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APRE vs VTAK: Correlation

Aprea Therapeutics, Inc. (APRE) and Catheter Precision, Inc. (VTAK) show a moderate relationship: their 3-year correlation of weekly returns is 0.41.

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

Correlation (3Y)
0.41
moderate
Correlation (1Y)
0.18
last 12 months
Correlation (5Y)
0.32
long-run
Ann. covariance
5181.3
%² · weekly, annualized

How correlated are APRE and VTAK?

Over the past 3 years, APRE and VTAK moved with a correlation of 0.41, which is moderate. The past 12 months show a weaker link (0.18) than the 3-year average (0.41). Over 5 years the correlation is 0.32, and the annualized covariance of weekly returns is 5181.3 %².

Within APRE's tracked universe of 10 assets, VTAK comes in at #5 by 3-year correlation. The last year tells two different stories: APRE led by 45.5 percentage points, -46.2% for APRE against -91.7% for VTAK. One caveat on sizing: VTAK is 1.9 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.

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.

APRE vs VTAK: side by side

APRE (Aprea Therapeutics, Inc.)VTAK (Catheter Precision, Inc.)
1-year return-46.2%-91.7%
5-year return-99.0%-100.0%
Volatility (ann.)82.1%152.1%
Beta vs S&P 5002.101.39
Max drawdown (3Y)-93.0%-99.8%
Market cap
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: APRE -93.0% vs -99.8%Higher 5y return: APRE -99.0% vs -100.0%
-92%0%+12%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. APRE · VTAK

Year-by-year returns

YearAPREVTAK
2022-88.5%-92.4%
2023-29.0%-93.2%
2024-30.0%-88.7%
2025-74.1%-78.6%
2026+0.8%-88.9%

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

Are APRE and VTAK good diversifiers for each other?

A fair diversifier. At 0.41, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between APRE and VTAK?

The APRE/VTAK correlation stands at 0.41 on a 3-year window (1 year: 0.18, 5 years: 0.32), computed from weekly returns as of 2026-08-27.

Is VTAK a good diversifier for APRE?

A fair diversifier. At 0.41, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.41 mean?

On the −1 to +1 scale, 0.41 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/apre-vs-vtak.json

APRE vs VTAK: 3-year weekly correlation 0.41APRE vs VTAK0.41

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[![APRE vs VTAK correlation](https://www.pairbook.io/api/v1/badge/apre-vs-vtak.svg)](https://www.pairbook.io/pair/apre-vs-vtak/)

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Related comparisons

Hubs: APRE correlations · VTAK correlations