MSCI vs SEIC: Correlation
MSCI (MSCI) and SEI Investments Company (SEIC) show a moderate relationship: their 3-year correlation of weekly returns is 0.54.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MSCI and SEIC?
Over the past 3 years, MSCI and SEIC moved with a correlation of 0.54, which is moderate. The past 12 months show a weaker link (0.44) than the 3-year average (0.54). Over 5 years the correlation is 0.62, and the annualized covariance of weekly returns is 282.9 %².
By 3-year correlation, SEIC places #5 of the 27 assets tracked against MSCI. Correlation aside, the last 12 months split them widely, with SEIC ahead by 23.1 points (+1.3% versus +24.4%).
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.
MSCI vs SEIC: side by side
| MSCI (MSCI) | SEIC (SEI Investments Company) | |
|---|---|---|
| 1-year return | +1.3% | +24.4% |
| 5-year return | -5.6% | +89.5% |
| Volatility (ann.) | 25.4% | 20.7% |
| Beta vs S&P 500 | 0.85 | 0.91 |
| Max drawdown (3Y) | -26.0% | -23.3% |
| Market cap | $41.4B | $13.4B |
| P/E (trailing) | 30.9 | 19.6 |
| Dividend yield | 1.36% | 0.94% |
| Sector / category | Financials | US Listed |
Year-by-year returns
| Year | MSCI | SEIC |
|---|---|---|
| 2022 | -23.3% | -2.9% |
| 2023 | +22.9% | +10.6% |
| 2024 | +7.3% | +31.5% |
| 2025 | -3.2% | +0.6% |
| 2026 | +0.3% | +36.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MSCI and SEIC good diversifiers for each other?
Somewhat, no more. With 0.54 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between MSCI and SEIC?
As of 2026-08-27, the correlation of weekly returns between MSCI and SEIC is 0.54 over 3 years, 0.44 over 1 year and 0.62 over 5 years.
Is SEIC a good diversifier for MSCI?
Somewhat, no more. With 0.54 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.54 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.
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Hubs: MSCI correlations · SEIC correlations