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Prothena Corporation plc Ordinary Shares Forecasts for Tomorrow, Week, Month and 5 Years

Updated: April 22 · 2026 at 07:03 UTC

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▼ -1.11%Market Cap $574.40M · Technical analysis Bearish · Focus area Price + volatility

Forecast Summary

Timeframe	Predicted Price	Past	Historical	Insight
Tomorrow	$10.59 ▼ -0.80%	Yesterday	$10.71 ▲ +0.33%	Tomorrow's Prothena Corporation plc Ordinary Shares (PRTA) setup is anchored to $10.67 and targets $10.59 (-0.80%). The near-term read is downside; watch $10.99 / $10.35 because daily realized volatility is about 4.10%.
Tomorrow's Prothena Corporation plc Ordinary Shares (PRTA) setup is anchored to $10.67 and targets $10.59 (-0.80%). The near-term read is downside; watch $10.99 / $10.35 because daily realized volatility is about 4.10%.
Week	$10.41 ▼ -2.48%	Last Week	$10.78 ▲ +1.04%	The 7-day Prothena Corporation plc Ordinary Shares model moves from $10.78 to $10.41 (-2.48%). It gives downside momentum context for this stock, so breaks around $10.99 / $10.35 matter more than a single tick.
The 7-day Prothena Corporation plc Ordinary Shares model moves from $10.78 to $10.41 (-2.48%). It gives downside momentum context for this stock, so breaks around $10.99 / $10.35 matter more than a single tick.
Month	$10.11 ▼ -5.27%	Last Month	$10.91 ▲ +2.21%	The 1-month Prothena Corporation plc Ordinary Shares target is $10.11 (-5.27%), compared with the live reference near $10.67. This horizon blends current trend pressure with price momentum, liquidity, and company-specific risk.
The 1-month Prothena Corporation plc Ordinary Shares target is $10.11 (-5.27%), compared with the live reference near $10.67. This horizon blends current trend pressure with price momentum, liquidity, and company-specific risk.
Year	$9.66 ▼ -9.46%	Last Year	$11.09 ▲ +3.97%	The 1-year Prothena Corporation plc Ordinary Shares scenario points to $9.66 (-9.46%). Confidence is lower than short-term rows, so treat it as cycle context and re-check it after major market-data updates.
The 1-year Prothena Corporation plc Ordinary Shares scenario points to $9.66 (-9.46%). Confidence is lower than short-term rows, so treat it as cycle context and re-check it after major market-data updates.
5 Years	$8.61 ▼ -19.29%	5 Years Ago	$11.53 ▲ +8.10%	The 5-year Prothena Corporation plc Ordinary Shares view is $8.61 (-19.29%). It is a directional scenario built from bounded drift and volatility, not a guaranteed path.
The 5-year Prothena Corporation plc Ordinary Shares view is $8.61 (-19.29%). It is a directional scenario built from bounded drift and volatility, not a guaranteed path.

Tomorrow$10.59▼ -0.80%

Yesterday$10.71▲ +0.33%

Tomorrow's Prothena Corporation plc Ordinary Shares (PRTA) setup is anchored to $10.67 and targets $10.59 (-0.80%). The near-term read is downside; watch $10.99 / $10.35 because daily realized volatility is about 4.10%.

Week$10.41▼ -2.48%

Last Week$10.78▲ +1.04%

The 7-day Prothena Corporation plc Ordinary Shares model moves from $10.78 to $10.41 (-2.48%). It gives downside momentum context for this stock, so breaks around $10.99 / $10.35 matter more than a single tick.

Month$10.11▼ -5.27%

Last Month$10.91▲ +2.21%

The 1-month Prothena Corporation plc Ordinary Shares target is $10.11 (-5.27%), compared with the live reference near $10.67. This horizon blends current trend pressure with price momentum, liquidity, and company-specific risk.

Year$9.66▼ -9.46%

Last Year$11.09▲ +3.97%

The 1-year Prothena Corporation plc Ordinary Shares scenario points to $9.66 (-9.46%). Confidence is lower than short-term rows, so treat it as cycle context and re-check it after major market-data updates.

5 Years$8.61▼ -19.29%

5 Years Ago$11.53▲ +8.10%

The 5-year Prothena Corporation plc Ordinary Shares view is $8.61 (-19.29%). It is a directional scenario built from bounded drift and volatility, not a guaranteed path.

Risk notice:This forecast is informational only, not financial advice; accuracy depends on volatility, liquidity, macro events, and other external factors.

Price Chart

HistoricalForecastBullishBearish

Technical Analysis

Bearish

Bullish

Neutral

Bearish

Key Indicators

Indicator	Value	Signal
Price	$10.67	Mid
Daily Change	-1.11%	Below
Volatility Cap	20.0%	Mid
Confidence	59%	Below
Data Source	nasdaq-screener	Mid

Historical Data

Current$10.67

Daily Change-1.11%

Market Cap$574.40M

Sourcenasdaq-screener

Current	$10.67	Daily Change	-1.11%
Market Cap	$574.40M	Source	nasdaq-screener

Support & Resistance Levels

$10.35Support 1

$10.67Current

$10.99Resistance 1

Support and resistance are estimated from the trusted current price until deeper historical data is available.

Price Milestones

Key levels & historical context

Current$10.67Live reference price

Used as the anchor for generated forecast calculations.

Next Month$10.11Model projection-5.27%

Directional scenario based on capped drift.

Forecast Accuracy

How our model has performed

59%

Directional

Generated market-data forecast

This page uses live catalog market data and conservative volatility caps. It is informational, not financial advice.

📊

Our algorithm is re-calibrated weekly using the latest price action, volatility regime, and indicator signals. Accuracy varies by timeframe — short-term momentum is more reliable than long-term projections.

Short term

59%

Direction confidence

Long term

Lower

Forecast uncertainty rises with horizon

Investment Scenarios

If you invest $1,000 in PRTA today

Bullish Scenario

$11.20

+5.00% from current

Target Price$11.20

ScenarioUpside momentum

Probability51%

Base Scenario

$10.11

-5.27%

Target Price$10.11

ScenarioCapped drift

Probability59%

Bearish Scenario

$10.14

-5.00% from current

Target Price$10.14

ScenarioVolatility drawdown

Probability41%

Basis: Scenario model combines current spot price, recent market direction, and conservative asset-class volatility caps.

Forecast Factors

Market Structure

Price structure reflects the latest momentum regime and support/resistance interaction.

Momentum Bearish · 39/100

24H drift-0.80%

7D drift-2.48%

30D drift-5.27%

Technical Signals

Signals combine RSI, MACD, and moving average stacks to estimate short-term direction.

Mixed — Watching · 50/100

RSIn/a

MACDn/a

MA stackn/a

Macro Context

Rates, dollar strength, and cross-asset risk appetite influence medium-term paths.

Risk-Off Caution · 33/100

1M outlook-5.27%

1Y outlook-9.46%

5Y outlook-19.29%

Frequently Asked Questions

Q What is the Prothena Corporation plc Ordinary Shares (PRTA) forecast for tomorrow?

Using the latest BeCoin market snapshot (April 22 · 2026 at 07:03 UTC), Prothena Corporation plc Ordinary Shares is projected near $10.59 versus the current reference around $10.67. That implies a modeled move of -0.80% over the next day, with realized prices still sensitive to intraday volatility.

Q What does the 7-day stock outlook suggest for PRTA?

The weekly Prothena Corporation plc Ordinary Shares model points to $10.41, which maps to an expected drift of -2.48% from current conditions. This horizon reacts quickly to momentum shifts, so support/resistance breaks can change the path faster than long-term targets.

Q How should I read the Prothena Corporation plc Ordinary Shares 1-month and 1-year targets?

The Prothena Corporation plc Ordinary Shares 1-month target is $10.11 (-5.27%), while the 1-year target is $9.66 (-9.46%). The monthly view tracks prevailing trend pressure, and the yearly view reflects broader cycle assumptions shaped by price momentum, liquidity, and company-specific risk.

Q Why does the Prothena Corporation plc Ordinary Shares 5-year scenario differ from short-term rows?

The Prothena Corporation plc Ordinary Shares long-horizon scenario sits near $8.61 with a modeled change of -19.29%. It compounds cycle-continuation assumptions over time, so it should be treated as a scenario envelope rather than a precise endpoint.

Q Where are PRTA support and resistance zones right now?

For Prothena Corporation plc Ordinary Shares, nearest resistance is around $10.35, while nearest support is around $10.99. A clean break above resistance improves continuation odds, while repeated closes under support raise downside risk.

Q How fresh is the Prothena Corporation plc Ordinary Shares market snapshot?

The displayed stock snapshot is labeled April 22 · 2026 at 07:03 UTC; the latest observed session range is roughly n/a to n/a. These checkpoints are rebuilt from the market feed so the FAQ, milestones, and support/resistance context stay tied to the same data refresh.