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PRTA

Conviction 29HealthcareScan · Fri, Oct 9, 2026

Prothena Corp Public Ltd Co (PRTA) closed at $8.82 (+2.44%) on Oct 9, 2026. Price is below its 50-day and below its 200-day moving average. RSI(14) 53, RS Rating 32, -23.4% from its 52-week high, -4.1% year to date. Sector: Healthcare · PHARMACEUTICAL PREPARATIONS.

PRTA$8.82+2.44%
ResistanceSupportVol 14Insider buy
63 bars
2
Vol MA14 574.5K
Jul 14Jul 30Aug 18Sep 3Sep 23Oct 9
PROTHENA CORP PUBLIC LTD COPHARMACEUTICAL PREPARATIONSwww.prothena.com ↗
Price8.82
Change+2.44%
Gap+0.23%
Rel volume1.63×
Avg volume586.92K
Avg $ vol5M
SMA 208.51
SMA 508.86
SMA 2009.30
Price vs 50-0.51%
Price vs 200-5.11%
MA stackbearish
50/200 cross—
Supertrenddown · 9.26
RSI (14)53
MACD hist0.03
MACD crossbull · 1d
Stoch %K / %D68 / 61
ADX (14)14
+DI / −DI25 / 20
RSI divergence—
MACD divergenceBullish
ATR %5.14%
ADR %5.05%
52w high11.51
52w low7.91
From 52w high-23.37%
Above 52w low+11.50%
New 52w highNo
SqueezeOn · 3d
Bollinger width11.22%
%B0.82
Donchian pos68.00%
Donchian high9.30
Donchian low7.80
AVWAP (52w high)9.03
vs AVWAP high-2.33%
AVWAP (52w low)8.87
vs AVWAP low-0.59%
OBV trendFlat
Chaikin MF (20)0.06
Today vs 20d1.63×
Avg vol (14d)574.5K
Avg vol (20d)586.92K
Avg $ vol (20d)5M
Market cap452.79M
RS Rating32 / 99
RS 3m (vs SPY)-4.03%
RS 6m (vs SPY)-30.58%
RS line new highNo
Trend template2/8
Technical rank44.5
1 week+5.50%
1 month-2.22%
3 months-0.11%
6 months-16.00%
1 year-14.78%
YTD-4.13%
P/E-1.85
P/B1.58
P/S46.76
P/FCF—
EPS-4.53
Div yield—
ROE-85.08%
ROA-80.67%
Debt/Eq—
Current25.05
EV/EBITDA-0.77
Gross margin—
Net margin—
Rev growth-92.84%
EPS growth-99.57%
Price target26.33
Target upside198.53%
Analyst ratingBuy
Institutional97.12%
Ent. value164.6M
Revenue1.01M
Net income-18.58M
Gross profit—
Free cash flow—
IndustryPHARMACEUTICAL PREPARATIONS
ExchangeNasdaq
Shares out—
Employees67
ListedTue, Dec 18, 2012
Free float42.2M
Float %80.6%
Short interest8.5M
Days to cover24.9d
Short volume44.4%
Squeeze score77 / 100
Next earnings—
EPS forecast—
Last EPS vs est−$0.32 vs −$0.39
Last surprise+17.9% beat
Setup gradeD
Conviction29 / 100
Pattern quality—
Tech rank44.5 / 100
Group rank14 / 100
Status laneNo active setup
Setup direction—
Pattern family
Resistance9.85
Support7.94
Days since event—
Candle confirm—

Financials as of Tue, Jun 30, 2026 · quarterly.

Congress activity

Disclosed STOCK Act trades in PRTA

All disclosures →
No recent disclosed trades by Congress in PRTA. STOCK Act filings can lag the trade by up to 45 days.

Insider activity

SEC Form 4 transactions in PRTA · open-market 6 buys

InsiderSideShares
SCULLY WILLIAM P
10% owner · Ordinary Shares, par value $0.01 per share · 2026-09-18
Buy100K
SCULLY WILLIAM P
10% owner · Ordinary Shares, par value $0.01 per share · 2026-08-20
Buy50K
SCULLY WILLIAM P
10% owner · Ordinary Shares, par value $0.01 per share · 2026-08-18
Gift627.55K
SCULLY WILLIAM P
10% owner · Ordinary Shares, par value $0.01 per share · 2026-08-17
Gift336K
SCULLY WILLIAM P
10% owner · Ordinary Shares, par value $0.01 per share · 2026-08-10
Gift251.55K
SCULLY WILLIAM P
10% owner · Ordinary Shares, par value $0.01 per share · 2026-08-07
Buy34K
SCULLY WILLIAM P
10% owner · Ordinary Shares, par value $0.01 per share · 2026-08-07
Buy3.5K
SCULLY WILLIAM P
10% owner · Ordinary Shares, par value $0.01 per share · 2026-06-16
Buy20K
SCULLY WILLIAM P
10% owner · Ordinary Shares, par value $0.01 per share · 2026-06-04
Other—
SCULLY WILLIAM P
10% owner · Ordinary Shares, par value $0.01 per share · 2026-06-04
Buy50K

SEC filings

EDGAR filings in PRTA · 10 recent

EDGAR →

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