PRTA Prothena Corporation plc Ordinary Shares

together opposite · bar = ρ at each lag, −10 … 0 … +10 days · holdout ρ · click a card for the full picture

PRTA vs BBP

Both indexed to 100 at 2026-05-11.

PRTA BBP · range 82–126 · 2026-05-11 → 2026-11-06

Same day, ranked by what's left after the market and sector factors are removed ("beyond mkt").

BBP Virtus Biotech ETF

ρ +0.54beyond mkt +0.20holdout +0.57stable 100%robust

DDD 3D Systems Corporation

ρ +0.34beyond mkt +0.18holdout +0.28stable 100%robust

VYGR Voyager Therapeutics, Inc. Common Stock

ρ +0.44beyond mkt +0.14holdout +0.47stable 100%robust

DNLI Denali Therapeutics Inc. Common Stock

ρ +0.46beyond mkt +0.14holdout +0.46stable 100%robust

VIR Vir Biotechnology, Inc. Common Stock

ρ +0.45beyond mkt +0.14holdout +0.49stable 100%robust

XBI State Street SPDR S&P Biotech ETF

ρ +0.52beyond mkt +0.14holdout +0.53stable 100%robust

No day-to-day relationship, but 5- or 10-day returns move together.

IRWD Ironwood Pharmaceuticals, Inc. Class A Common Stock

horizon 10dρ +0.47holdout +0.58stable 75%robust

LILAK Liberty Latin America Ltd. Class C Common Stock

horizon 10dρ +0.42holdout +0.34stable 38%moderate

Biggest shifts in same-day correlation over the last 63 trading days versus the year before.

PLRZ Polyrizon Ltd. Ordinary Shares

Δ -0.46recent -0.33prior +0.12beyond mkt +0.01

ELF e.l.f. Beauty, Inc.

Δ +0.45recent +0.58prior +0.13beyond mkt -0.03

FRNM Freenome, Inc. Common stock

Δ +0.45recent +0.38prior -0.07beyond mkt -0.05

PDSB PDS Biotechnology Corporation Common Stock

Δ -0.42recent -0.10prior +0.31beyond mkt +0.01

NOC Northrop Grumman Corp.

Δ -0.40recent -0.31prior +0.10beyond mkt -0.01

MSB Mesabi Trust

Δ +0.39recent +0.55prior +0.16beyond mkt +0.10