Intratio
Loading...
Skip to main content
Stock comparison · Signal date 2026-11-05

BDSX vs CSTL: stock comparison and AI forecast

Biodesix Inc (BDSX) and Castle Biosciences Inc (CSTL) compared on price performance, valuation, profitability and the daily AI forecast. · Alpha · vs market

Share
Nasdaq · Services-Medical Laboratories

BDSX Biodesix Inc

Price
$21.49 +43.3% · 6M
Market Cap
$227M
P/E Ratio
–
Size
small-cap
AI Forecast
Full analysis →
Nasdaq · Services-Medical Laboratories

CSTL Castle Biosciences Inc

Price
$35.75 +44.4% · 6M
Market Cap
$1.09B
P/E Ratio
–
Size
small-cap
AI Forecast
Full analysis →
Model output

Which one does the AI model favor?

Intratio's model scores both stocks every trading day. Sign in to see their current direction; the exact ratings and forecasts come with a plan or a free follow slot.

6M · 2026-05-06 → 2026-11-05

Six-month price performance

Closing prices rebased to 100 at the start of the window.

90120150180
BDSX +43.3% CSTL +44.4%
BDSX · CSTL

Key facts

  • CSTL is 4.8 times larger than BDSX by market capitalization ($1.09B against $227M).
  • Over the last six months CSTL returned +44.4% and BDSX +43.3%.
  • CSTL turns -5.4% of its revenue into net income, against -27.0% for BDSX.
  • BDSX carries 9.42 times debt per unit of equity, against 0.19 times for CSTL.
  • Both companies share the SEC industry classification Services-Medical Laboratories.
Fundamentals

Fundamentals side by side

Trailing twelve months.

Valuation & Market

MetricBDSXCSTL
Market Cap$227M$1.09B
P/B Ratio24.80x2.32x
EPS$-2.18$-1.05
Book Value/Share$0.87$15.39
Revenue/Share$9.76$11.70
FCF/Share$-1.92$-0.02

Profitability & Margins

MetricBDSXCSTL
ROE-303.6%-4.1%
ROA-29.1%-3.5%
ROIC-25.8%-6.4%
Gross Margin–77.3%
Operating Margin-20.0%-9.0%
Net Margin-27.0%-5.4%
EBT Margin-20.0%-9.0%
Tax Rate0.0%-0.7%

Financial Health

MetricBDSXCSTL
Current Ratio2.85x6.04x
Quick Ratio–5.85x
D/E Ratio9.42x0.19x
Financial Leverage10.42x1.19x
Interest Coverage-2.7x-16.6x
Working Capital$28M$285M

Cash Flow

MetricBDSXCSTL
Operating Cash Flow-$20M$43M
Free Cash Flow-$20M-$490K
Capital Spending-$410K-$43M
OCF Growth YoY–-31.8%
FCF Growth YoY–-101.4%
FCF/Sales-19.7%-0.1%
CapEx/Sales0.4%12.1%

Operational Efficiency

MetricBDSXCSTL
Asset Turnover1.08x0.64x
Receivables Turnover11.3x7.4x
Inventory Turnover–7.7x
Fixed Assets Turnover4.3x3.4x
Days Sales Outstanding32 days49 days
Days Inventory–48 days
Payables Period–43 days
Cash Conversion Cycle–53 days

Income Statement

MetricBDSXCSTL
Total Revenue$103M$357M
Operating Income-$21M-$32M
Net Income-$28M-$19M
R&D Expense$12M$55M
SG&A Expense$93M$244M
Cost of Goods Sold–$81M

Dividend & Shareholder Information

MetricBDSXCSTL
Shares Outstanding11M31M
EPS Growth–-328.3%
FAQ

BDSX vs CSTL: stock comparison and AI forecast

Which is bigger, BDSX or CSTL?

CSTL is 4.8 times larger than BDSX by market capitalization ($1.09B against $227M).

Which stock performed better over the last six months, BDSX or CSTL?

Over the last six months CSTL returned +44.4% and BDSX +43.3%.

Which one does Intratio's AI model rank higher, BDSX or CSTL?

Intratio's model scores both stocks every trading day. Sign in to see their current direction; the exact ratings and forecasts come with a plan or a free follow slot.

Compare

More comparisons

This analysis is generated automatically using our proprietary AI systems and should not be considered personalized investment advice. Past performance does not guarantee future results. Always conduct your own research and consider consulting a financial advisor before making investment decisions.