PairBook
HomeFNGD › FNGD vs POWI

FNGD vs POWI: Correlation

How closely do MicroSectors FANG Index -3X Inverse Leveraged ETNs due (FNGD) and Power Integrations, Inc. (POWI) trade together? Their weekly returns over three years give a correlation of -0.41, which is negative.

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

Correlation (3Y)
-0.41
negative
Correlation (1Y)
-0.38
last 12 months
Correlation (5Y)
-0.48
long-run
Ann. covariance
-1432.1
%² · weekly, annualized

How correlated are FNGD and POWI?

Over the past 3 years, FNGD and POWI moved with a correlation of -0.41, which is negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.38 over 1 year against -0.41 over 3. Over 5 years the correlation is -0.48, and the annualized covariance of weekly returns is -1432.1 %².

Within FNGD's tracked universe of 1743 assets, POWI comes in at #1391 by 3-year correlation. Correlation aside, the last 12 months split them widely, with POWI ahead by 76.2 points (-55.7% versus +20.5%). One caveat on sizing: FNGD is 1.6 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.

FNGD vs POWI: side by side

FNGD (MicroSectors FANG Index -3X Inverse Leveraged ETNs due)POWI (Power Integrations, Inc.)
1-year return-55.7%+20.5%
5-year return-99.4%-46.7%
Volatility (ann.)75.7%46.5%
Beta vs S&P 500-4.541.59
Max drawdown (3Y)-97.6%-63.6%
Market cap$3.1B
P/E (trailing)20.6125.7
Dividend yield0.00%1.55%
Sector / categoryUS ListedUS Listed
Lower P/E: FNGD 20.6 vs 125.7Higher yield: POWI 1.55% vs 0.00%Smaller drawdown: POWI -63.6% vs -97.6%Higher 5y return: POWI -46.7% vs -99.4%
-52%0%+96%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. FNGD · POWI

Year-by-year returns

YearFNGDPOWI
2022+52.2%-22.1%
2023-90.1%+15.6%
2024-76.6%-24.0%
2025-61.4%-41.3%
2026-49.5%+56.7%

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

Are FNGD and POWI good diversifiers for each other?

By historical standards, yes. A correlation of -0.41 means the two rarely move for the same reasons.

FAQ

What is the correlation between FNGD and POWI?

Using weekly returns as of 2026-08-27: -0.41 over 3 years, with -0.38 over the last year and -0.48 over 5 years.

Is POWI a good diversifier for FNGD?

By historical standards, yes. A correlation of -0.41 means the two rarely move for the same reasons.

What does a correlation of -0.41 mean?

Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.

Use this data

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/fngd-vs-powi.json

FNGD vs POWI: 3-year weekly correlation -0.41FNGD vs POWI-0.41

Markdown for the live badge, attribution link included:

[![FNGD vs POWI correlation](https://www.pairbook.io/api/v1/badge/fngd-vs-powi.svg)](https://www.pairbook.io/pair/fngd-vs-powi/)

The core API is free. Terms and every endpoint in the API documentation.

Related comparisons

Hubs: FNGD correlations · POWI correlations