Stock research

PTGX Protagonist Therapeutics, Inc.

Healthcare • Biotechnology

$137.32
1.51 (—%)

Protagonist Therapeutics, Inc. is a biopharmaceutical firm dedicated to discovering and advancing peptide-based therapies. Their research primarily focuses on treatments for hematological and blood conditions, as well...…

ALL change

+179.85%

Range high

$140.91

Congress · 90d

0

Insiders · 90d

0

Public signal layer

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Price

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Showing ALL history. Source: FMP historical price full.

Prev Close
$135.81
Day High
$138.08
Day Low
$135.39
52w High
$143.29
52w Low
$50.49
Volume
423,011
Avg Volume
Beta
1.791

* TTM/most recent where available

Company

Ticker
PTGX
Exchange
Sector
Healthcare
Industry
Biotechnology
Country
US
CEO
Dinesh V. Patel
Employees
132
Website
www.protagonist-inc.com

Key Metrics

Market Cap
8.83B
P/E
P/B
P/S
EV/EBITDA
ROE
Net Margin
Div Yield
FCF/Share

* TTM/most recent where available

DCF Valuation

↓ Below DCF -1514.6%

Standard DCF

-$9.71 as of Aug. 5, 2026

Levered DCF

-$4.10 as of Aug. 5, 2026

Market Price

$137.32 vs DCF -1514.6%

DCF vs Price (30D window)

Price uses last 30 days; DCF line holds latest value across the window.

DCF line = solid green (latest value repeated across window), Price = dashed blue (daily closes).