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ENS vs FNGD: Correlation

How closely do EnerSys (ENS) and MicroSectors FANG Index -3X Inverse Leveraged ETNs due (FNGD) trade together? Their weekly returns over three years give a correlation of -0.30, which is negative.

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

Correlation (3Y)
-0.30
negative
Correlation (1Y)
-0.21
last 12 months
Correlation (5Y)
-0.43
long-run
Ann. covariance
-687.2
%² · weekly, annualized

How correlated are ENS and FNGD?

Over the past 3 years, ENS and FNGD moved with a correlation of -0.30, which is negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.21 over 1 year against -0.30 over 3. Over 5 years the correlation is -0.43, and the annualized covariance of weekly returns is -687.2 %².

Among the 11 assets we track against ENS, FNGD sits near the bottom by co-movement, at rank #9. The last year tells two different stories: ENS led by 143.6 percentage points, +87.9% for ENS against -55.7% for FNGD. One caveat on sizing: FNGD is 2.5 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.

ENS vs FNGD: side by side

ENS (EnerSys)FNGD (MicroSectors FANG Index -3X Inverse Leveraged ETNs due)
1-year return+87.9%-55.7%
5-year return+131.9%-99.4%
Volatility (ann.)30.1%75.7%
Beta vs S&P 5001.09-4.54
Max drawdown (3Y)-28.2%-97.6%
Market cap$6.9B
P/E (trailing)20.720.6
Dividend yield0.54%0.00%
Sector / categoryUS ListedUS Listed
Lower P/E: FNGD 20.6 vs 20.7Higher yield: ENS 0.54% vs 0.00%Smaller drawdown: ENS -28.2% vs -97.6%Higher 5y return: ENS +131.9% vs -99.4%
-52%0%+130%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). ENS · FNGD

Year-by-year returns

YearENSFNGD
2022-5.6%+52.2%
2023+37.9%-90.1%
2024-7.6%-76.6%
2025+60.3%-61.4%
2026+30.5%-49.5%

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

Are ENS and FNGD good diversifiers for each other?

Yes: at -0.30, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between ENS and FNGD?

Using weekly returns as of 2026-08-27: -0.30 over 3 years, with -0.21 over the last year and -0.43 over 5 years.

Is FNGD a good diversifier for ENS?

Yes: at -0.30, the two have gone their own ways historically, which is what genuine diversification looks like.

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.

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ENS vs FNGD: 3-year weekly correlation -0.30ENS vs FNGD-0.30

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Hubs: ENS correlations · FNGD correlations