CRL vs XLV: Correlation
Charles River Laboratories (CRL) and Health Care Select Sector SPDR Fund (XLV) show a moderate relationship: their 3-year correlation of weekly returns is 0.47.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CRL and XLV?
Across a 3-year window, the weekly returns of CRL and XLV correlate at 0.47, moderate. Recent behaviour matches the longer record: 0.51 over 1 year against 0.47 over 3. Stretching to 5 years gives 0.53, with an annualized covariance of 329.9 %².
Among the 33 assets we track against CRL, XLV ranks #19 by 3-year correlation. The last year tells two different stories: CRL led by 54.6 percentage points, +82.1% for CRL against +27.5% for XLV. Across three years, the rolling one-year figure varied moderately, from 0.32 to 0.58. Note the risk asymmetry: CRL runs 3.3 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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 XLV: side by side
| CRL (Charles River Laboratories) | XLV (Health Care Select Sector SPDR Fund) | |
|---|---|---|
| 1-year return | +82.1% | +27.5% |
| 5-year return | -33.3% | +37.4% |
| Volatility (ann.) | 47.9% | 14.7% |
| Beta vs S&P 500 | 0.92 | 0.42 |
| Max drawdown (3Y) | -63.5% | -17.1% |
| Market cap | $14.3B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 1.56% |
| Expense ratio | – | 0.08% |
| Assets under management | – | $41.7B |
| Sector / category | Health Care | Sector ETF |
On the fund side, XLV sits in the Health category at State Street Investment Management, with $41.7B under management, 61 holdings, a 0.08% expense ratio, a 1.56% trailing dividend yield.
Year-by-year returns
| Year | CRL | XLV |
|---|---|---|
| 2022 | -42.2% | -2.1% |
| 2023 | +8.5% | +2.1% |
| 2024 | -21.9% | +2.5% |
| 2025 | +8.1% | +14.5% |
| 2026 | +48.6% | +11.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Fund exposure
CRL represents 0.23% of XLV's portfolio, so part of any move in XLV is CRL itself, and the correlation between them is partly mechanical.
Are CRL and XLV good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.47 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between CRL and XLV?
Using weekly returns as of 2026-08-27: 0.47 over 3 years, with 0.51 over the last year and 0.53 over 5 years.
Is XLV a good diversifier for CRL?
Yes, to a useful degree: a correlation of 0.47 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.47 mean?
A reading of 0.47 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/crl-vs-xlv.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/crl-vs-xlv/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: CRL correlations · XLV correlations
