Market Performance
Protagonist Therapeutics, Inc. (NASDAQ:PTGX) surged 5.4% in today's trading, closing at $139.16.
The Healthcare stock traded 200,152 shares, below its average daily volume of 1,179,038 shares.
Market Performance Protagonist Therapeutics, Inc. (NASDAQ:PTGX) surged 5.4% in today's trading, closing at $139.16. The Healthcare stock traded 200,152 shares, below its average…

Protagonist Therapeutics, Inc. (NASDAQ:PTGX) surged 5.4% in today's trading, closing at $139.16.
The Healthcare stock traded 200,152 shares, below its average daily volume of 1,179,038 shares.
Protagonist Therapeutics, Inc. has a market capitalization of $5.8B. The stock has traded year-to-date.
Sharp single-day moves like this rally in Protagonist Therapeutics, Inc. are often driven by news catalysts — earnings surprises, analyst actions, sector developments, or broader market conditions. Investors should identify the specific driver before making trading decisions, as the sustainability of the move depends on whether the catalyst changes the fundamental outlook.
Protagonist Therapeutics, Inc. currently trades at $139.16, positioning the stock at the 96th percentile of its 52-week range ($90.58 — $141.10). This range context helps investors assess whether the stock is trading near support, resistance, or fair value relative to its recent history.
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See full price history and interactive charts on our PTGX chart page.
Current market data
NASDAQ · PTGX
$145.16
Up: +$0.07 · +0.05%
Live quote updated
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