CRL vs VXX: Correlation
Measured on weekly returns over the past three years, Charles River Laboratories (CRL) and iPath Series B S&P 500 VIX Short-Term Futures ETN (VXX) carry a correlation of -0.31, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CRL and VXX?
Over the past 3 years, CRL and VXX moved with a correlation of -0.31, which is negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.34) sits close to the 3-year figure. Over 5 years the correlation is -0.35, and the annualized covariance of weekly returns is -894.9 %².
Out of 33 assets tracked against CRL, VXX lands near the bottom at #32. The last year tells two different stories: CRL led by 131.8 percentage points, +82.1% for CRL against -49.7% for VXX.
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.
CRL vs VXX: side by side
| CRL (Charles River Laboratories) | VXX (iPath Series B S&P 500 VIX Short-Term Futures ETN) | |
|---|---|---|
| 1-year return | +82.1% | -49.7% |
| 5-year return | -33.3% | -95.6% |
| Volatility (ann.) | 47.9% | 60.9% |
| Beta vs S&P 500 | 0.92 | -3.31 |
| Max drawdown (3Y) | -63.5% | -83.3% |
| Market cap | $14.3B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | Health Care | US Listed |
Year-by-year returns
| Year | CRL | VXX |
|---|---|---|
| 2022 | -42.2% | -23.8% |
| 2023 | +8.5% | -72.5% |
| 2024 | -21.9% | -26.2% |
| 2025 | +8.1% | -42.2% |
| 2026 | +48.6% | -31.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CRL and VXX good diversifiers for each other?
Yes. With a correlation of -0.31, CRL and VXX have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between CRL and VXX?
As of 2026-08-27, the correlation of weekly returns between CRL and VXX is -0.31 over 3 years, -0.34 over 1 year and -0.35 over 5 years.
Is VXX a good diversifier for CRL?
Yes. With a correlation of -0.31, CRL and VXX have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.31 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/crl-vs-vxx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/crl-vs-vxx/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: CRL correlations · VXX correlations
