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Stock Trend Analysis Report
Prepared for you on Monday, October 6, 2025.
Prothena Corporation plc - Ordinary Shares (NASDAQ:PRTA)
Long-Term Uptrend (+90) - PRTA is in a strong uptrend that is likely to continue. While PRTA is showing intraday weakness, it remains in the confines of a bullish trend. Traders should use caution and utilize a stop order.
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 UP since Sep 24th, 2025 at 8.97
The intermediate-term trend has been UP since Sep 24th, 2025 at 8.62
The short-term trend has been UP since Sep 24th, 2025 at 8.43
Smart Scan Analysis for PRTA
Based on our trend formula, PRTA is rated as a +90 on a scale from -100 (Strong Downtrend) to +100 (Strong Uptrend).
| Open | High | Low | Price | Change |
|---|---|---|---|---|
| 10.000 | 10.085 | 9.770 | 9.865 | -0.055 |
| Prev. Close | Volume | Bid | Ask | Time |
| 9.920 | 282926 | 2025-10-06 15:59:49 |
| Year High | 46.14 | Year High Date | 2018-01-29 |
| Year Low | 10.43 | Year Low Date | 2018-04-25 |
| 52wk High | 18.88 | 52wk High Date | 2024-10-29 |
| 52wk Low | 4.32 | 52wk Low Date | 2025-05-28 |
| Year End Close | 7.33 | Average Volume | 755,162 |
| Shares Outstanding | 53,830 | Short Interest | 90,946 |
| % Institutional | 29.4 | Market Cap | 368M |
| Assets | 399,066,000M | Liabilities | 74,735,000M |
| P/E Ratio | 27.0504 | Volatility | 69.51 |