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Technical picture remains unchanged for PRTA after it rises 0.92% on July 21

Prothena Corporation plc (PRTA) — Daily Technical Analysis & Swing Trading Signals · Jul 21, 2026, 17:32 ET
On Tuesday, July 21st, PRTA moved up 0.92% while volume was to 0.9× the usual levels. Key support levels exist at 8.57, 8.39 & 8.27, with resistance at 8.87, 8.99 & 9.17.

Current SwingTradeBot Technical Rating of PRTA: D

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Prothena Corporation plc (PRTA)