MAR vs XLI: Correlation
Marriott International (MAR) and Industrial Select Sector SPDR Fund (XLI) show a strong relationship: their 3-year correlation of weekly returns is 0.62.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MAR and XLI?
Across a 3-year window, the weekly returns of MAR and XLI correlate at 0.62, strong. The link has loosened recently: the 1-year correlation (0.34) runs below the 3-year figure (0.62). Stretching to 5 years gives 0.62, with an annualized covariance of 240.2 %².
By 3-year correlation, XLI places #10 of the 40 assets tracked against MAR. On 12-month performance MAR holds a 14.0-point edge, +32.3% against +18.3%. The rolling one-year correlation moved between 0.36 and 0.77 over the past three years, a moderate range. One caveat on sizing: MAR is 1.6 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.
MAR vs XLI: side by side
| MAR (Marriott International) | XLI (Industrial Select Sector SPDR Fund) | |
|---|---|---|
| 1-year return | +32.3% | +18.3% |
| 5-year return | +173.2% | +84.0% |
| Volatility (ann.) | 24.6% | 15.7% |
| Beta vs S&P 500 | 0.97 | 0.89 |
| Max drawdown (3Y) | -30.5% | -18.5% |
| Market cap | $92.3B | – |
| P/E (trailing) | 36.7 | – |
| Dividend yield | 0.76% | 1.15% |
| Expense ratio | – | 0.08% |
| Assets under management | – | $32.9B |
| Sector / category | Consumer Discretionary | Sector ETF |
XLI is an Industrials fund from State Street Investment Management: $32.9B under management, 83 holdings, a 0.08% expense ratio, a 1.15% trailing dividend yield.
Year-by-year returns
| Year | MAR | XLI |
|---|---|---|
| 2022 | -9.3% | -5.6% |
| 2023 | +53.1% | +18.1% |
| 2024 | +24.9% | +17.3% |
| 2025 | +12.3% | +19.3% |
| 2026 | +14.7% | +15.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MAR and XLI good diversifiers for each other?
Somewhat, no more. With 0.62 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between MAR and XLI?
Using weekly returns as of 2026-08-27: 0.62 over 3 years, with 0.34 over the last year and 0.62 over 5 years.
Is XLI a good diversifier for MAR?
Somewhat, no more. With 0.62 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.62 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/mar-vs-xli.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/mar-vs-xli/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: MAR correlations · XLI correlations
