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Stock Trend Analysis Report
Prepared for you on Wednesday, March 25, 2026.
Prothena Corporation plc - Ordinary Shares (NASDAQ:PRTA)
Sidelines Mode (-55) - PRTA is moving in a sideways pattern and is unable to gain momentum in either direction. Beware of choppy movement 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 DOWN since Jan 5th, 2026 at 9.0700
The intermediate-term trend has been DOWN since Mar 19th, 2026 at 8.4800
The short-term trend has been UP since Mar 23rd, 2026 at 8.9449
Smart Scan Analysis for PRTA
Based on our trend formula, PRTA is rated as a -55 on a scale from -100 (Strong Downtrend) to +100 (Strong Uptrend).
| Open | High | Low | Price | Change |
|---|---|---|---|---|
| 8.840 | 9.315 | 8.820 | 9.295 | +0.565 |
| Prev. Close | Volume | Bid | Ask | Time |
| 8.730 | 474359 | 2026-03-25 15:59:37 |
| Year High | 46.14 | Year High Date | 2018-01-29 |
| Year Low | 10.43 | Year Low Date | 2018-04-25 |
| 52wk High | 13.52 | 52wk High Date | 2025-03-27 |
| 52wk Low | 4.32 | 52wk Low Date | 2025-05-28 |
| Year End Close | 7.33 | Average Volume | 599,643 |
| Shares Outstanding | 53,833 | Short Interest | 90,946 |
| % Institutional | 29.4 | Assets | 326,804,000M |
| Liabilities | 46,330,000M | Volatility | 69.51 |