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GWH vs LGL: Correlation

Measured on weekly returns over the past three years, ESS Tech, Inc. (GWH) and LGL Group, Inc. (The) (LGL) carry a correlation of -0.19, a negative link.

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

Correlation (3Y)
-0.19
negative
Correlation (1Y)
-0.20
last 12 months
Correlation (5Y)
-0.07
long-run
Ann. covariance
-754.9
%² · weekly, annualized

How correlated are GWH and LGL?

Over the past 3 years, GWH and LGL moved with a correlation of -0.19, which is negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.20 lands near the 3-year figure. Over 5 years the correlation is -0.07, and the annualized covariance of weekly returns is -754.9 %².

Out of 12 assets tracked against GWH, LGL lands near the bottom at #10. Their recent paths diverged sharply: over the last 12 months LGL outperformed by 91.2 percentage points (-76.2% for GWH against +15.0% for LGL). One caveat on sizing: GWH is 3.8 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.

GWH vs LGL: side by side

GWH (ESS Tech, Inc.)LGL (LGL Group, Inc. (The))
1-year return-76.2%+15.0%
5-year return-99.8%+78.3%
Volatility (ann.)122.3%32.1%
Beta vs S&P 5001.110.18
Max drawdown (3Y)-98.8%-27.2%
Market cap$0.1B
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: LGL -27.2% vs -98.8%Higher 5y return: LGL +78.3% vs -99.8%
-74%0%+285%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. GWH · LGL

Year-by-year returns

YearGWHLGL
2022-78.8%-5.8%
2023-53.1%+51.6%
2024-65.6%-2.8%
2025-68.0%-3.7%
2026-80.9%+28.2%

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

Are GWH and LGL good diversifiers for each other?

By historical standards, yes. A correlation of -0.19 means the two rarely move for the same reasons.

FAQ

What is the correlation between GWH and LGL?

As of 2026-08-27, the correlation of weekly returns between GWH and LGL is -0.19 over 3 years, -0.20 over 1 year and -0.07 over 5 years.

Is LGL a good diversifier for GWH?

By historical standards, yes. A correlation of -0.19 means the two rarely move for the same reasons.

What does a correlation of -0.19 mean?

On the −1 to +1 scale, -0.19 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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GWH vs LGL: 3-year weekly correlation -0.19GWH vs LGL-0.19

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Related comparisons

Hubs: GWH correlations · LGL correlations