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SPY vs UUUU: Correlation

SPDR S&P 500 ETF Trust (SPY) and Energy Fuels Inc (UUUU) show a moderate relationship: their 3-year correlation of weekly returns is 0.30.

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

Correlation (3Y)
0.30
moderate
Correlation (1Y)
0.38
last 12 months
Correlation (5Y)
0.36
long-run
Ann. covariance
305.4
%² · weekly, annualized

How correlated are SPY and UUUU?

Over the past 3 years, SPY and UUUU moved with a correlation of 0.30, which is moderate. The relationship has been stable: the 1-year correlation (0.38) sits close to the 3-year figure. Over 5 years the correlation is 0.36, and the annualized covariance of weekly returns is 305.4 %².

Within SPY's tracked universe of 4755 assets, UUUU comes in at #2252 by 3-year correlation. The last year tells two different stories: UUUU led by 17.5 percentage points, +20.6% for SPY against +38.1% for UUUU. Risk is not evenly split, since UUUU carries 4.8 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 UUUU: side by side

SPY (SPDR S&P 500 ETF Trust)UUUU (Energy Fuels Inc)
1-year return+20.6%+38.1%
5-year return+82.4%+207.4%
Volatility (ann.)14.5%70.3%
Beta vs S&P 5001.001.46
Max drawdown (3Y)-18.8%-61.5%
Market cap$3.9B
P/E (trailing)
Dividend yield1.01%0.00%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryETF · US Large CapUS Listed
Higher yield: SPY 1.01% vs 0.00%Smaller drawdown: SPY -18.8% vs -61.5%Higher 5y return: UUUU +207.4% vs +82.4%

SPY, State Street Investment Management's Large Blend fund, carries $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.

-2%0%+121%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. SPY · UUUU

Year-by-year returns

YearSPYUUUU
2022-18.2%-18.6%
2023+26.2%+15.8%
2024+24.9%-28.7%
2025+17.7%+183.4%
2026+13.7%+8.3%

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

Are SPY and UUUU good diversifiers for each other?

A fair diversifier. At 0.30, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between SPY and UUUU?

Using weekly returns as of 2026-08-27: 0.30 over 3 years, with 0.38 over the last year and 0.36 over 5 years.

Is UUUU a good diversifier for SPY?

A fair diversifier. At 0.30, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.30 mean?

On the −1 to +1 scale, 0.30 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.

Use this data

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

SPY vs UUUU: 3-year weekly correlation 0.30SPY vs UUUU0.30

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Hubs: SPY correlations · UUUU correlations