CM vs SPY: Correlation
Measured on weekly returns over the past three years, Canadian Imperial Bank of Commerce (CM) and SPDR S&P 500 ETF Trust (SPY) carry a correlation of 0.42, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CM and SPY?
Over the past 3 years, CM and SPY moved with a correlation of 0.42, which is moderate. Recent behaviour matches the longer record: 0.41 over 1 year against 0.42 over 3. Over 5 years the correlation is 0.52, and the annualized covariance of weekly returns is 118.2 %².
SPY is close to the least connected end of CM's tracked universe, ranking #6 of 10. Their recent paths diverged sharply: over the last 12 months CM outperformed by 34.2 percentage points (+54.8% for CM against +20.6% for SPY).
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.
CM vs SPY: side by side
| CM (Canadian Imperial Bank of Commerce) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | +54.8% | +20.6% |
| 5-year return | +145.1% | +82.4% |
| Volatility (ann.) | 19.2% | 14.5% |
| Beta vs S&P 500 | 0.57 | 1.00 |
| Max drawdown (3Y) | -17.4% | -18.8% |
| Market cap | $104.3B | – |
| P/E (trailing) | 16.2 | – |
| Dividend yield | 0.00% | 1.01% |
| Expense ratio | – | 0.09% |
| Assets under management | – | $795.3B |
| Sector / category | US Listed | ETF · US Large Cap |
SPY is a Large Blend fund from State Street Investment Management: $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.
Year-by-year returns
| Year | CM | SPY |
|---|---|---|
| 2022 | -26.8% | -18.2% |
| 2023 | +26.5% | +26.2% |
| 2024 | +37.8% | +24.9% |
| 2025 | +46.5% | +17.7% |
| 2026 | +28.6% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CM and SPY good diversifiers for each other?
Reasonably. At 0.42, CM and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between CM and SPY?
As of 2026-08-27, the correlation of weekly returns between CM and SPY is 0.42 over 3 years, 0.41 over 1 year and 0.52 over 5 years.
Is SPY a good diversifier for CM?
Reasonably. At 0.42, CM and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.42 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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Related comparisons
Hubs: CM correlations · SPY correlations
