PRTA Technical Analysis & Stock Price Forecast

Technical Sentiment

Overall Consensus

Sell

Buy

Technical Analysis Consensus

Sell

Buy

Moving Average Consensus

Sell

Buy

Prothena Corporation PLC (PRTA) Moving Averages Convergence Divergence (MACD) indicator is -0.415, suggesting PRTA is Strong Sell.

Prothena Corporation PLC (PRTA) 20-Day simple moving average is 9.027, while Prothena Corporation PLC (PRTA) share price is $8.93, making it Sell.

Prothena Corporation PLC (PRTA) 60-Day simple moving average is 9.867, while Prothena Corporation PLC (PRTA) share price is $8.93, making it Sell.

Technical Analysis for PRTA

Technical Sentiment Analysis for Prothena Corporation PLC (PRTA) As of 2026-06-18, Prothena Corporation PLC (PRTA) is exhibiting a Strong Sell technical sentiment. Our proprietary analysis, which aggregates 10 technical signals, shows that 3 indicators are flashing buy, while 7 are indicating sell.

Momentum Indicators: RSI, MACD & Overbought/Oversold Status Currently, the Relative Strength Index (RSI) for PRTA stands at 47.663, which suggests a Neutral condition. Meanwhile, the MACD (12, 26) indicator is at -0.415, providing a Sell signal for short-term momentum. Other oscillators like the Stochastic Oscillator at 34.659 and the Commodity Channel Index (CCI) at -19.93 further confirm a -0.32 outlook for the stock.

Support, Resistance & Moving Averages From a structural perspective, PRTA is trading above its 60-day moving average of $9.867 and above its 200-day long-term moving average of $9.637. Key price levels to watch include the immediate resistance at $9.283 and strong support at $7.633. A break above $9.283 could signal a bull continuation, while falling below $7.633 may test the next Fibonacci floor at $6.857.

Prothena Corporation PLC (PRTA) Support & Resistance Level

Name	S3	S2	S1	Pivot Points	R1	R2	R3
Classic	5.983	6.857	7.633	8.507	9.283	10.157	10.933
Fibonacci	6.857	7.487	7.876	8.507	9.137	9.526	10.157

Prothena Corporation PLC (PRTA) Technical Indicators

2026-06-18

Name	Value
RSI_14	47.663
STOCHk_14_3_3	34.659
STOCHd_14_3_3	25.865
CCI_20	-19.93
AO_5_34	-1.092
MOM_10	-0.32
MACD_12_26_9	-0.415

Prothena Corporation PLC (PRTA) Relative Strength Index (RSI) is 47.663, creating a Neutral signal.

Prothena Corporation PLC (PRTA) Stochastic Oscillator is 34.659, creating a Neutral signal.

Prothena Corporation PLC (PRTA) Stochastic RSI is 25.865, creating a Neutral signal.

Prothena Corporation PLC (PRTA) Commodity Channel Index (CCI) is -19.93, creating a Neutral signal.

Prothena Corporation PLC (PRTA) Awesome Oscillator is -1.092, creating a Sell signal.

Prothena Corporation PLC (PRTA) Momentum is -0.32, creating a Sell signal.

Prothena Corporation PLC (PRTA) MACD is -0.415, creating a Sell signal.

Prothena Corporation PLC (PRTA) Moving Average

2026-06-18

Period	Simple	Signal
MA_5	8.422	Buy
MA_10	8.41	Buy
MA_20	9.027	Sell
MA_60	9.867	Sell
MA_200	9.637	Sell
MA_250	9.136	Sell

Prothena Corporation PLC (PRTA) 5-Day simple moving average is 8.422, while Prothena Corporation PLC (PRTA) share price is $8.93, making it a Buy.

Prothena Corporation PLC (PRTA) 10-Day simple moving average is 8.41, while Prothena Corporation PLC (PRTA) share price is $8.93, making it a Buy.

Prothena Corporation PLC (PRTA) 20-Day simple moving average is 9.027, while Prothena Corporation PLC (PRTA) share price is $8.93, making it a Sell.

Prothena Corporation PLC (PRTA) 60-Day simple moving average is 9.867, while Prothena Corporation PLC (PRTA) share price is $8.93, making it a Sell.

Prothena Corporation PLC (PRTA) 200-Day simple moving average is 9.637, while Prothena Corporation PLC (PRTA) share price is $8.93, making it a Sell.

Prothena Corporation PLC (PRTA) 250-Day simple moving average is 9.136, while Prothena Corporation PLC (PRTA) share price is $8.93, making it a Sell.

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Frequently Asked Questions

What is the current technical consensus for PRTA?

The overall technical consensus for Prothena Corporation PLC (PRTA) is currently Strong Sell. This rating is derived from a combined analysis of moving averages and oscillators, currently showing 1 buy signals and 3 sell signals.

What are the key support and resistance levels for Prothena Corporation PLC (PRTA) today?

Based on pivot point calculations, Prothena Corporation PLC (PRTA) has an immediate support level at 7.633 and a major resistance level at 9.283. Traders also monitor the pivot point at 8.507 to determine the intraday trend direction.

Is Prothena Corporation PLC (PRTA) overbought or oversold based on the RSI?

The Relative Strength Index (RSI) for Prothena Corporation PLC (PRTA) is currently 47.663. This indicates that the stock is in neutral territory (typically, a value below 30 is oversold and above 70 is overbought).

What signal is the MACD providing for Prothena Corporation PLC (PRTA)?

Prothena Corporation PLC (PRTA) Moving Averages Convergence Divergence (MACD) indicator is -0.415, suggesting PRTA is Strong Sell. This indicator helps identify potential trend reversals or momentum shifts for Prothena Corporation PLC.

How is Prothena Corporation PLC (PRTA) performing relative to its 200-day moving average?

Prothena Corporation PLC (PRTA) is currently trading at $8.93, which is below its 200-day simple moving average of 9.637. Trading below the 200-day MA is often used by investors to determine the long-term bullish or bearish trend.