CSTL (Castle Biosciences) GF Value : $33.03 (As of Apr. 01, 2025)

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What is Castle Biosciences GF Value?

As of today (2025-04-01), Castle Biosciences's share price is $19.78. Castle Biosciences's GF Value is $33.03. Therefore, Castle Biosciences's Price-to-GF-Value for today is 0.60. Based on the relationship between the current stock price and the GF Value, GuruFocus believes Castle Biosciences is Significantly Undervalued.

The GF Value represents the intrinsic value of a stock, determined using GuruFocus' proprietary methodology. The GF Value Line on our stock Summary page provides an estimate of the stock’s fair-trading value.

To calculate this value, GuruFocus follows these steps:

We analyze historical correlations between the stock price and key business performance metrics, such as revenue, earnings, cash flow, and book value.
We identify the metrics that have the strongest historical correlation with the stock price and determine the historical multiples at which the stock has traded relative to these metrics.
Using these historical multiples as a reference, we estimate the stock's fair value while accounting for future business growth. Adjustments may be made based on the company’s past returns and growth trends.

GuruFocus believes that the GF Value Line represents the fair value at which a stock should trade. Stock prices typically fluctuate around this line. If a stock’s price is significantly above the GF Value Line, it is considered overvalued, and its future returns are likely to be lower. Conversely, if the stock price is significantly below the GF Value Line, its future returns are likely to be higher.

Please note that "Possible Value Trap, Think Twice" applies to companies that appear significantly undervalued but are either experiencing a long-term business decline or facing financial distress.

Castle Biosciences (NAS:CSTL) GF Value Explanation

Based on the relationship between the current stock price and the GF Value, GuruFocus provides the following 6 ratings:

Posssible Evaluations	All-in-One Screener Examples (2)
Possible Value Trap, Think Twice (1)	Predictable Companies that possibly be Value Traps
Significantly Overvalued	Predictable Companies which are Significantly Overvalued
Modestly Overvalued	Predictable Companies which are Modestly Overvalued
Fairly Valued	Predictable High Quality Companies which are Fairly Valued
Modestly Undervalued (3)	Predictable High Quality Companies which are Modestly Undervalued
Significantly Undervalued (3)	Predictable High Quality Companies which are Significantly Undervalued

(1) "Possible Value Trap, Think Twice" applies to companies that appear significantly undervalued but are either experiencing a long-term business decline or facing financial distress.

(2) These are some simple examples. You can access our GF Valuation filter under All-in-One Screener’s Fundamental tab, and Price-to-GF-Value filter under Valuation Ratio tab and set your own criteria.

(3) A sufficient margin of safety exists only when the stock is undervalued.

Castle Biosciences's Price-to-GF-Value for today is calculated as

Price-to-GF-Value	=	Share Price	/	GF Value
	=	19.78	/	33.03
	=	0.60

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Castle Biosciences GF Value Related Terms

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Castle Biosciences Business Description

Industry

GURUFOCUS.COM » STOCK LIST » Healthcare » Medical Diagnostics & Research » Castle Biosciences Inc (NAS:CSTL) » Definitions » GF Value

Comparable Companies

Traded in Other Exchanges

N/A

Address

505 South Friendswood Drive, Suite 401, Friendswood, TX, USA, 77546

Website

https://www.castlebiosciences.com

Castle Biosciences Inc is a commercial-stage dermatological cancer company. It is focused on providing physicians and their patients with personalized, clinically actionable genomic information to make more accurate treatment decisions. The product portfolio of the company includes Cutaneous Melanoma, DecisionDx-Melanoma, DecisionDx-CMSeq, and DecisionDx-PRAME, among others. The company's test portfolio consists of test offerings to aid clinicians in the diagnosis and treatment of cancers or precancerous diagnoses in the fields of dermatology, gastroenterology, and ophthalmology and a pharmacogenomics ("PGx") test to guide optimal drug treatment for patients diagnosed with depression, anxiety, and other mental health conditions.

Executives

Derek J Maetzold	director, 10 percent owner, officer: Pres. & Chief Exec. Officer	820 S. FRIENDSWOOD DRIVE, SUITE 201, FRIENDSWOOD TX 77546
Frank Stokes	officer: Chief Financial Officer	C/O CASTLE BIOSCIENCES, 820 S. FRIENDSWOOD DRIVE, SUITE 201, FRIENDSWOOD TX 77546
Daniel Bradbury	director	BIOBRIT, LLC, 2223 AVENIDA DE LA PLAYA, SUITE 108, LA JOLLA CA 92037
Tobin W Juvenal	officer: Chief Commercial Officer	C/O CASTLE BIOSCIENCES, 505 S. FRIENDSWOOD DRIVE, SUITE 401, FRIENDSWOOD TX 77546
Kristen M Oelschlager	officer: Chief Operating Officer	C/O CASTLE BIOSCIENCES, 505 S. FRIENDSWOOD DRIVE, SUITE 401, FRIENDSWOOD TX 77546
Ellen Goldberg	director	C/O CASTLE BIOSCIENCES, INC., 505 S. FRIENDSWOOD DRIVE, SUITE 401, FRIENDSWOOD TX 77546
Tiffany Olson	director	C/O CASTLE BIOSCIENCES, INC., 505 S. FRIENDSWOOD DRIVE, SUITE 401, FRIENDSWOOD TX 77546
Bernhard E. Spiess	officer: Chief Operating Officer	C/O CASTLE BIOSCIENCES, INC., 820 S. FRIENDSWOOD DRIVE, SUITE 201, FRIENDSWOOD TX 77546
Kim Caple	director	C/O BIOSCIENCES, INC., 505 S. FRIENDSWOOD DRIVE, SUITE 401, FRIENDSWOOD TX 77546
David S Kabakoff	director, 10 percent owner	C/O SPIROS DEVELOPMENT CORP II INC, 7475 LUSK BLVD, SAN DIEGO CA 92121
Cook Joseph C. Iii	director, 10 percent owner	C/O CASTLE BIOSCIENCES, INC., 820 S. FRIENDSWOOD DRIVE, STE. 201, FRIENDSWOOD TX 77546
Mara G. Aspinall	director	7381 NORTH MOON SPIRIT LANE, TUCSON AZ 85718
Bonnie H Anderson	director	6000 SHORELINE COURT, SUITE 300, SOUTH SAN FRANCISCO CA 94080
Mgc Venture Partners 2013 Gp, Llc	10 percent owner	C/O MOUNTAIN GROUP CAPITAL, LLC, 3835 CLEGHORN AVE., SUITE 300, NASHVILLE TN 37203
Mgc Venture Partners 2013, L.p.	10 percent owner	C/O MOUNTAIN GROUP CAPITAL, LLC, 3835 CLEGHORN AVE., SUITE 300, NASHVILLE TN 37203