implies a price increase of 57.44% is expected in the next year compared to the current price of 23.08.

For the next year, analysts expect an EPS growth of -395.59% and a revenue growth -3.02% for CSTL


Analysts
Analysts88.57
Price Target36.34 (57.45%)
EPS Next Y-395.59%
Revenue Next Year-3.02%

CSTL Ownership

Ownership
Inst Owners93.13%
Ins Owners2.7%
Short Float %6.37%
Short Ratio3.41