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
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 500 | 2.10 | 1.39 |
| Max drawdown (3Y) | -93.0% | -99.8% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | APRE | VTAK |
|---|---|---|
| 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
$ curl https://www.pairbook.io/api/v1/pairs/apre-vs-vtak.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/apre-vs-vtak/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: APRE correlations · VTAK correlations