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BRK.B vs FGI: Correlation

How closely do Berkshire Hathaway (BRK.B) and FGI Industries Ltd. (FGI) trade together? Their weekly returns over three years give a correlation of -0.20, which is negative.

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

Correlation (3Y)
-0.20
negative
Correlation (1Y)
-0.25
last 12 months
Correlation (5Y)
-0.10
long-run
Ann. covariance
-426.3
%² · weekly, annualized

How correlated are BRK.B and FGI?

On 3 years of weekly data the BRK.B/FGI correlation comes out at -0.20, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.25 lands near the 3-year figure. The 5-year figure is -0.10, and annualized covariance runs at -426.3 %².

By 3-year correlation, FGI places #26 of the 31 assets tracked against BRK.B. The last year tells two different stories: FGI led by 73.4 percentage points, +1.6% for BRK.B against +75.0% for FGI. One caveat on sizing: FGI is 8.4 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.

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.

BRK.B vs FGI: side by side

BRK.B (Berkshire Hathaway)FGI (FGI Industries Ltd.)
1-year return+1.6%+75.0%
5-year return+76.3%-61.6%
Volatility (ann.)15.9%133.7%
Beta vs S&P 5000.431.29
Max drawdown (3Y)-14.9%-72.6%
Market cap$1,078.3B
P/E (trailing)12.7
Dividend yield0.00%0.00%
Sector / categoryFinancialsUS Listed
Smaller drawdown: BRK.B -14.9% vs -72.6%Higher 5y return: BRK.B +76.3% vs -61.6%
-10%0%+149%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. BRK.B · FGI

Year-by-year returns

YearBRK.BFGI
2022+3.3%
2023+15.5%-23.7%
2024+27.1%-52.7%
2025+10.9%+47.1%
2026+0.2%+31.4%

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

Are BRK.B and FGI good diversifiers for each other?

Yes: at -0.20, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between BRK.B and FGI?

Using weekly returns as of 2026-08-27: -0.20 over 3 years, with -0.25 over the last year and -0.10 over 5 years.

Is FGI a good diversifier for BRK.B?

Yes: at -0.20, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of -0.20 mean?

A reading of -0.20 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

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BRK.B vs FGI: 3-year weekly correlation -0.20BRK.B vs FGI-0.20

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Hubs: BRK.B correlations · FGI correlations