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PRTA correlations (Prothena Corporation plc)

PRTA measured against 4756 US stocks and ETFs: closest co-movers on one side, the best offsets on the other, all from weekly returns.

Data as of 2026-08-27 · refreshed every trading day · US Listed

Volatility (ann.)

57.9%

3y weekly

Beta vs S&P 500

0.93

3y weekly

1-year return

+6.2%

price, adjusted

5-year return

-86.9%

price, adjusted

Market cap

$0.5B

latest

Max drawdown

-91.9%

3y, daily closes

PRTA over the last 12 months, weekly closes indexed to 100 at the start.

Stocks and ETFs most correlated with PRTA

Asset		Correlation (3Y)
XBI	SPDR S&P Biotech ETF	0.55
IBB	iShares Biotechnology ETF	0.50
HQL	abrdn Life Sciences Investors Shares of Beneficial Interest	0.48
PRME	Prime Medicine, Inc.	0.46
HQH	abrdn Healthcare Investors Shares of Beneficial Interest	0.44

The least-correlated liquid assets in our universe, meaning the ones that historically moved most independently from PRTA.

Asset		Correlation (3Y)
SBET	Sharplink, Inc.	-0.30
VXZ	iPath Series B S&P 500 VIX Mid-Term Futures ETN	-0.26
SPRO	Spero Therapeutics, Inc.	-0.24

Free API · no key required

$ curl https://www.pairbook.io/api/v1/symbols/prta.json

Correlations, diversifiers, beta and volatility for PRTA, plus one endpoint per pair. API documentation.