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Stock comparison · Signal date 2026-11-06

IONS vs RYTM: stock comparison and AI forecast

Ionis Pharmaceuticals Inc (IONS) and Rhythm Pharmaceuticals, Inc. (RYTM) compared on price performance, valuation, profitability and the daily AI forecast. · Alpha · vs market

Share
Nasdaq · Pharmaceutical Preparations

IONS Ionis Pharmaceuticals Inc

Price
$38.80 -49.0% · 6M
Market Cap
$6.45B
P/E Ratio
–
Size
mid-cap
AI Forecast
Full analysis →
Nasdaq · Pharmaceutical Preparations

RYTM Rhythm Pharmaceuticals, Inc.

Price
$110.68 +14.6% · 6M
Market Cap
$7.23B
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 → 2026-11-05

Six-month price performance

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

607590105120
IONS -49.0% RYTM +14.6%
IONS · RYTM

Key facts

  • RYTM is 1.1 times larger than IONS by market capitalization ($7.23B against $6.45B).
  • Over the last six months RYTM returned +14.6% and IONS -49.0%.
  • RYTM turns -69.0% of its revenue into net income, against -213.0% for IONS.
  • IONS carries 5.81 times debt per unit of equity, against 2.75 times for RYTM.
  • Both companies share the SEC industry classification Pharmaceutical Preparations.
Fundamentals

Fundamentals side by side

Trailing twelve months.

Valuation & Market

MetricIONSRYTM
Market Cap$6.45B$7.23B
P/B Ratio14.66x82.20x
EPS$-3.77$-2.88
Book Value/Share$2.65$1.28
Revenue/Share$1.60$4.08
FCF/Share$-3.37–

Profitability & Margins

MetricIONSRYTM
ROE-128.5%-220.3%
ROA-18.9%-43.7%
ROIC-22.2%-64.1%
Gross Margin94.0%88.2%
Operating Margin-224.0%-66.7%
Net Margin-213.0%-69.0%
EBT Margin-211.8%-68.5%
Tax Rate-0.6%-0.8%

Financial Health

MetricIONSRYTM
Current Ratio7.89x2.78x
Quick Ratio7.73x2.57x
D/E Ratio5.81x2.75x
Financial Leverage6.81x5.04x
Interest Coverage-22.1x-29.4x
Working Capital$2.18B$268M

Cash Flow

MetricIONSRYTM
Operating Cash Flow-$496M-$82M
Free Cash Flow-$561M–
Capital Spending-$64M–
FCF/Sales-211.4%–
CapEx/Sales24.3%–

Operational Efficiency

MetricIONSRYTM
Asset Turnover0.09x0.63x
Receivables Turnover–7.2x
Inventory Turnover0.3x1.1x
Fixed Assets Turnover1.7x493.4x
Days Sales Outstanding–51 days
Days Inventory1158 days344 days
Payables Period1087 days118 days
Cash Conversion Cycle–277 days

Income Statement

MetricIONSRYTM
Total Revenue$265M$281M
Operating Income-$594M-$187M
Net Income-$565M-$194M
R&D Expense–$180M
SG&A Expense$528M$255M
Cost of Goods Sold$16M$33M

Dividend & Shareholder Information

MetricIONSRYTM
Shares Outstanding166M69M
FAQ

IONS vs RYTM: stock comparison and AI forecast

Which is bigger, IONS or RYTM?

RYTM is 1.1 times larger than IONS by market capitalization ($7.23B against $6.45B).

Which stock performed better over the last six months, IONS or RYTM?

Over the last six months RYTM returned +14.6% and IONS -49.0%.

Which one does Intratio's AI model rank higher, IONS or RYTM?

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.