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STRA vs VXZ: Correlation

Strategic Education, Inc. (STRA) and iPath Series B S&P 500 VIX Mid-Term Futures ETN (VXZ) show a negative relationship: their 3-year correlation of weekly returns is -0.44.

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

Correlation (3Y)
-0.44
negative
Correlation (1Y)
-0.30
last 12 months
Correlation (5Y)
-0.42
long-run
Ann. covariance
-392.6
%² · weekly, annualized

How correlated are STRA and VXZ?

On 3 years of weekly data the STRA/VXZ correlation comes out at -0.44, negative, meaning they tend to move in opposite directions. The past 12 months show a tighter link (-0.30) than the 3-year average (-0.44). The 5-year figure is -0.42, and annualized covariance runs at -392.6 %².

Among the 13 assets we track against STRA, VXZ sits near the bottom by co-movement, at rank #12. Their recent paths diverged sharply: over the last 12 months STRA outperformed by 24.2 percentage points (+8.1% for STRA against -16.1% for VXZ).

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.

STRA vs VXZ: side by side

STRA (Strategic Education, Inc.)VXZ (iPath Series B S&P 500 VIX Mid-Term Futures ETN)
1-year return+8.1%-16.1%
5-year return+27.6%-53.1%
Volatility (ann.)34.7%25.6%
Beta vs S&P 5000.80-1.31
Max drawdown (3Y)-38.1%-36.4%
Market cap$1.9B
P/E (trailing)14.2
Dividend yield2.81%
Sector / categoryUS ListedUS Listed
Smaller drawdown: VXZ -36.4% vs -38.1%Higher 5y return: STRA +27.6% vs -53.1%
-16%0%+9%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. STRA · VXZ

Year-by-year returns

YearSTRAVXZ
2022+40.4%+0.5%
2023+21.4%-44.0%
2024+3.5%-12.7%
2025-11.6%+5.7%
2026+8.3%-10.5%

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

Are STRA and VXZ good diversifiers for each other?

Yes: at -0.44, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between STRA and VXZ?

As of 2026-08-27, the correlation of weekly returns between STRA and VXZ is -0.44 over 3 years, -0.30 over 1 year and -0.42 over 5 years.

Is VXZ a good diversifier for STRA?

Yes: at -0.44, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of -0.44 mean?

On the −1 to +1 scale, -0.44 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

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

STRA vs VXZ: 3-year weekly correlation -0.44STRA vs VXZ-0.44

Drop this badge in a README or notebook; it updates with the data:

[![STRA vs VXZ correlation](https://www.pairbook.io/api/v1/badge/stra-vs-vxz.svg)](https://www.pairbook.io/pair/stra-vs-vxz/)

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

Related comparisons

Hubs: STRA correlations · VXZ correlations