Stock Evaluator: Castle Biosciences, Inc. (CSTL)

Castle Biosciences, Inc. CSTL

$32.32 3.29 11.33%
August 19, 2026 4:00:00 PM EST November 10, 2021 Volume: 451,917
After Hours: $120.37   0.15  |  0.12% November 10, 2021 7:59 PM EST Volume: 72,713
USD NASD | DELAYED PRICE
SECTOR INDUSTRY
Health Care Health Care Providers & Services

A+ Stock Grade Summary:

VALUE:
GROWTH:
MOMENTUM:
EPS REVISIONS:
QUALITY:
COMPANY SUMMARY
Castle Biosciences, Inc., a molecular diagnostics company, provides test solutions for the diagnosis and treatment of dermatologic cancers, Barrett’s esophagus (BE), atopic dermatitis (AD), and uveal melanoma. The company offers DecisionDx-Melanoma, a risk stratification gene expression profile (GEP) test that predicts the likelihood of a positive sentinel lymph node and the risk of metastasis for patients with invasive cutaneous melanoma; TissueCypher, a risk stratification spatialomics test to predict future development of high-grade dysplasia and/or esophageal cancer in patients with non-dysplastic, indefinite dysplasia, and low-grade dysplasia BE; AdvanceAD-Tx, a non-invasive GEP test which is designed to guide systemic treatment selection for patients aged 12 years and older with moderateto-severe AD; DecisionDx-SCC, a GEP test for cutaneous squamous cell carcinoma; and MyPath Melanoma, a diagnostic GEP test for use in patients with difficult-to-diagnose melanocytic lesions. It also provides DecisionDx-UM, a risk stratification GEP test that predicts the risk of metastasis for patients with uveal melanoma. The company offers its products to dermatology and gastroenterology markets. The company was incorporated in 2007 and is headquartered in Friendswood, Texas.

Commentary & Analysis


Financial Summary

Share Statistics CSTL Industry
Median
Percentile
(All Stocks)
Market Cap (Mil) $987.4 $1,958.8 45%
Shares Out (Mil) 30.4 77.7 37%
Institutional Ownership 97.2% 86.1% 73%
Float (Mil) 27.1 52.1 34%
Beta na 0.76 na
Avg Daily Volume (000s) 413 637 55%
Price Change
(52-week)
57.2% 79.4% 82%
Growth CSTL Industry
Median
Percentile
(All Stocks)
Sales (5yr) 40.6% 10.9% 94%
Net Income (5yr) (18.6%) (1.6%) 21%
EPS (5yr) (8.9%) 0.3% 22
Dividends (5yr) 0.0% 0.0% 0%
Cash Flow (5yr) (14.9%) (17.9%) 53%
Estimates Qtrly Current
Fiscal
Year
Next
Fiscal
Year
# of Estimates 9 9 9
Current EPS ($0.358) ($1.272) ($0.989)
Month Ago EPS ($0.301) ($1.417) ($0.957)
# Rev Up 2 1 1
# Rev Down 3 0 0
Three Months Ago EPS ($0.280) ($1.359) ($0.901)
Year/Year Chg 411.4% 52.7% (56.5%)
Financials CSTL Industry
Median
Percentile
(All Stocks)
Sales (TTM) (Mil) $357 $1,504 38%
Net Income (TTM) (Mil) ($19) $28 24%
EPS (TTM) ($0.654) $0.200 25%
Operating Cash Flow (TTM) (Mil) $43 $162 45%
Net Cash Flow (TTM) (Mil) ($20) $9 26%
Long-Term Debt (Q1) (Mil) $32 $338 36%
Enterprise Value (Q1) (Mil) na $2,445 na
Valuation CSTL Industry
Median
Percentile
(All Stocks)
P/B 2.10 2.78 52%
P/E na 26.0 na
Dividend Yield 0.0% 0.0% 0%
PEG (5yr hist) na 1.1 na
Ratios CSTL Industry
Median
Percentile
(All Stocks)
Gross Margin 77.3% 27.8% 87%
Net Margin (5.4%) 1.2% 25%
ROA (3.5%) 2.2% 32%
ROE (4.2%) 7.2% 31%
Liabilities to Assets 16.2% 58.6% 10%
F-Score 3 5 18%

Castle Biosciences, Inc. did not pass any screens on 8/19/2026.

Price and market data provided by QuoteMedia and delayed a minimum of 15 minutes unless otherwise indicated. Fundamental data provided by AAII's Stock Investor Pro and S&P Global Market Intelligence and are updated through the previous trading day.

Ⓒ 2026 American Association of Individual Investors