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Prothena Corporation plc (PRTA)
9.46  -0.4 (-4.06%)    03-05 16:00
Open: 9.745
High: 10.0626
Volume: 416,156
  
Pre. Close: 9.86
Low: 9.36
Market Cap: 509(M)
Technical analysis
2026-03-05 4:42:41 PM
Short term     
Mid term     
Targets 6-month :  11.75 1-year :  13.72
Resists First :  10.06 Second :  11.75
Pivot price 9.08
Supports First :  8.9 Second :  8.19
MAs MA(5) :  9.34 MA(20) :  9.01
MA(100) :  9.74 MA(250) :  8.92
MACD MACD :  0 Signal :  -0.1
%K %D K(14,3) :  81.1 D(3) :  78.3
RSI RSI(14): 55.4
52-week High :  15.62 Low :  4.32
Price, MAs and Bollinger Bands

Price has closed above its short-term moving average. Short-term moving average is currently above mid-term; and below long-term moving average. From the relationship between price and moving averages: This stock is BULLISH in short-term; and NEUTRAL in mid-long term.
[ PRTA ] has closed below upper band by 19.4%. Bollinger Bands are 5.6% narrower than normal. The current width of the bands does not suggest anything about the future direction or movement of prices.

Stock Price Prediction
If tomorrow: Open lower Open higher
High: 10.08 - 10.13 10.13 - 10.17
Low: 9.25 - 9.3 9.3 - 9.34
Close: 9.38 - 9.47 9.47 - 9.53
Company Description

Prothena Corporation plc, a late-stage clinical company, focuses on discovery and development of novel therapies for life-threatening diseases in the United States. The company is involved in developing Birtamimab, an investigational humanized antibody that is in Phase III clinical trial for the treatment of AL amyloidosis; Prasinezumab, a humanized monoclonal antibody, which is in Phase IIb clinical trial for the treatment of Parkinson's disease; PRX004 that completed Phase I clinical trial for the treatment of Transthyretin amyloidosis; and PRX005, which is in Phase I clinical trial for the treatment of Alzheimer's disease. Its discovery and preclinical programs include PRX012 for the treatment of Alzheimer's disease; and dual Aß-Tau vaccine for the treatment and prevention of Alzheimer's disease. Prothena Corporation plc has a license, development, and commercialization agreement with F. Hoffmann-La Roche Ltd. and Hoffmann-La Roche Inc. to develop and commercialize antibodies that target alpha-synuclein; and a collaboration agreement with Bristol-Myers Squibb to develop antibodies. The company was founded in 2012 and is based in Dublin, Ireland.

Headline News

Tue, 03 Mar 2026
Prothena: A Hold With 2 Late-Stage Programs Underway But With Caution (NASDAQ:PRTA) - Seeking Alpha

Tue, 03 Mar 2026
Wall Street Analysts Believe Prothena (PRTA) Could Rally 118.09%: Here's is How to Trade - Yahoo Finance

Mon, 02 Mar 2026
Prothena Corporation plc (NASDAQ:PRTA) Given Average Recommendation of "Hold" by Analysts - MarketBeat

Fri, 27 Feb 2026
Prothena Corporation plc (PRTA) Stock Analysis: Navigating a 137% Potential Upside in the Biotech Sector - DirectorsTalk Interviews

Fri, 27 Feb 2026
Prothena authorizes $100 million share buyback program - Investing.com

Fri, 27 Feb 2026
PROTHENA CORP PUBLIC LTD CO SEC 10-K Report - TradingView

Financial Analysis
Price to Book Value:
P/BV, a ratio used to compare book value to its current market price, to gauge whether a stock is valued properly.
Neutral
Price to Earnings:
PE, the ratio for valuing a company that measures its current share price relative to its earnings per share (EPS).
Underperform
Discounted cash flow:
DCF, a valuation method used to estimate the value of an investment based on its expected future cash flows.
Neutral
Return on Assets:
ROA, indicates how profitable a company is in relation to its total assets, how efficiently uses assets to generate a profit.
Underperform
Return on Equity:
ROE, a measure of financial performance calculated by dividing net income by equity. a gauge of profitability and efficiency.
Underperform
Debt to Equity:
evaluate financial leverage, reflects the ability of equity to cover outstanding debts in the event of a business downturn.
Outperform
Stock Basics & Statistics
Exchange:
NASDAQ
Sector:
Healthcare
Industry:
Biotechnology
Shares Out 0 (M)
Shares Float 54 (M)
Held by Insiders 3.971e+007 (%)
Held by Institutions 19.2 (%)
Shares Short 6,580 (K)
Shares Short P.Month 0 (K)
Stock Financials
EPS -1.8366e+008
EPS Est Next Qtrly 0
EPS Est This Year 0
EPS Est Next Year 0
Book Value (p.s.) 0
Profit Margin 0 %
Operating Margin -129 %
Return on Assets (ttm) 576.1 %
Return on Equity (ttm) -26.4 %
Qtrly Rev. Growth 9.68e+006 %
Gross Profit (p.s.) 0
Sales Per Share 0
EBITDA (p.s.) 0
Qtrly Earnings Growth -5.2 %
Operating Cash Flow 0 (M)
Levered Free Cash Flow 0 (M)
Stock Valuations
PE Ratio -0.01
PEG Ratio 0
Price to Book value 0
Price to Sales 0
Price to Cash Flow 0
Stock Dividends
Dividend 0
Forward Dividend 7.06e+006
Dividend Yield 0%
Dividend Pay Date Invalid DateTime.
Ex-Dividend Date Invalid DateTime.

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