What is LOPJLB’s current signal on PRTA?

LOPJLB’s latest quantitative signal on Prothena Corporation plc (PRTA) is SELL in a RECOVERY regime. Signals are updated daily.

What market regime is PRTA in?

Prothena Corporation plc (PRTA) is currently classified in the RECOVERY HMM market regime on LOPJLB.

What does Prothena Corporation plc (PRTA) do?

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 deve…

Where is Prothena Corporation plc based / listed?

Prothena Corporation plc is based in IE, listed on NASDAQ.

Prothena Corporation plc (PRTA)

COMPARE

Healthcare · Biotechnology · NASDAQ · IE

$8.84+2.67%Close

SELLRECOVERY · day 3

RANGE

DATA 2026-10-09

LOPJLB.COM

OHLCEMALEVELSSTOPFLIP52WSIGNALSBUYSELLEXHEXH ZONEBEST

Key stats

Short interest · FINRA settlement 2026-09-30

Market cap: $463M
Beta: -0.33
P/E (TTM): -9.66

Short % float: 17.34%
Days to cover: 13.8
SI change: -6.3%

1W: +5.74%
1M: -2.00%

vs SPY 1W: +4.58%
vs SPY 1M: -4.99%

Industry peers

FMP comparable companies · ranked by market cap

BIIBBUYBiogen Inc.$32.3BBULLQ 19$218.43+3.33%
DNLISELLDenali Therapeutics Inc.$3.0BCRISISQ 8$18.67+4.18%
ANNXSELLAnnexon, Inc.$655MRECOVERYQ -8$4.00+0.50%

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