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CHY vs SPY: Correlation

How closely do Calamos Convertible and High Income Fund - Closed End Fund (CHY) and SPDR S&P 500 ETF Trust (SPY) trade together? Their weekly returns over three years give a correlation of 0.68, which is strong.

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

Correlation (3Y)
0.68
strong
Correlation (1Y)
0.78
last 12 months
Correlation (5Y)
0.70
long-run
Ann. covariance
162.1
%² · weekly, annualized

How correlated are CHY and SPY?

Over the past 3 years, CHY and SPY moved with a correlation of 0.68, which is strong. Recent behaviour matches the longer record: 0.78 over 1 year against 0.68 over 3. Over 5 years the correlation is 0.70, and the annualized covariance of weekly returns is 162.1 %².

Among the 10 assets we track against CHY, SPY sits near the bottom by co-movement, at rank #7. The trailing year gives CHY the advantage: +32.8% versus +20.6%, a 12.2-point spread.

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.

CHY vs SPY: side by side

CHY (Calamos Convertible and High Income Fund - Closed End Fund)SPY (SPDR S&P 500 ETF Trust)
1-year return+32.8%+20.6%
5-year return+33.7%+82.4%
Volatility (ann.)16.4%14.5%
Beta vs S&P 5000.781.00
Max drawdown (3Y)-24.3%-18.8%
Market cap$1.1B
P/E (trailing)3.1
Dividend yield9.22%1.01%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryUS ListedETF · US Large Cap
Higher yield: CHY 9.22% vs 1.01%Smaller drawdown: SPY -18.8% vs -24.3%Higher 5y return: SPY +82.4% vs +33.7%

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.

-1%0%+36%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. CHY · SPY

Year-by-year returns

YearCHYSPY
2022-28.0%-18.2%
2023+20.8%+26.2%
2024+17.2%+24.9%
2025+4.0%+17.7%
2026+22.3%+13.7%

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

Are CHY and SPY good diversifiers for each other?

To a limited degree. At 0.68 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

FAQ

What is the correlation between CHY and SPY?

The CHY/SPY correlation stands at 0.68 on a 3-year window (1 year: 0.78, 5 years: 0.70), computed from weekly returns as of 2026-08-27.

Is SPY a good diversifier for CHY?

To a limited degree. At 0.68 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

What does a correlation of 0.68 mean?

A reading of 0.68 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

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CHY vs SPY: 3-year weekly correlation 0.68CHY vs SPY0.68

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Hubs: CHY correlations · SPY correlations