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PRTA — Price & Float Short
—— Fair value ★ EPS beat ★ EPS miss —— Target Price
Float Short %

Float Short %

17.61

Margin Of Safety %

Put/Call OI Ratio

0.57

EPS Next Q Diff

-0.89

EPS Last/This Y

4.58

EPS This/Next Y

-1.36

Price

8.74

Target Price

21.4

Analyst Recom

2.17

Performance Q

Upside

-432.0%

Beta

-0.34

Ticker: PRTA




20 items of 1

DateSymbolLatestP/C OIP/C VolTotal OI
2026-07-13PRTA8.820.630.0016172
2026-07-14PRTA8.620.63999.9916172
2026-07-15PRTA8.420.630.0016174
2026-07-16PRTA8.480.630.0016175
2026-07-17PRTA8.650.630.0016197
2026-07-20PRTA8.660.690.0014559
2026-07-21PRTA8.760.600.0015839
2026-07-22PRTA8.440.570.1416328
2026-07-23PRTA8.530.571.3816336
2026-07-24PRTA8.760.570.0016336
2026-07-27PRTA8.710.570.0016338
2026-07-28PRTA8.550.570.0016352
2026-07-29PRTA8.560.570.0016352
2026-07-30PRTA8.410.570.0016353
2026-07-31PRTA8.120.570.0016369
2026-08-03PRTA8.310.570.0016383
2026-08-04PRTA8.490.570.0016387
2026-08-05PRTA8.50.570.0016390
2026-08-06PRTA8.580.5713.0016396
2026-08-07PRTA8.740.570.3316439
DateSymbolLatestP/C OIP/C VolTotal OI
20 items Current Page1 of 1




20 items of 1

DateTickerPriceCurrent Quarter Growth EstimateEBIT EstimationAverage EPS Estimate Current Year
2026-07-13PRTA8.82122.0- 0.05
2026-07-14PRTA8.62122.0- 0.05
2026-07-15PRTA8.43122.0- 0.05
2026-07-16PRTA8.48122.0- 0.05
2026-07-17PRTA8.64122.0- 0.05
2026-07-20PRTA8.66122.0- 0.05
2026-07-21PRTA8.76122.0- 0.05
2026-07-22PRTA8.43122.0- 0.05
2026-07-23PRTA8.53122.0- 0.05
2026-07-24PRTA8.76122.0- 0.05
2026-07-27PRTA8.70122.0- 0.05
2026-07-28PRTA8.54122.0- 0.05
2026-07-29PRTA8.57122.0- 0.05
2026-07-30PRTA8.41122.0- 0.05
2026-07-31PRTA8.1178.0- 0.05
2026-08-03PRTA8.3178.0- 0.05
2026-08-04PRTA8.3178.0- 0.05
2026-08-05PRTA8.4978.0- 0.05
2026-08-06PRTA8.5778.0- 0.05
2026-08-07PRTA8.7478.0- 0.05
DateTickerPriceCurrent Quarter Growth EstimateEBIT EstimationAverage EPS Estimate Current Year
20 items Current Page1 of 1




19 items of 1

DateTickerInsider TransactionsInstitutional TransactionsFloat Short
2026-07-13PRTA5.93-4.1618.12
2026-07-14PRTA5.93-4.1618.12
2026-07-15PRTA5.93-4.1618.12
2026-07-16PRTA5.93-4.1618.12
2026-07-17PRTA5.93-4.1618.12
2026-07-20PRTA5.93-4.3618.12
2026-07-21PRTA5.93-4.3618.12
2026-07-22PRTA5.93-4.3618.12
2026-07-23PRTA5.93-4.3618.12
2026-07-24PRTA5.93-4.3618.12
2026-07-27PRTA5.93-4.4217.75
2026-07-28PRTA5.93-4.4217.75
2026-07-29PRTA5.93-4.4217.75
2026-07-30PRTA5.93-4.4217.75
2026-07-31PRTA5.64-4.4217.75
2026-08-03PRTA5.64-8.1417.75
2026-08-04PRTA5.64-8.1417.75
2026-08-06PRTA5.64-8.1417.61
2026-08-07PRTA6.01-8.1417.61
DateTickerInsider TransactionsInstitutional TransactionsFloat Short
19 items Current Page1 of 1

Last Quarter Act. EPS

0.52

Avg. EPS Est. Current Quarter

-0.38

Avg. EPS Est. Next Quarter

-0.38

Insider Transactions

6.01

Institutional Transactions

-8.14

Beta

-0.34

Average Sales Estimate Current Quarter

Average Sales Estimate Next Quarter

9

Fair Value

Quality Score

21

Growth Score

29

Sentiment Score

88

Actual DrawDown %

89

Max Drawdown 5-Year %

-94.2

Target Price

21.4

P/E

Forward P/E

PEG

P/S

8.4

P/B

1.56

P/Free Cash Flow

EPS

-0.83

Average EPS Est. Cur. Y​

0.05

EPS Next Y. (Est.)

-1.31

Target Price Estimates Raised

Target Price Estimates Lowered

Profit Margin

-80.67

Relative Volume

0.83

Return on Equity vs Sector %

-75.7

Return on Equity vs Industry %

-59.6

EPS 1 7Days Diff

-0.6

EPS 1 30Days Diff

-0.59

EBIT Estimation

PRTA Healthcare
$8.75
📉
Swing / Pullback
Buy the dip on strong trends
N/A
0 /100
WEAK
Trend
2/20
Pullback
13/25
Volume
7/15
Valuation
12/20
TP/AR
1/10
Options
7/10
RSI
50.2
Range 1M
36.1%
Sup Dist
4.6%
🚀
Momentum Growth
Ride accelerating trends
N/A
25 /100
WEAK
Momentum
1/25
Growth
17/30
Estimates
0/20
Inst/Vol
0/15
Options
7/10
EPS Yr
102.8%
52W%
30.5%
💎
Long-Term Value
Quality companies, undervalued
N/A
0 /100
WEAK
🟢 BUY +144.6% upside
Quality
7/30
Valuation
16/30
Growth
12/25
Stability
8/10
LT Trend
0/5
Upside
+144.6%
Quality
21
PRTA — P/E HistoricalBiotechnology
Prothena Corporation plc
Sector: Healthcare
Industry: Biotechnology
Employees: 67
Prothena Corporation plc, a late-stage clinical biotechnology company, focuses on discovery and development of novel therapies to treat diseases caused by protein dysregulation. Its product pipeline includes Prasinezumab, an investigational humanized monoclonal antibody which is in Phase 3 clinical trial for the treatment of parkinson's disease and other synucleinopathies. The company also develops Coramitug, an investigational antibody, which is in Phase 3 clinical trial for the treatment of transthyretin amyloidosis; BMS-986446, an anti-tau antibody which is in Phase 2 clinical trial to treat Alzheimer's disease; PRX019, an investigational antibody which is in Phase 1 clinical trial for the treatment of neurodegenerative diseases; and PRX123, a Dual Aß-Tau Vaccine, which is in preclinical trial for treating Alzheimer's disease. In addition, it develops discovery- and late-preclinical-stage programs include TDP-43 CYTOPE for the treatment of amyotrophic lateral sclerosis; PRX012, a next-generation anti-Aß antibody which is in phase 1 clinical trial to treat Alzheimer's disease; and PRX012-TfR, a preclinical program for the treatment of Alzheimer's disease. It has a license, development, and commercialization agreement with F. Hoffmann-La Roche Ltd. and Hoffmann-La Roche Inc. to develop and commercialize antibodies that target a-synuclein, including prasinezumab; and master collaboration agreement with Bristol Myers Squibb to develop and commercialize antibodies targeting tau, TDP-43. Prothena Corporation plc was incorporated in 2012 and is based in Dublin, Ireland.
PRTA

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