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EMD vs VXZ: Correlation

How closely do Western Asset Emerging Markets Debt Fund Inc (EMD) and iPath Series B S&P 500 VIX Mid-Term Futures ETN (VXZ) trade together? Their weekly returns over three years give a correlation of -0.52, which is negative.

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

Correlation (3Y)
-0.52
negative
Correlation (1Y)
-0.64
last 12 months
Correlation (5Y)
-0.50
long-run
Ann. covariance
-186.2
%² · weekly, annualized

How correlated are EMD and VXZ?

On 3 years of weekly data the EMD/VXZ correlation comes out at -0.52, negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.64 versus -0.52 over 3 years. The 5-year figure is -0.50, and annualized covariance runs at -186.2 %².

VXZ is close to the least connected end of EMD's tracked universe, ranking #14 of 15. The last year tells two different stories: EMD led by 31.1 percentage points, +15.0% for EMD against -16.1% for VXZ. Note the risk asymmetry: VXZ runs 1.8 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.

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.

EMD vs VXZ: side by side

EMD (Western Asset Emerging Markets Debt Fund Inc)VXZ (iPath Series B S&P 500 VIX Mid-Term Futures ETN)
1-year return+15.0%-16.1%
5-year return+28.3%-53.1%
Volatility (ann.)14.1%25.6%
Beta vs S&P 5000.51-1.31
Max drawdown (3Y)-13.3%-36.4%
Market cap
P/E (trailing)6.7
Dividend yield0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: EMD -13.3% vs -36.4%Higher 5y return: EMD +28.3% vs -53.1%
-16%0%+13%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. EMD · VXZ

Year-by-year returns

YearEMDVXZ
2022-20.8%+0.5%
2023+12.3%-44.0%
2024+16.3%-12.7%
2025+23.4%+5.7%
2026+6.9%-10.5%

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

Are EMD and VXZ good diversifiers for each other?

By historical standards, yes. A correlation of -0.52 means the two rarely move for the same reasons.

FAQ

What is the correlation between EMD and VXZ?

As of 2026-08-27, the correlation of weekly returns between EMD and VXZ is -0.52 over 3 years, -0.64 over 1 year and -0.50 over 5 years.

Is VXZ a good diversifier for EMD?

By historical standards, yes. A correlation of -0.52 means the two rarely move for the same reasons.

What does a correlation of -0.52 mean?

A reading of -0.52 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

Use this data

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

EMD vs VXZ: 3-year weekly correlation -0.52EMD vs VXZ-0.52

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

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

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

Related comparisons

Hubs: EMD correlations · VXZ correlations