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PRTA Stock Price Prediction 2026

Prothena Corporation plc Ordinary Shares

$9.33
+$0.07 (+0.76%)

AI-powered price predictions based on fundamental analysis and growth projections

Last Updated: March 30, 2026

PRTA Price Forecast 2026: Our AI models project that PRTA stock will rise to approximately $21.00 by 2026. This represents a potential 125.1% growth from the current trading price of $9.33. The overall market sentiment for PRTA is currently bullish, based on a combination of proprietary technical signals and fundamental analysis.

Fundamental Analysis: Trading PRTA shows a complex fundamental profile. Our model evaluates these metrics alongside sector peers and historical performance to derive the 2026 price target. If the company exceeds its current growth projections, there may be further upside beyond our base case scenario.

Technical Outlook: The stock is technically in a uptrend phase. The Relative Strength Index (RSI) is currently 52.7, which suggests the stock is trading in a neutral range. Traders should monitor key support and resistance levels closely, as a breakout or breakdown from current price consolidation will be the primary catalyst for the stock reaching the 2026 predicted target.

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AI TRADING RECOMMENDATION
Evaluate position
Key Signals:
  • Moving averages converging - equilibrium state
  • MACD converging near zero line - potential energy building
  • Volume showing accumulation (CMF: 0.1385)
  • Recent pattern: Doji - Indecision pattern
MACD: Converging | Volume: Accumulation
Fair Value Estimate
+80.1% Undervalued
Fair Value: $16.80 (Current: $9.33)

Based on PEG ratio analysis, this stock appears undervalued at current levels. The fair value estimate suggests 80.1% upside potential.

PEG Ratio
0.08
Attractive
Current P/E
9.62
Fair P/E
17.31
Earnings Growth
125.1%
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Volume Trend: Accumulation

Institutional Buying Detected - Smart money is accumulating shares

Chaikin Money Flow (CMF): 0.139
Money Flow Index (MFI): 36.1

Positive CMF indicates money flowing into the stock. This bullish signal suggests institutional interest.

Price Targets by Timeframe
AI-based growth projections (not Wall Street analyst targets)
Timeframe Target Price Potential Return
30 Days $10.26 +10.0%
90 Days $12.25 +31.3%
6 Months $15.16 +62.5%
1 Year $21.00 +125.1%

More PRTA Analysis

Why is PRTA Moving? Buy or Sell PRTA? PRTA Full Analysis PRTA Trendline Analysis
PRTA Price Prediction Trendline

Scenario Analysis (1-Year Outlook)

Bull Case
30% Probability
$26.25 (+181.4%)

Best case scenario if strong fundamentals and market conditions align

Base Case
50% Probability
$21.00 (+125.1%)

Expected scenario based on current growth trajectory

Bear Case
20% Probability
$14.70 (57.6%)

Downside scenario if market headwinds or disappointing results

Technical Indicators

RSI (14)
52.7
Neutral
MACD Signal
Bullish
Trend
Uptrend
Money Flow (CMF)
0.14

Key Fundamentals

Forward P/E
9.62
P/S Ratio (TTM)
52.92x
High Premium
Revenue Growth (QoQ)
-1.0%
Market Cap
$512M
Analyst Target
$21.00
52-Week High
$9.33
52-Week Low
$9.26

Frequently Asked Questions

What is the PRTA stock price prediction for 2026?

Based on our AI analysis, PRTA is predicted to reach $21.00 by 2026, representing a potential 125.1% increase from the current price of $9.33.

Is PRTA stock a good buy right now?

Our analysis suggests PRTA is a "BUY" based on current technical and fundamental indicators. With a projected 125.1% upside, investors should consider their risk tolerance and investment horizon.

What is PRTA 52-week high and low?

PRTA has a 52-week high of $9.33 and a 52-week low of $9.26. The stock is currently trading 0.0% below its 52-week high.

What is the technical analysis for PRTA?

PRTA is currently in a uptrend trend. The RSI of 52.7 indicates the stock is trading in neutral territory. Traders should monitor support and resistance levels for potential entry points.

Investment Disclaimer: These price predictions are generated using AI models and historical data. They are not financial advice and should not be the sole basis for investment decisions. Past performance does not guarantee future results. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.
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