Rayana AI
Account
PRTA
SHORT CANDIDATEMeanRev
Composite
15.20
Technical
27.80
Fundamental
11.00
Rank
Price
9.12
Hurst
0.08
As of
Aug 11, 2026
Daily
Prothena Corporation plc
HealthcareBiotechnology

Prothena Corporation plc is a clinical-stage biotechnology firm developing therapeutic antibodies and vaccines aimed at treating neurodegenerative and protein-misfolding diseases. The company's pipeline includes multiple candidates in various development phases, such as Prasinezumab for Parkinson's disease and synucleinopathies, Coramitug for transthyretin amyloidosis, and tau and amyloid-beta directed therapies for Alzheimer's disease, along with programs targeting TDP-43 for amyotrophic lateral sclerosis. Prothena has partnerships with Roche for alpha-synuclein-targeting antibodies and with Bristol Myers Squibb for tau and TDP-43 programs.

Market cap
$434.3M
P/E (trailing)
P/E (forward)
-5.57
PEG ratio
Dividend yield
Beta
-0.33
52w range
7.73 – 11.80
Return on equity
-14.39%
Profit margin
-80.68%
Revenue growth
-77.10%
Earnings growth
Price history

1Y: 8.46 (+3.4%) · range 7.91–11.51

Cycle position
21/ 100 cycle scoreENTRY ZONE
ENTRYAPPROACHMID-BULLNEAR-TOPEXIT

entry readiness 65 · MODERATE · exit proximity 0

Conviction
27/ 100 · maturity 100%
VScore.4010
Buildup.2027
EMA entry setup.2565
Fundamentals.1511
Volume profile
POC
9.56
Price vs POC
-11.5%
Overhead supply
89%
Runway
+0.5%

Value area 8.3810.09 · 89% of 120d volume overhead · heavy supply

Contributing sources
SourceScoreLast seen
short-interest
1.000
Aug 31, 2026
squeeze-risk
0.677
Aug 31, 2026
earnings-surprise
0.033
Sep 4, 2026
Forward returns
HorizonReturnMFEState
20d-1.11%+8.75%15/20d
40d-1.11%+8.75%15/40d