Prothena Corp PLC

PRTANASDAQ
$8.38
-0.11-1.30%
Last update: Aug 6, 12:20 PM

Prothena Corp Market Sentiment

Market sentiment signals for Prothena Corp (PRTA): analyst consensus, short interest, options flow and insider activity.

Key Signals

Analyst Consensus Buy
Short Interest 18.8% short float
Options Flow 0.00 P/C ratio
Insider Activity Net Seller (30d)

Analyst Consensus

Buy

14 analysts

Options Flow (P/C)

0.00

More calls — Bullish

1 calls · 0 puts

Avg Consensus PT

$28

+232.0%

Highest Price Target

$80

+854.7%

Citizens Capital Markets

Lowest Price Target

$4

-52.3%

B of A Securities

Short Interest

18.8%

Declining — Bullish

Insider Activity (30d)

Net Seller

Short Interest — % of Float

Recent Analyst Actions

DateFirmAnalyst & AccuracyUpside / DownsidePT ChangeActionRating
May 8, 2026Citizens
Jason N. Butler
+138.7%$19 → $20MaintainedMarket Outperform
Feb 20, 2026RBC Capital
Brian Abrahams
+43.2%$11 → $12MaintainedSector Perform