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Stock Trend Analysis Report
Prepared for you on Sunday, December 14, 2025.
Prothena Corporation plc - Ordinary Shares (NASDAQ:PRTA)
Crossroads (-60) - PRTA is struggling to move into a solid trend. Beware of choppy markets and consider a sidelines position until a stronger trend is identified.
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 8.970
The intermediate-term trend has been DOWN since Dec 10th, 2025 at 9.750
The short-term trend has been DOWN since Dec 9th, 2025 at 10.745
Smart Scan Analysis for PRTA
Based on our trend formula, PRTA is rated as a -60 on a scale from -100 (Strong Downtrend) to +100 (Strong Uptrend).
| Open | High | Low | Price | Change |
|---|---|---|---|---|
| 10.400 | 10.490 | 10.195 | 10.350 | +0.020 |
| Prev. Close | Volume | Bid | Ask | Time |
| 10.360 | 369694 | 2025-12-12 15:59:43 |
| Year High | 46.14 | Year High Date | 2018-01-29 |
| Year Low | 10.43 | Year Low Date | 2018-04-25 |
| 52wk High | 17.66 | 52wk High Date | 2024-12-19 |
| 52wk Low | 4.32 | 52wk Low Date | 2025-05-28 |
| Year End Close | 7.33 | Average Volume | 605,741 |
| Shares Outstanding | 53,830 | Short Interest | 90,946 |
| % Institutional | 29.4 | Market Cap | 368M |
| Assets | 352,628,000M | Liabilities | 57,639,000M |
| Volatility | 69.51 |