Prothena stock price

NASDAQ:PRTA · Nasdaq · Healthcare · sector #16
$8.03-5.53%Oct 21 close
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Prothena's chart data is dated 2026-10-21. There is no active technical signal. The display ticker is PRTA.

Prothena last closed at $8.03 (-5.53%) on 2026-10-21. Listed on Nasdaq. Trailing 12 months PER is -9.5×. Its overall grade ranks 141 of 727 stocks in Healthcare.

About this company

Prothena last closed at $8.03 (-5.53%) on 2026-10-21. Listed on Nasdaq.

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Reported results

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Position in sector

Healthcare · Overall A · 141/727

Valuation grade A-

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Related stocks

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About Prothena
What technical signals does Prothena (PRTA) have?
Prothena current technical signals: no active technical signal.
Is Prothena a cup-and-handle pattern?
No. Prothena has no valid Cup signal right now.
What published figures are available for Prothena?
Market cap: $432.25M. Trailing 12 months PER: -9.5×. Latest quarter PBR: 1.46×. Dividend yield: 0.00%.

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2026-10-22 dataset

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