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CHT vs VXZ: Correlation

Chunghwa Telecom Co., Ltd. (CHT) 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 -0.16.

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

Correlation (3Y)
-0.16
negative
Correlation (1Y)
-0.10
last 12 months
Correlation (5Y)
-0.25
long-run
Ann. covariance
-49.4
%² · weekly, annualized

How correlated are CHT and VXZ?

Over the past 3 years, CHT and VXZ moved with a correlation of -0.16, which is negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.10 lands near the 3-year figure. Over 5 years the correlation is -0.25, and the annualized covariance of weekly returns is -49.4 %².

Out of 11 assets tracked against CHT, VXZ lands near the bottom at #9. Their recent paths diverged sharply: over the last 12 months CHT outperformed by 17.7 percentage points (+1.6% for CHT against -16.1% for VXZ). Note the risk asymmetry: VXZ runs 2.2 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.

CHT vs VXZ: side by side

CHT (Chunghwa Telecom Co., Ltd.)VXZ (iPath Series B S&P 500 VIX Mid-Term Futures ETN)
1-year return+1.6%-16.1%
5-year return+29.5%-53.1%
Volatility (ann.)11.9%25.6%
Beta vs S&P 5000.20-1.31
Max drawdown (3Y)-11.0%-36.4%
Market cap$33.3B
P/E (trailing)26.9
Dividend yield12.12%
Sector / categoryUS ListedUS Listed
Smaller drawdown: CHT -11.0% vs -36.4%Higher 5y return: CHT +29.5% vs -53.1%
-16%0%+9%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. CHT · VXZ

Year-by-year returns

YearCHTVXZ
2022-10.0%+0.5%
2023+11.1%-44.0%
2024+0.2%-12.7%
2025+14.9%+5.7%
2026+7.1%-10.5%

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

Are CHT and VXZ good diversifiers for each other?

By historical standards, yes. A correlation of -0.16 means the two rarely move for the same reasons.

FAQ

What is the correlation between CHT and VXZ?

Using weekly returns as of 2026-08-27: -0.16 over 3 years, with -0.10 over the last year and -0.25 over 5 years.

Is VXZ a good diversifier for CHT?

By historical standards, yes. A correlation of -0.16 means the two rarely move for the same reasons.

What does a correlation of -0.16 mean?

On the −1 to +1 scale, -0.16 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/cht-vs-vxz.json

CHT vs VXZ: 3-year weekly correlation -0.16CHT vs VXZ-0.16

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

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

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

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Hubs: CHT correlations · VXZ correlations