Prothena Corporation plc (PRTA) stock
Price, quality score, analyst targets, a 30-day Kronos AI forecast and a Shariah screen for Prothena Corporation plc, updated every trading day.
Health Care · Biotechnology: Pharmaceutical Preparations
Price
$9.10
+3.29% today
Market cap
$452M
Overall quality
—
Kronos AI 30-day
−2.6%
3 of 8 simulated paths end higher
Prothena Corporation plc (PRTA) is a Health Care company in Biotechnology: Pharmaceutical Preparations, worth $452M. It trades at $9.10, up 3.29% today. 4 analysts' average target of $26.33 implies +189.3% from today's price. Kronos AI's 30-day forecast is −2.6% (3 of 8 simulated paths end higher).
Open the full interactive analysis →Charts, technical signals, DCF fair value and ownership
Analyst price targets
| Average target | $26.33 |
| Low – high | $13.00 – $36.00 |
| Analysts | 4 |
| Upside to average | +189.3% |
Kronos AI 30-day forecast
| Expected close | $8.58 (−2.6%) |
| Likely range | −6.5% … +12.1% |
| As of | 2026-10-27 |
3 of 8 simulated paths end higher.
Quality scores
Not scored: the financial data for this listing is incomplete.
Shariah screen
| Business activity | Passes |
| Debt and cash (AAOIFI 30%) | Not checked for this listing |
Automated screen of business activity and AAOIFI's 30% debt and cash limits. The 5% impermissible-income test is not applied. Check with a scholar before deciding.
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For information only, not investment advice. Prices updated: 2026-10-29.