Analyst stock forecast

Prothena Corporation plc - Ordinary Shares Stock Forecast and Analyst Price Target

PRTA analyst target range, upside, consensus rating and coverage count.

Direct answer

Prothena Corporation plc - Ordinary Shares's average price target is $21.40.

The target implies +132.9% from the recorded current price, and the consensus rating is Buy.
The verified range is $8.00 to $36.00, with 5 analysts in the current consensus when available.
Forecast evidence checked August 12, 2026.

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Verified data

Current price
$9.19
Average price target
$21.40
High price target
$36.00
Low price target
$8.00
Target upside
+132.9%
Consensus rating
Buy
Analysts
5
Evidence date
August 12, 2026
Valid through
August 19, 2026