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Stock comparison · Signal date 2026-11-10

KNSA vs PTGX: stock comparison and AI forecast

Kiniksa Pharmaceuticals International, Plc (KNSA) and Protagonist Therapeutics, Inc (PTGX) compared on price performance, valuation, profitability and the daily AI forecast. · Alpha · vs market

Share
Nasdaq · Pharmaceutical Preparations

KNSA Kiniksa Pharmaceuticals International, Plc

Price
$98.76 +69.2% · 6M
Market Cap
$7.76B
P/E Ratio
91.5x
Size
mid-cap
AI Forecast
Full analysis →
Nasdaq · Pharmaceutical Preparations

PTGX Protagonist Therapeutics, Inc

Price
$135.90 +31.3% · 6M
Market Cap
$8.79B
P/E Ratio
34.6x
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 · 2026-05-11 → 2026-11-10

Six-month price performance

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

80100120140160
KNSA +69.2% PTGX +31.3%
KNSA · PTGX

Key facts

  • PTGX is 1.1 times larger than KNSA by market capitalization ($8.79B against $7.76B).
  • PTGX trades at 34.6 times trailing earnings, KNSA at 91.5 times.
  • Over the last six months KNSA returned +69.2% and PTGX +31.3%.
  • PTGX turns 155.8% of its revenue into net income, against 11.6% for KNSA.
  • KNSA carries 0.38 times debt per unit of equity, against 0.06 times for PTGX.
  • Both companies share the SEC industry classification Pharmaceutical Preparations.
Fundamentals

Fundamentals side by side

Trailing twelve months.

Valuation & Market

MetricKNSAPTGX
Market Cap$7.76B$8.79B
P/E Ratio91.45x34.58x
P/B Ratio10.93x8.11x
EPS$1.08$3.93
Book Value/Share$9.04$16.77
Revenue/Share$12.04$3.39
FCF/Share$2.51$1.69

Profitability & Margins

MetricKNSAPTGX
ROE15.4%31.6%
ROA11.1%29.9%
ROIC16.5%29.6%
Gross Margin90.2%–
Operating Margin13.8%147.1%
Net Margin11.6%155.8%
EBT Margin15.4%158.4%
Tax Rate25.0%2.3%

Financial Health

MetricKNSAPTGX
Current Ratio3.91x19.85x
Quick Ratio3.35x–
D/E Ratio0.38x0.06x
Financial Leverage1.38x1.06x
Working Capital$558M$1.05B

Cash Flow

MetricKNSAPTGX
Operating Cash Flow$199M$110M
Free Cash Flow$197M$109M
Capital Spending-$2M-$760K
OCF Growth YoY93.3%67.9%
FCF Growth YoY93.8%71.3%
FCF/Sales20.9%49.7%
CapEx/Sales0.2%0.3%

Operational Efficiency

MetricKNSAPTGX
Asset Turnover0.96x0.19x
Receivables Turnover30.7x–
Inventory Turnover0.9x–
Fixed Assets Turnover383.9x66.1x
Days Sales Outstanding12 days–
Days Inventory424 days–
Payables Period16 days–
Cash Conversion Cycle419 days–

Income Statement

MetricKNSAPTGX
Total Revenue$946M$220M
Operating Income$130M$323M
Net Income$110M$342M
R&D Expense$136M$176M
SG&A Expense$247M–
Cost of Goods Sold$93M–

Dividend & Shareholder Information

MetricKNSAPTGX
Shares Outstanding79M65M
Net Income Growth205.1%645.5%
EPS Growth–182.7%
FAQ

KNSA vs PTGX: stock comparison and AI forecast

Which is bigger, KNSA or PTGX?

PTGX is 1.1 times larger than KNSA by market capitalization ($8.79B against $7.76B).

Which is cheaper on earnings, KNSA or PTGX?

PTGX trades at 34.6 times trailing earnings, KNSA at 91.5 times.

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

Over the last six months KNSA returned +69.2% and PTGX +31.3%.

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

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.