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PSIX vs VXX: Correlation

Measured on weekly returns over the past three years, Power Solutions International, Inc. (PSIX) and iPath Series B S&P 500 VIX Short-Term Futures ETN (VXX) carry a correlation of -0.32, a negative link.

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

Correlation (3Y)
-0.32
negative
Correlation (1Y)
-0.37
last 12 months
Correlation (5Y)
-0.28
long-run
Ann. covariance
-2050.5
%² · weekly, annualized

How correlated are PSIX and VXX?

On 3 years of weekly data the PSIX/VXX correlation comes out at -0.32, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.37) sits close to the 3-year figure. The 5-year figure is -0.28, and annualized covariance runs at -2050.5 %².

Out of 12 assets tracked against PSIX, VXX lands near the bottom at #11. Neither side won the trailing year by much: -53.6% against -49.7%. Risk is not evenly split, since PSIX carries 1.7 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.

PSIX vs VXX: side by side

PSIX (Power Solutions International, Inc.)VXX (iPath Series B S&P 500 VIX Short-Term Futures ETN)
1-year return-53.6%-49.7%
5-year return+670.8%-95.6%
Volatility (ann.)104.2%60.9%
Beta vs S&P 5002.68-3.31
Max drawdown (3Y)-78.0%-83.3%
Market cap$0.9B
P/E (trailing)12.4
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: PSIX -78.0% vs -83.3%Higher 5y return: PSIX +670.8% vs -95.6%
-68%0%+27%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. PSIX · VXX

Year-by-year returns

YearPSIXVXX
2022+0.0%-23.8%
2023-31.7%-72.5%
2024+1351.2%-26.2%
2025+92.1%-42.2%
2026-33.9%-31.6%

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

Are PSIX and VXX good diversifiers for each other?

By historical standards, yes. A correlation of -0.32 means the two rarely move for the same reasons.

FAQ

What is the correlation between PSIX and VXX?

The PSIX/VXX correlation stands at -0.32 on a 3-year window (1 year: -0.37, 5 years: -0.28), computed from weekly returns as of 2026-08-27.

Is VXX a good diversifier for PSIX?

By historical standards, yes. A correlation of -0.32 means the two rarely move for the same reasons.

What does a correlation of -0.32 mean?

On the −1 to +1 scale, -0.32 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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PSIX vs VXX: 3-year weekly correlation -0.32PSIX vs VXX-0.32

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Related comparisons

Hubs: PSIX correlations · VXX correlations