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Stock comparison · Signal date 2026-11-06

PTGX vs SYRE: stock comparison and AI forecast

Protagonist Therapeutics, Inc (PTGX) and Spyre Therapeutics, Inc. (SYRE) compared on price performance, valuation, profitability and the daily AI forecast. · Alpha · vs market

Share
Nasdaq · Pharmaceutical Preparations

PTGX Protagonist Therapeutics, Inc

Price
$132.04 +33.6% · 6M
Market Cap
$8.54B
P/E Ratio
33.6x
Size
mid-cap
AI Forecast
Full analysis →
Nasdaq · Pharmaceutical Preparations

SYRE Spyre Therapeutics, Inc.

Price
$103.86 +42.1% · 6M
Market Cap
$9.16B
P/E Ratio
–
Size
mid-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 · 2026-05-07 → 2026-11-06

Six-month price performance

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

90105120135150
PTGX +33.6% SYRE +42.1%
PTGX · SYRE

Key facts

  • PTGX and SYRE have similar market capitalizations ($8.54B and $9.16B).
  • Over the last six months SYRE returned +42.1% and PTGX +33.6%.
  • PTGX carries 0.06 times debt per unit of equity, against 0.05 times for SYRE.
  • Both companies share the SEC industry classification Pharmaceutical Preparations.
Fundamentals

Fundamentals side by side

Trailing twelve months.

Valuation & Market

MetricPTGXSYRE
Market Cap$8.54B$9.16B
P/E Ratio33.60x–
P/B Ratio7.88x8.71x
EPS$3.93$-2.19
Book Value/Share$16.77$11.93
Revenue/Share$3.39–
FCF/Share$1.69–

Profitability & Margins

MetricPTGXSYRE
ROE31.6%-25.1%
ROA29.9%-24.0%
ROIC29.6%-23.6%
Operating Margin147.1%–
Net Margin155.8%–
EBT Margin158.4%–
Tax Rate2.3%0.0%

Financial Health

MetricPTGXSYRE
Current Ratio19.85x27.40x
D/E Ratio0.06x0.05x
Financial Leverage1.06x1.05x
Working Capital$1.05B$1.06B

Cash Flow

MetricPTGXSYRE
Operating Cash Flow$110M-$249M
Free Cash Flow$109M–
Capital Spending-$760K–
OCF Growth YoY67.9%–
FCF Growth YoY71.3%–
FCF/Sales49.7%–
CapEx/Sales0.3%–

Operational Efficiency

MetricPTGXSYRE
Asset Turnover0.19x–
Fixed Assets Turnover66.1x–

Income Statement

MetricPTGXSYRE
Total Revenue$220M–
Operating Income$323M-$250M
Net Income$342M-$264M
R&D Expense$176M$260M

Dividend & Shareholder Information

MetricPTGXSYRE
Shares Outstanding65M88M
Net Income Growth645.5%–
EPS Growth182.7%–
FAQ

PTGX vs SYRE: stock comparison and AI forecast

Which is bigger, PTGX or SYRE?

PTGX and SYRE have similar market capitalizations ($8.54B and $9.16B).

Which stock performed better over the last six months, PTGX or SYRE?

Over the last six months SYRE returned +42.1% and PTGX +33.6%.

Which one does Intratio's AI model rank higher, PTGX or SYRE?

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.

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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.