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PRTA (NASDAQ) Stock Analysis | PROTHENA CORPORATION PLC – Deepscope
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PRTA — PROTHENA CORPORATION PLC (Healthcare >> Biotechnology)

PRTA FAQ

What is PRTA's P/E ratio?

PROTHENA CORPORATION PLC (PRTA) currently trades at a P/E ratio of 14.80.

What is PRTA's ROE?

PROTHENA CORPORATION PLC reports a Return on Equity (ROE) of -48.36%.

What is PRTA's dividend yield?

PROTHENA CORPORATION PLC offers a dividend yield of 0.00%.

What is PRTA's Deepscope Quality Score?

Deepscope rates PRTA's overall financial quality at 38 out of 100, based on profitability, growth, debt and earnings stability.

Is now a good time to buy PRTA?

Deepscope's AI Timing Score for PRTA is 26 out of 100, indicating the relative attractiveness of buying at the current price using technical and momentum signals.

Which sector does PRTA belong to?

PROTHENA CORPORATION PLC is classified under the Healthcare >> Biotechnology sector on the NASDAQ exchange.

Stock Check   *Daily update data at 9:30 AM*
(Price: 2026-06-05 | FS: 2026-03-31)

PRTA

PROTHENA CORPORATION PLC
USD 8.79
-0.46 (-4.97%) Day Change
14.80
P/E
0.01
D/E
-48.4%
ROE
-43.2%
ROA
0.00%
Div Yield
0.47
PEG
USD 8.79
Price
-0.46 (-4.97%)
Day Change
NEWS SCORE: 98

PRTA, the overall quality is not good ( Quality = 38) and the timing to buy is ...(Sign In to See)...

38

QUALITY

Signal
UNDERPERFORM
Signal Description
Company financial health is Not Good
Reason
ROE is relatively low.
ROA is relatively low.
Historical ROE is relatively low
Negative growth of ROE in the last year.
ROA is too relatively low compare to ROE
Growth of ROA was below our criteria in the last year.
Net profit margin is relatively low.
Historical net profit margin is relatively low.

88 Sign in

TIMING

Signal
OUTPERFORM
Signal Descri...
Good
Reason
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In details, quality factors are not good , financial health is not good , and ability to make profit is ok , ...

Quality Factors 48%
X
X
X
X
  In Recommendations? Not in any sections
  Select Rate 0.00 From 30 days period
  Watch Rate 0.00 From 30 days period
  News Score 98
  Magic Formula Rank by ROA
N/A
  Magic Formula Rank by ROE
N/A
  Magic Formula Rank by ROIC
N/A
  Price 8.79
  PBV / Sector
1.55 / 4.63
GOOD
  Earning Per Share -2.74
  PE / Sector
14.80 / 17.43
  PEG or PE/Growth / Sector
0.47 / 0.53
GOOD
  Average 1M Daily Value
5.63 M
GREAT
  Average 1W Daily Value
4.83 M
GREAT
Timing Factors 14%
  MACD
  MACD Signal
  MACD Divergence
  RSI
  Stochastic Oscillator K
  Stochastic Oscillator D
  ADX
  Avg 5 day Timing Score
Financial Health 45%
X
X
X
X
  DE / Sector
  DE Average / Sector
  DE Change Average (%) / Sector
  Current Ratio / Sector
  Current Ratio Average / Sector
  Current Ratio Change Average (%) / Sector
  Quick Ratio / Sector
  Quick Ratio Average / Sector
  Quick Ratio Change Average (%) / Sector
  FCF/Share / Sector
  FCF/Share Average / Sector
  FCF/Share Change Average (%) / Sector
Ability to Make Profit 60%
X
X
X
X
X
X
X
  GPM (%) / Sector
  GPM Average (%) / Sector
  GPM Change Average (%) / Sector
  OPM (%) / Sector
  OPM Average (%) / Sector
  OPM Change Average (%) / Sector
  NPM (%) / Sector
-260.92 / 449.48
  NPM Average (%) / Sector
-649.97 / -1,506.49
  NPM Change Average (%) / Sector
631.52 / 4,940.99
GREAT
  Asset Turnover / Sector
  Asset Turnover Average / Sector
  Asset Turnover Change Average (%) / Sector
  ROA (%) / Sector
-43.21 / 30.58
  ROA Average (%) / Sector
-35.36 / -347.17
  ROA Change Average (%) / Sector
58.67 / 5,125.52
GREAT
  ROE (%) / Sector
-48.36 / -3.58
  ROE Average (%) / Sector
-41.10 / 40.65
  ROE Change Average (%) / Sector
59.31 / 2,109.80
GREAT
  ROIC (%) / Sector
  ROIC Average (%) / Sector
  ROIC Change Average (%) / Sector
Return to Investors 4%
X
  Dividend (%) / Sector
N/A / 0.05
  Dividend Average (%) / Sector
N/A / 16.49
  Dividend Change Average (%) / Sector
N/A / 4.17
Registration Details
X
  Analyze Date 2026-06-06 09:09:07
  Symbol PRTA
  Name PROTHENA CORPORATION PLC
  Sector Healthcare >> Biotechnology
  Market NASDAQ
  Listed Shares 52.35 M
  Par Value N/A
  Calculated From Quarter
  Sign N/A
  Market Cap (M.USD) / Sector Average 484.27 / 8,857.28
News, Concensus, ...
  Estimation Consensus See at WSJ.com
  Full details See at WSJ.com
  Chart See in Chart feature
  News See at Yahoo Finance

Address: 77 Sir John Rogerson?s Quay, Dublin, Ireland, D02 VK60

Phone: 353 1 236 2500

Website: https://www.prothena.com

Employees: 67

Sector: Healthcare >> Biotechnology

Description: Prothena Corporation plc, a late-stage clinical biotechnology company, focuses on discovery and development of novel therapies to treat diseases caused by protein dysregulation. Its product pipeline includes Prasinezumab, an investigational humanized monoclonal antibody which is in Phase 3 clinical trial for the treatment of parkinson's disease and other synucleinopathies. The company also develops Coramitug, an investigational antibody, which is in Phase 3 clinical trial for the treatment of transthyretin amyloidosis; BMS-986446, an anti-tau antibody which is in Phase 2 clinical trial to treat Alzheimer's disease; PRX019, an investigational antibody which is in Phase 1 clinical trial for the treatment of neurodegenerative diseases; and PRX123, a Dual Aß-Tau Vaccine, which is in preclinical trial for treating Alzheimer's disease. In addition, it develops discovery- and late-preclinical-stage programs include TDP-43 CYTOPE for the treatment of amyotrophic lateral sclerosis; PRX012, a next-generation anti-Aß antibody which is in phase 1 clinical trial to treat Alzheimer's disease; and PRX012-TfR, a preclinical program for the treatment of Alzheimer's disease. It 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 a-synuclein, including prasinezumab; and master collaboration agreement with Bristol Myers Squibb to develop and commercialize antibodies targeting tau, TDP-43. Prothena Corporation plc was incorporated in 2012 and is based in Dublin, Ireland.

ME vs SECTOR Healthcare >> Biotechnology

PRTA (ME)
Sector Peers
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News

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PRTA
PRTA
USD 8.79 (-4.97%)
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