CASTLE BIOSCIENCES INC (CSTL) Financial Ratio Screen

NASDAQ Healthcare United States USD 700M
RATIOS FAIL*
Automated financial screen · activity assessed separately
CASTLE BIOSCIENCES INC (CSTL) is potentially non-compliant in the automated ratio model. While the debt ratio of 6.4% is acceptable, the cash and interest-bearing securities ratio of 51.8% exceeds the 30% threshold. CASTLE BIOSCIENCES INC operates in the Healthcare sector.

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MSCI new-inclusion financial-ratio snapshot

CSTL financial screening at a glance

RATIOS FAIL*Financial ratios shown separately from business review — not a fatwa
Debt ratio
6.4%
Pass vs 30%
Cash ratio
51.8%
Fail vs 30%
Receivables + cash
59.3%
Fail vs 30%
Impermissible income
3.4%
Pass vs 5%

Calculation date: 2026-08-31. Financial period used: December 2025. The ratios are automated proxies inspired by published methodologies; they are not official index determinations.

Independent method comparison

What the available screens say

How MSCI, FTSE and S&P-style screens differ
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MSCI-styleFinancial criteria not metAt least one available ratio exceeds its threshold
FTSE/Yasaar-styleFinancial criteria not metAt least one available ratio exceeds its threshold
S&P-style provisionalNot yet availableRequired denominator or financial data is incomplete
Business activityAssessment pendingFinancial results do not determine business permissibility
Complete screening result: not yet completeA complete result requires both supported financial criteria and adequate activity evidence. This site does not issue a fatwa or official index decision.
Financial periodDecember 2025Calculation date2026-08-31S&P-style historynot availableLast activity reviewnot yet reviewed

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Business activity evidence

Activity assessment in progress

The supplied classification (Diagnostics & Research) is only a starting point. Revenue evidence is being assessed before any complete screening conclusion.

Revenue segments: Not yet checked against an SEC annual filing.

Profile description reviewed: 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.

Sources to verify: Secondary company profile and classification · Issuer website · SEC issuer filings

A sector label or company description can flag a risk but cannot establish a compliant-revenue percentage. Only sourced segment disclosures may support that calculation.

Published-ratio reproductions (not certifications)

The table shows implemented MSCI and FTSE/Yasaar-style asset-based models plus a provisional S&P-style leverage reconstruction where a complete 36-month denominator exists. These are independent calculations, not official index results or Shariah determinations. See formulas, sources and limitations.

Based on financial data from December 2025

Standard Debt Ratio Cash Ratio Receivables Income Status
MSCI 6.4%
/ 30%
51.8%
/ 30%
59.3%
/ 30%
3.42%
/ 5%
RATIOS FAIL*
FTSE 6.4%
/ 33%
51.8%
/ 33%
59.3%
/ 50%
3.42%
/ 5%
RATIOS FAIL*

Financial Highlights

EPS
$-0.83
P/B Ratio
1.5
EV/EBITDA
-214.4
EV: $437M
Revenue
$344M
Growth: 0.8%
Beta
1.1
Average volatility
Current Ratio
5.3

Profitability

Gross Margin 79.4%
Operating Margin -4.4%
Net Margin -7.0%
Return on Equity (ROE) -5.2%
Return on Assets (ROA) -2.6%

Cash Flow & Balance Sheet

Operating Cash Flow$64M
Free Cash Flow$28M
Total Debt$37M
Debt-to-Equity7.9
Current Ratio5.3
Total Assets$579M

Price & Trading

Last Close$24.70
50-Day MA$31.85
200-Day MA$27.81
Avg Volume401K
Beta1.1
52-Week Range
$14.59
$44.28

Financial data provenance and verification

The displayed fields were imported from yfinance on 2026-03-29 for the financial period December 2025. This is a secondary data feed and can differ from amended or newly filed statements.

Verification rule: check debt, cash, receivables, revenue and interest income against the latest primary filing before relying on an automated ratio.

About CASTLE BIOSCIENCES INC (CSTL)

CEO
Mr. Derek J. Maetzold
Employees
883
Sector
Healthcare
Industry
Diagnostics & Research
Country
United States
Exchange
NASDAQ
Market Cap (listing currency)
USD 700M
Currency
USD

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.

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Frequently Asked Questions

Is CASTLE BIOSCIENCES INC (CSTL) halal to invest in?

The current automated result is Financial criteria not met or an activity exclusion was detected. It uses available public financial fields and simplified methodology proxies. It is not a fatwa or an official determination by AAOIFI, DJIM, MSCI, S&P, or FTSE.

What is CASTLE BIOSCIENCES INC's debt ratio?

CASTLE BIOSCIENCES INC's debt ratio is 6.4% in the MSCI new-inclusion reproduction: total debt divided by total assets, against a 30% threshold. See the methodology page for the official source and limitations.

What are CASTLE BIOSCIENCES INC's key financial metrics?

CASTLE BIOSCIENCES INC has a market capitalization of USD 700M in its listing currency, and revenue of $344M. The company maintains a gross margin of 79.4% and a net margin of -7.0%. Return on equity stands at -5.2%.

How often is the screening data updated?

Calculation date: 2026-08-31. Financial period: December 2025. These dates are shown separately because regenerating this page does not refresh the underlying data.

Disclaimer: HalalStockGuide.com provides Shariah compliance screening for educational and informational purposes only. This is not a fatwa, financial advice, or a recommendation to buy or sell any security. Screening results are based on publicly available financial data and established methodologies. Always consult a qualified Islamic scholar and a licensed financial advisor before making investment decisions.