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VXX vs XLK: Correlation

iPath Series B S&P 500 VIX Short-Term Futures ETN (VXX) and Technology Select Sector SPDR Fund (XLK) show a negative relationship: their 3-year correlation of weekly returns is -0.69.

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

Correlation (3Y)
-0.69
negative
Correlation (1Y)
-0.58
last 12 months
Correlation (5Y)
-0.62
long-run
Ann. covariance
-1006.6
%² · weekly, annualized

How correlated are VXX and XLK?

Across a 3-year window, the weekly returns of VXX and XLK correlate at -0.69, negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (-0.58) runs above the 3-year figure (-0.69). Stretching to 5 years gives -0.62, with an annualized covariance of -1006.6 %².

Within VXX's tracked universe of 2872 assets, XLK comes in at #2832 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months XLK outperformed by 93.1 percentage points (-49.7% for VXX against +43.4% for XLK). Risk is not evenly split, since VXX carries 2.5 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.

VXX vs XLK: side by side

VXX (iPath Series B S&P 500 VIX Short-Term Futures ETN)XLK (Technology Select Sector SPDR Fund)
1-year return-49.7%+43.4%
5-year return-95.6%+145.2%
Volatility (ann.)60.9%24.0%
Beta vs S&P 500-3.311.50
Max drawdown (3Y)-83.3%-25.7%
Market cap
P/E (trailing)
Dividend yield0.00%0.45%
Expense ratio0.08%
Assets under management$115.4B
Sector / categoryUS ListedSector ETF
Higher yield: XLK 0.45% vs 0.00%Smaller drawdown: XLK -25.7% vs -83.3%Higher 5y return: XLK +145.2% vs -95.6%

On the fund side, XLK sits in the Technology category at State Street Investment Management, with $115.4B under management, 73 holdings, a 0.08% expense ratio, a 0.45% trailing dividend yield.

-49%0%+46%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). VXX · XLK

Year-by-year returns

YearVXXXLK
2022-23.8%-27.7%
2023-72.5%+56.0%
2024-26.2%+21.6%
2025-42.2%+24.6%
2026-31.6%+31.3%

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

Are VXX and XLK good diversifiers for each other?

By historical standards, yes. A correlation of -0.69 means the two rarely move for the same reasons.

FAQ

What is the correlation between VXX and XLK?

Using weekly returns as of 2026-08-27: -0.69 over 3 years, with -0.58 over the last year and -0.62 over 5 years.

Is XLK a good diversifier for VXX?

By historical standards, yes. A correlation of -0.69 means the two rarely move for the same reasons.

What does a correlation of -0.69 mean?

On the −1 to +1 scale, -0.69 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.

Use this data

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$ curl https://www.pairbook.io/api/v1/pairs/vxx-vs-xlk.json

VXX vs XLK: 3-year weekly correlation -0.69VXX vs XLK-0.69

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Related comparisons

Hubs: VXX correlations · XLK correlations