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AIRE vs SPY: Correlation

How closely do reAlpha Tech Corp. (AIRE) and SPDR S&P 500 ETF Trust (SPY) trade together? Their weekly returns over three years give a correlation of 0.13, which is weak.

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

Correlation (3Y)
0.13
weak
Correlation (1Y)
0.25
last 12 months
Correlation (5Y)
n/a
long-run
Ann. covariance
417.7
%² · weekly, annualized

How correlated are AIRE and SPY?

Over the past 3 years, AIRE and SPY moved with a correlation of 0.13, which is weak. The link has tightened recently: the 1-year correlation (0.25) runs above the 3-year figure (0.13). Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is 417.7 %².

By 3-year correlation, SPY places #12 of the 18 assets tracked against AIRE. Their recent paths diverged sharply: over the last 12 months SPY outperformed by 101.0 percentage points (-80.4% for AIRE against +20.6% for SPY). Note the risk asymmetry: AIRE runs 15.7 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.

AIRE vs SPY: side by side

AIRE (reAlpha Tech Corp.)SPY (SPDR S&P 500 ETF Trust)
1-year return-80.4%+20.6%
5-year returnn/a+82.4%
Volatility (ann.)227.0%14.5%
Beta vs S&P 5002.001.00
Max drawdown (3Y)-100.0%-18.8%
Market cap
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 -100.0%

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.

-86%0%+257%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. AIRE · SPY

Year-by-year returns

YearAIRESPY
2022-18.2%
2023+26.2%
2024+45.2%+24.9%
2025-85.6%+17.7%
2026-83.8%+13.7%

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

Are AIRE and SPY good diversifiers for each other?

Yes: at 0.13, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between AIRE and SPY?

As of 2026-08-27, the correlation of weekly returns between AIRE and SPY is 0.13 over 3 years, 0.25 over 1 year and n/a over 5 years.

Is SPY a good diversifier for AIRE?

Yes: at 0.13, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of 0.13 mean?

A reading of 0.13 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

Use this data

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/aire-vs-spy.json

AIRE vs SPY: 3-year weekly correlation 0.13AIRE vs SPY0.13

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Hubs: AIRE correlations · SPY correlations