RayanaAI
Account
PRTA
STRONG SHORTMeanRev
Composite
14.90
Technical
26.80
Fundamental
11.00
Rank
—
Price
8.40
Hurst
0.09
As of
Oct 27, 2026
Daily
Prothena Corporation plc
HealthcareBiotechnology

Prothena Corporation plc is a clinical-stage biotech company developing antibody-based therapies targeting protein misfolding diseases, particularly neurodegenerative conditions. Its lead candidates include Prasinezumab in Phase 3 trials for Parkinson's disease, Coramitug in Phase 3 for transthyretin amyloidosis, and several earlier-stage programs addressing Alzheimer's disease and other neurological disorders. The company operates through partnerships with Roche for synuclein-targeting antibodies and Bristol Myers Squibb for tau and TDP-43 targeted treatments.

Market cap
$434.8M
P/E (trailing)
—
P/E (forward)
-6.44
PEG ratio
—
Dividend yield
0.00%
Beta
-0.29
52w range
7.73 – 11.80
Return on equity
-14.39%
Profit margin
-80.68%
Revenue growth
-77.10%
Earnings growth
—
Price history

1Y: 8.47 (-21.2%) · range 7.91–11.51

Cycle position
29/ 100 cycle scoreENTRY ZONE
ENTRYAPPROACHMID-BULLNEAR-TOPEXIT

entry readiness 48 · WEAK SETUP · exit proximity 0

Conviction
30/ 100 · maturity 71%
VScore.3218
Buildup.2341
EMA entry setup.2848
Fundamentals.1711
Volume profile
POC
8.46
Price vs POC
+0.1%
Overhead supply
76%
Runway
+0.5%

Value area 8.24–9.45 · 76% of 120d volume overhead · heavy supply

Contributing sources
SourceScoreLast seen
insider-activity
0.400
Oct 27, 2026
Forward returns
HorizonReturnMFEState
20d+2.12%+2.74%2/20d
40d+2.12%+2.74%2/40d