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ALLR vs PRTS: Correlation

How closely do Allarity Therapeutics, Inc. (ALLR) and CarParts.com, Inc. (PRTS) trade together? Their weekly returns over three years give a correlation of 0.38, which is moderate.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.38
moderate
Correlation (1Y)
0.36
last 12 months
Correlation (5Y)
0.30
long-run
Ann. covariance
2940.4
%² · weekly, annualized

How correlated are ALLR and PRTS?

On 3 years of weekly data the ALLR/PRTS correlation comes out at 0.38, moderate. The relationship has been stable: the 1-year correlation (0.36) sits close to the 3-year figure. The 5-year figure is 0.30, and annualized covariance runs at 2940.4 %².

In ALLR's tracked universe of 10 assets, PRTS sits right near the top at #1. Their 12-month results are close: -13.2% for ALLR against -9.2% for PRTS.

How is this computed?

Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.

ALLR vs PRTS: side by side

ALLR (Allarity Therapeutics, Inc.)PRTS (CarParts.com, Inc.)
1-year return-13.2%-9.2%
5-year return-100.0%-95.9%
Volatility (ann.)107.8%72.4%
Beta vs S&P 5001.250.44
Max drawdown (3Y)-99.9%-92.1%
Market cap$0.1B
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: PRTS -92.1% vs -99.9%Higher 5y return: PRTS -95.9% vs -100.0%
-62%0%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. ALLR · PRTS

Year-by-year returns

YearALLRPRTS
2022-97.2%-44.1%
2023-99.9%-49.5%
2024-99.6%-65.8%
2025-7.7%-53.7%
2026+27.8%+43.4%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are ALLR and PRTS good diversifiers for each other?

A fair diversifier. At 0.38, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between ALLR and PRTS?

As of 2026-08-27, the correlation of weekly returns between ALLR and PRTS is 0.38 over 3 years, 0.36 over 1 year and 0.30 over 5 years.

Is PRTS a good diversifier for ALLR?

A fair diversifier. At 0.38, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.38 mean?

On the −1 to +1 scale, 0.38 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.

Use this data

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/allr-vs-prts.json

ALLR vs PRTS: 3-year weekly correlation 0.38ALLR vs PRTS0.38

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Related comparisons

Hubs: ALLR correlations · PRTS correlations