24.58

2.31% -0.58

After Hours: 24.58

Castle Biosciences Inc (CSTL)

Overview News Price History Option Chain Financials Why CSTL Down? Discussions Forecast

Castle Biosciences Inc stock is traded at $24.58, with a volume of 492.89K. It is down -2.31% in the last 24 hours and down -1.68% over the past month. 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. The company derives revenues through the delivery of test reports for its molecular diagnostic tests.

Previous Close:

$25.16

Open:

$25.19

24h Volume:

492.89K

Relative Volume:

1.33

Market Cap:

$744.67M

Revenue:

$344.23M

Net Income/Loss:

$-24.16M

P/E Ratio:

-29.02

EPS:

-0.8471

Net Cash Flow:

$28.33M

1W Performance:

+0.86%

1M Performance:

-1.68%

6M Performance:

+5.04%

1Y Performance:

+16.27%

1-Day Range:

$24.37

$25.71

1-Week Range:

$24.14

$25.71

52-Week Range:

$14.59

$44.28

Castle Biosciences Inc Stock (CSTL) Company Profile

Name

Castle Biosciences Inc

Sector

Healthcare (1113)

Industry

Diagnostics & Research (52)

Phone

866-788-9007

Address

1500 W. PARKWOOD AVE., FRIENDSWOOD, TX

Employee

883

Twitter

@castlebio

Next Earnings Date

2026-05-06

Latest SEC Filings

CSTL's Discussions on Twitter

Compare CSTL vs TMO, DHR, IDXX, A, WAT

Stocks	Price	Market Cap	Revenue	Net Income	Cash Flow	EPS
CSTL Castle Biosciences Inc	24.58	762.25M	344.23M	-24.16M	28.33M	-0.8471
TMO Thermo Fisher Scientific Inc	524.57	195.48B	44.56B	6.72B	6.29B	17.74
DHR Danaher Corp	194.54	138.36B	24.57B	3.60B	5.26B	5.051
IDXX Idexx Laboratories Inc	569.01	46.31B	4.30B	1.06B	1.04B	13.08
A Agilent Technologies Inc	122.09	34.18B	7.07B	1.29B	993.00M	4.5355
WAT Waters Corp	335.23	32.95B	3.17B	642.63M	516.49M	10.77

Castle Biosciences Inc Stock (CSTL) Upgrades & Downgrades

Date	Action	Analyst	Rating Change
Dec-14-23	Initiated	Guggenheim	Buy
Jan-05-23	Initiated	Scotiabank	Sector Outperform
Jan-07-22	Initiated	Stephens	Overweight
Apr-30-21	Initiated	Lake Street	Buy
Nov-10-20	Initiated	KeyBanc Capital Markets	Overweight
Dec-27-19	Reiterated	Canaccord Genuity	Buy
Aug-19-19	Initiated	BTIG Research	Buy
Aug-19-19	Initiated	Canaccord Genuity	Buy
Aug-19-19	Initiated	Robert W. Baird	Outperform
Aug-19-19	Initiated	SVB Leerink	Outperform

View All

Castle Biosciences Inc Stock (CSTL) Latest News

Apr 21, 2026

Castle Biosciences to present melanoma test data at conferences By Investing.com - Investing.com Canada

Apr 21, 2026

New data suggest some early melanomas carry higher relapse risk - Stock Titan

Apr 21, 2026

Apr 20, 2026

Laboratory teams drive progress in skin cancer diagnostics at Castle Biosciences - Traders Union

Apr 20, 2026

CSTL Maintained by Canaccord Genuity -- Price Target Lowered to $40 - GuruFocus

Apr 20, 2026

(CSTL) as a Liquidity Pulse for Institutional Tactics - Stock Traders Daily

Apr 20, 2026

Apr 17, 2026

Castle Biosciences, Inc. (NASDAQ:CSTL) Given Consensus Recommendation of "Moderate Buy" by Analysts - MarketBeat

Apr 17, 2026

Apr 16, 2026

Castle Biosciences to Release First Quarter 2026 Financial Results and Host Webcast on Wednesday, May 6, 2026 - Sahm

Apr 16, 2026

Apr 15, 2026

Castle Biosciences inks expansion at Nova Place - WPXI

Apr 15, 2026

Apr 13, 2026

Castle Biosciences inks expansion at Nova Place on North SidePittsburgh Business Times - The Business Journals

Apr 13, 2026

Apr 11, 2026

Aug EndMonth: How sensitive is Castle Biosciences Inc to inflationShare Buyback & AI Enhanced Trading Signals - baoquankhu1.vn

Apr 11, 2026

Apr 10, 2026

Castle Biosciences (NASDAQ:CSTL) Shares Down 7%What's Next? - MarketBeat

Apr 10, 2026

Castle Biosciences Earns 2026 USA TODAY Top Workplaces Award for Fifth Consecutive Year - Bitget

Apr 10, 2026

Apr 09, 2026

Castle Biosciences, Inc.Common stock (NQ: CSTL - The Chronicle-Journal

Apr 09, 2026

Castle Biosciences CEO sells shares worth $246,195 By Investing.com - Investing.com Australia

Apr 09, 2026

Breakouts Watch: Does Castle Biosciences Inc have declining or rising EPSEarnings Miss & Fast Gain Swing Alerts - baoquankhu1.vn

Apr 09, 2026

Apr 08, 2026

Ideas Watch: Can Castle Biosciences Inc deliver alphaWeekly Trade Report & AI Forecasted Stock Moves - baoquankhu1.vn

Apr 08, 2026

Insider Selling: Castle Biosciences (NASDAQ:CSTL) Insider Sells 6,214 Shares of Stock - MarketBeat

Apr 08, 2026

Castle Biosciences CEO sells shares worth $246,195 - Investing.com

Apr 08, 2026

Castle Biosciences (CSTL) CEO pre-planned sale of 9,836 shares after option exercise - Stock Titan

Apr 08, 2026

Strong 2025 revenue and governance focus in Castle Biosciences (CSTL) proxy - Stock Titan

Apr 08, 2026

Apr 06, 2026