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BGT vs SPY: Correlation

Measured on weekly returns over the past three years, BlackRock Floating Rate Income Trust (BGT) and SPDR S&P 500 ETF Trust (SPY) carry a correlation of 0.54, a moderate link.

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

Correlation (3Y)
0.54
moderate
Correlation (1Y)
0.50
last 12 months
Correlation (5Y)
0.53
long-run
Ann. covariance
97.0
%² · weekly, annualized

How correlated are BGT and SPY?

On 3 years of weekly data the BGT/SPY correlation comes out at 0.54, moderate. The relationship has been stable: the 1-year correlation (0.50) sits close to the 3-year figure. The 5-year figure is 0.53, and annualized covariance runs at 97.0 %².

By 3-year correlation, SPY places #6 of the 11 assets tracked against BGT. The last year tells two different stories: SPY led by 19.8 percentage points, +0.8% for BGT against +20.6% for SPY.

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.

BGT vs SPY: side by side

BGT (BlackRock Floating Rate Income Trust)SPY (SPDR S&P 500 ETF Trust)
1-year return+0.8%+20.6%
5-year return+41.9%+82.4%
Volatility (ann.)12.4%14.5%
Beta vs S&P 5000.461.00
Max drawdown (3Y)-15.9%-18.8%
Market cap$0.3B
P/E (trailing)15.6
Dividend yield13.12%1.01%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryUS ListedETF · US Large Cap
Higher yield: BGT 13.12% vs 1.01%Smaller drawdown: BGT -15.9% vs -18.8%Higher 5y return: SPY +82.4% vs +41.9%

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.

-10%0%+21%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. BGT · SPY

Year-by-year returns

YearBGTSPY
2022-16.6%-18.2%
2023+26.3%+26.2%
2024+16.1%+24.9%
2025-0.9%+17.7%
2026+6.6%+13.7%

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

Are BGT and SPY good diversifiers for each other?

Only partially. A correlation of 0.54 means BGT and SPY share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

FAQ

What is the correlation between BGT and SPY?

Using weekly returns as of 2026-08-27: 0.54 over 3 years, with 0.50 over the last year and 0.53 over 5 years.

Is SPY a good diversifier for BGT?

Only partially. A correlation of 0.54 means BGT and SPY share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.54 mean?

On the −1 to +1 scale, 0.54 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.

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BGT vs SPY: 3-year weekly correlation 0.54BGT vs SPY0.54

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Hubs: BGT correlations · SPY correlations