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SPY vs ULS: Correlation

SPDR S&P 500 ETF Trust (SPY) and UL Solutions Inc. (ULS) show a weak relationship: their 3-year correlation of weekly returns is 0.19.

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

Correlation (3Y)
0.19
weak
Correlation (1Y)
0.09
last 12 months
Correlation (5Y)
n/a
long-run
Ann. covariance
98.7
%² · weekly, annualized

How correlated are SPY and ULS?

Across a 3-year window, the weekly returns of SPY and ULS correlate at 0.19, weak. The relationship has been stable: the 1-year correlation (0.09) sits close to the 3-year figure. Stretching to 5 years gives n/a, with an annualized covariance of 98.7 %².

Within SPY's tracked universe of 4755 assets, ULS comes in at #3398 by 3-year correlation. Neither side won the trailing year by much: +20.6% against +20.3%. Risk is not evenly split, since ULS carries 2.4 times the volatility of the other side.

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.

SPY vs ULS: side by side

SPY (SPDR S&P 500 ETF Trust)ULS (UL Solutions Inc.)
1-year return+20.6%+20.3%
5-year return+82.4%n/a
Volatility (ann.)14.5%35.3%
Beta vs S&P 5001.000.47
Max drawdown (3Y)-18.8%-29.4%
Market cap$15.3B
P/E (trailing)30.3
Dividend yield1.01%0.73%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryETF · US Large CapUS Listed
Higher yield: SPY 1.01% vs 0.73%Smaller drawdown: SPY -18.8% vs -29.4%

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%+62%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. SPY · ULS

Year-by-year returns

YearSPYULS
2022-18.2%
2023+26.2%
2024+24.9%
2025+17.7%+59.3%
2026+13.7%-3.9%

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

Are SPY and ULS good diversifiers for each other?

Yes: at 0.19, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between SPY and ULS?

As of 2026-08-27, the correlation of weekly returns between SPY and ULS is 0.19 over 3 years, 0.09 over 1 year and n/a over 5 years.

Is ULS a good diversifier for SPY?

Yes: at 0.19, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of 0.19 mean?

A reading of 0.19 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/spy-vs-uls.json

SPY vs ULS: 3-year weekly correlation 0.19SPY vs ULS0.19

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Hubs: SPY correlations · ULS correlations