PairBook
HomeJETS › JETS vs XBI

JETS vs XBI: Correlation

How closely do US Global Jets ETF (JETS) and SPDR S&P Biotech ETF (XBI) trade together? Their weekly returns over three years give a correlation of 0.49, which is moderate.

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

Correlation (3Y)
0.49
moderate
Correlation (1Y)
0.48
last 12 months
Correlation (5Y)
0.49
long-run
Ann. covariance
395.1
%² · weekly, annualized

How correlated are JETS and XBI?

Over the past 3 years, JETS and XBI moved with a correlation of 0.49, which is moderate. The relationship has been stable: the 1-year correlation (0.48) sits close to the 3-year figure. Over 5 years the correlation is 0.49, and the annualized covariance of weekly returns is 395.1 %².

By 3-year correlation, XBI places #33 of the 54 assets tracked against JETS. Their recent paths diverged sharply: over the last 12 months XBI outperformed by 74.0 percentage points (+13.2% for JETS against +87.2% for XBI). Across three years, the rolling one-year figure varied moderately, from 0.22 to 0.63.

+1.0+0.50-0.5-1.020232026-08-27
Rolling one-year correlation of weekly returns over the past three years.
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.

JETS vs XBI: side by side

JETS (US Global Jets ETF)XBI (SPDR S&P Biotech ETF)
1-year return+13.2%+87.2%
5-year return+30.9%+28.6%
Volatility (ann.)29.2%27.7%
Beta vs S&P 5001.161.09
Max drawdown (3Y)-35.2%-33.0%
Sector / categoryETF · ThematicETF · Thematic
Smaller drawdown: XBI -33.0% vs -35.2%Higher 5y return: JETS +30.9% vs +28.6%
-7%0%+77%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. JETS · XBI

Year-by-year returns

YearJETSXBI
2022-19.0%-25.9%
2023+11.4%+7.6%
2024+33.2%+1.0%
2025+11.6%+35.9%
2026+4.6%+38.1%

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

Are JETS and XBI good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.49 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between JETS and XBI?

The JETS/XBI correlation stands at 0.49 on a 3-year window (1 year: 0.48, 5 years: 0.49), computed from weekly returns as of 2026-08-27.

Is XBI a good diversifier for JETS?

Yes, to a useful degree: a correlation of 0.49 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.49 mean?

Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.

Use this data

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

JETS vs XBI: 3-year weekly correlation 0.49JETS vs XBI0.49

Embed this badge (it refreshes with the data), with attribution:

[![JETS vs XBI correlation](https://www.pairbook.io/api/v1/badge/jets-vs-xbi.svg)](https://www.pairbook.io/pair/jets-vs-xbi/)

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

Related comparisons

Hubs: JETS correlations · XBI correlations