
Stock Trend Analysis Report
Prepared for you on Tuesday, July 1, 2025.
Prothena Corporation plc - Ordinary Shares (NASDAQ:PRTA)
Bull Market Weakness (+75) - PRTA is showing signs of short-term weakness, but still remains in the confines of a long-term uptrend. Keep an eye on PRTA as it may be in the beginning stages of a reversal.
Is it time to buy, sell, or avoid PRTA?
MarketClub looks at technical strength and momentum to determine if the timing is right for PRTA.
Learn more about the Trade Triangles and how we make technical analysis as easy as buy and sell.
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MarketClub’s Trade Triangles for PRTA
The long-term trend has been DOWN since Sep 8th, 2023 at 52.7000
The intermediate-term trend has been UP since Jun 16th, 2025 at 5.5295
The short-term trend has been UP since Jun 16th, 2025 at 5.3900
Smart Scan Analysis for PRTA
Based on our trend formula, PRTA is rated as a +70 on a scale from -100 (Strong Downtrend) to +100 (Strong Uptrend).

Open | High | Low | Price | Change |
---|---|---|---|---|
6.06 | 6.49 | 5.96 | 6.30 | +0.23 |
Prev. Close | Volume | Bid | Ask | Time |
6.07 | 877675 | 2025-07-01 14:50:50 |
Year High | 46.14 | Year High Date | 2018-01-29 |
Year Low | 10.43 | Year Low Date | 2018-04-25 |
52wk High | 25.42 | 52wk High Date | 2024-07-25 |
52wk Low | 4.32 | 52wk Low Date | 2025-05-28 |
Year End Close | 7.33 | Average Volume | 1,872,020 |
Shares Outstanding | 53,827 | Short Interest | 90,946 |
% Institutional | 29.4 | Market Cap | 368M |
Assets | 495,336,000M | Liabilities | 57,656,000M |
P/E Ratio | 27.0504 | Volatility | 69.51 |