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CIGI vs SPY: Correlation

How closely do Colliers International Group Inc. - Subordinate Voting (CIGI) and SPDR S&P 500 ETF Trust (SPY) trade together? Their weekly returns over three years give a correlation of 0.46, which is moderate.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.46
moderate
Correlation (1Y)
0.42
last 12 months
Correlation (5Y)
0.54
long-run
Ann. covariance
204.4
%² · weekly, annualized

How correlated are CIGI and SPY?

On 3 years of weekly data the CIGI/SPY correlation comes out at 0.46, moderate. The relationship has been stable: the 1-year correlation (0.42) sits close to the 3-year figure. The 5-year figure is 0.54, and annualized covariance runs at 204.4 %².

Among the 14 assets we track against CIGI, SPY sits near the bottom by co-movement, at rank #10. The last year tells two different stories: SPY led by 58.5 percentage points, -37.9% for CIGI against +20.6% for SPY. Note the risk asymmetry: CIGI runs 2.1 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.

CIGI vs SPY: side by side

CIGI (Colliers International Group Inc. - Subordinate Voting)SPY (SPDR S&P 500 ETF Trust)
1-year return-37.9%+20.6%
5-year return-24.2%+82.4%
Volatility (ann.)30.6%14.5%
Beta vs S&P 5000.981.00
Max drawdown (3Y)-47.5%-18.8%
Market cap$5.3B
P/E (trailing)48.8
Dividend yield0.29%1.01%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryUS ListedETF · US Large Cap
Higher yield: SPY 1.01% vs 0.29%Smaller drawdown: SPY -18.8% vs -47.5%Higher 5y return: SPY +82.4% vs -24.2%

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.

-45%0%+21%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. CIGI · SPY

Year-by-year returns

YearCIGISPY
2022-37.9%-18.2%
2023+37.8%+26.2%
2024+7.7%+24.9%
2025+8.4%+17.7%
2026-29.8%+13.7%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are CIGI and SPY good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.46 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between CIGI and SPY?

The CIGI/SPY correlation stands at 0.46 on a 3-year window (1 year: 0.42, 5 years: 0.54), computed from weekly returns as of 2026-08-27.

Is SPY a good diversifier for CIGI?

Yes, to a useful degree: a correlation of 0.46 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.46 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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CIGI vs SPY: 3-year weekly correlation 0.46CIGI vs SPY0.46

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Hubs: CIGI correlations · SPY correlations