Bulls vs Bears
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$8.29
-0.03-0.36%
At close: Sep 25, 5:00 PM EST
$8.29
N/A
After Hours: Sep 25, 4:00 PM EST
Prothena Corp PLC
PRTANASDAQ
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▼ 19.6% short float
Options Flow▲ 0.00 P/C ratio
Insider Activity▲ Net Buyer (30d)
Analyst Consensus
Buy
14 analysts
Options Flow (P/C)
0.00
More calls — Bullish
9 calls · 0 puts
Avg Consensus PT
$28
+235.6%
Highest Price Target
$80
+865.0%
Citizens Capital Markets
Lowest Price Target
$4
-51.7%
B of A Securities
Short Interest
19.6%
Rising — Bearish
Insider Activity (30d)
Net Buyer
Short Interest — % of Float
Recent Analyst Actions
| Date | Firm | Analyst & Accuracy | Upside / Downside | PT Change | Action | Rating |
|---|---|---|---|---|---|---|
| May 8, 2026 | Citizens | Jason N. Butler— | +141.3% | $19 → $20 | Maintained | Market Outperform |
| Feb 20, 2026 | RBC Capital | Brian Abrahams— | +44.8% | $11 → $12 | Maintained | Sector Perform |
