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SKYH vs SPY: Correlation

How closely do Sky Harbour Group Corporation (SKYH) and SPDR S&P 500 ETF Trust (SPY) trade together? Their weekly returns over three years give a correlation of 0.28, which is weak.

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

Correlation (3Y)
0.28
weak
Correlation (1Y)
0.41
last 12 months
Correlation (5Y)
0.18
long-run
Ann. covariance
235.4
%² · weekly, annualized

How correlated are SKYH and SPY?

On 3 years of weekly data the SKYH/SPY correlation comes out at 0.28, weak. The link has tightened recently: the 1-year correlation (0.41) runs above the 3-year figure (0.28). The 5-year figure is 0.18, and annualized covariance runs at 235.4 %².

By 3-year correlation, SPY places #6 of the 12 assets tracked against SKYH. Correlation aside, the last 12 months split them widely, with SPY ahead by 22.0 points (-1.4% versus +20.6%). Note the risk asymmetry: SKYH runs 4.0 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.

SKYH vs SPY: side by side

SKYH (Sky Harbour Group Corporation)SPY (SPDR S&P 500 ETF Trust)
1-year return-1.4%+20.6%
5-year return+4.5%+82.4%
Volatility (ann.)57.5%14.5%
Beta vs S&P 5001.131.00
Max drawdown (3Y)-39.9%-18.8%
Market cap$0.9B
P/E (trailing)
Dividend yield0.00%1.01%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryUS ListedETF · US Large Cap
Higher yield: SPY 1.01% vs 0.00%Smaller drawdown: SPY -18.8% vs -39.9%Higher 5y return: SPY +82.4% vs +4.5%

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.

-15%0%+21%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. SKYH · SPY

Year-by-year returns

YearSKYHSPY
2022-73.8%-18.2%
2023+263.2%+26.2%
2024+23.5%+24.9%
2025-24.8%+17.7%
2026+17.3%+13.7%

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

Are SKYH and SPY good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.28 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between SKYH and SPY?

As of 2026-08-27, the correlation of weekly returns between SKYH and SPY is 0.28 over 3 years, 0.41 over 1 year and 0.18 over 5 years.

Is SPY a good diversifier for SKYH?

Yes, to a useful degree: a correlation of 0.28 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.28 mean?

A reading of 0.28 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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SKYH vs SPY: 3-year weekly correlation 0.28SKYH vs SPY0.28

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Hubs: SKYH correlations · SPY correlations