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BRNX vs SPY: Correlation

Measured on weekly returns over the past three years, BrenX Ltd. (BRNX) and SPDR S&P 500 ETF Trust (SPY) carry a correlation of 0.03, a near-zero link.

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

Correlation (3Y)
0.03
near-zero
Correlation (1Y)
0.05
last 12 months
Correlation (5Y)
0.03
long-run
Ann. covariance
261.3
%² · weekly, annualized

How correlated are BRNX and SPY?

On 3 years of weekly data the BRNX/SPY correlation comes out at 0.03, near zero, meaning they move largely independently. Little has changed lately, as the 1-year reading of 0.05 lands near the 3-year figure. The 5-year figure is 0.03, and annualized covariance runs at 261.3 %².

By 3-year correlation, SPY places #18 of the 26 assets tracked against BRNX. Their recent paths diverged sharply: over the last 12 months SPY outperformed by 115.5 percentage points (-94.9% for BRNX against +20.6% for SPY). Risk is not evenly split, since BRNX carries 37.2 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.

BRNX vs SPY: side by side

BRNX (BrenX Ltd.)SPY (SPDR S&P 500 ETF Trust)
1-year return-94.9%+20.6%
5-year return-99.9%+82.4%
Volatility (ann.)539.2%14.5%
Beta vs S&P 5001.251.00
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%Higher 5y return: SPY +82.4% vs -99.9%

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.

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

Year-by-year returns

YearBRNXSPY
2022-18.2%
2023-57.4%+26.2%
2024-77.8%+24.9%
2025-92.4%+17.7%
2026-77.6%+13.7%

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

Are BRNX and SPY good diversifiers for each other?

By historical standards, yes. A correlation of 0.03 means the two rarely move for the same reasons.

FAQ

What is the correlation between BRNX and SPY?

As of 2026-08-27, the correlation of weekly returns between BRNX and SPY is 0.03 over 3 years, 0.05 over 1 year and 0.03 over 5 years.

Is SPY a good diversifier for BRNX?

By historical standards, yes. A correlation of 0.03 means the two rarely move for the same reasons.

What does a correlation of 0.03 mean?

A reading of 0.03 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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BRNX vs SPY: 3-year weekly correlation 0.03BRNX vs SPY0.03

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Hubs: BRNX correlations · SPY correlations