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PRProthena Corporation PLC

Prothena Corporation PLC

PRTA
Health CareBiotechnology: Pharmaceutical Preparations

$10.18

+0.2000 (+2.00%)

As of 05/29/26 EDT · USD

Compare
Low: $4.53Current: $10.18High: $11.80

Key Statistics

Open

$9.93

Day High

$10.24

Day Low

$9.80

Prev. Close

$9.98

VolumeShares traded today.

470.16K

Avg. VolumeAverage daily volume.

Market CapTotal value of all shares = price × shares outstanding.

$532.96M

P/E (TTM)Price-to-Earnings: share price ÷ earnings per share over the last 12 months. Lower can mean cheaper; very high can mean growth expectations.

-3.62

Forward P/EP/E based on forecast next-year earnings.

P/B RatioPrice-to-Book: share price ÷ book value per share.

52W HighHighest price over the past 52 weeks.

$11.80

52W LowLowest price over the past 52 weeks.

$4.53

50D MAAverage closing price over the last 50 trading days.

$10.12

200D MAAverage closing price over the last 200 trading days.

$9.62

Dividend YieldAnnual dividend ÷ share price, as a %.

BetaVolatility vs the market. >1 = more volatile than the S&P 500.

Performance

1W

+8.2%

1M

-6.3%

6M

-3.0%

YTD

+10.7%

1Y

+121.8%

About

Muddy Waters Research LLC is an American investment research firm known for activist short selling. It was founded in 2010 by investor Carson Block. The firm publishes due‑diligence reports on publicly traded companies and, through its affiliated investment adviser Muddy Waters Capital LLC, often takes positions consistent with its research.

Company Facts

SectorHealth Care
IndustryBiotechnology: Pharmaceutical Preparations
CurrencyUSD

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