VXX vs WPRT: Correlation
How closely do iPath Series B S&P 500 VIX Short-Term Futures ETN (VXX) and Westport Fuel Systems Inc (WPRT) trade together? Their weekly returns over three years give a correlation of -0.41, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are VXX and WPRT?
Over the past 3 years, VXX and WPRT moved with a correlation of -0.41, which is negative, meaning they tend to move in opposite directions. Lately the two have moved closer together, with the 1-year correlation at -0.20 versus -0.41 over 3 years. Over 5 years the correlation is -0.36, and the annualized covariance of weekly returns is -1278.8 %².
Among the 2872 assets we track against VXX, WPRT ranks #2045 by 3-year correlation. The trailing year gives WPRT the advantage: -49.7% versus -35.5%, a 14.2-point spread.
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 WPRT: side by side
| VXX (iPath Series B S&P 500 VIX Short-Term Futures ETN) | WPRT (Westport Fuel Systems Inc) | |
|---|---|---|
| 1-year return | -49.7% | -35.5% |
| 5-year return | -95.6% | -95.2% |
| Volatility (ann.) | 60.9% | 51.7% |
| Beta vs S&P 500 | -3.31 | 1.44 |
| Max drawdown (3Y) | -83.3% | -80.0% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | VXX | WPRT |
|---|---|---|
| 2022 | -23.8% | -67.5% |
| 2023 | -72.5% | -14.0% |
| 2024 | -26.2% | -45.9% |
| 2025 | -42.2% | -56.1% |
| 2026 | -31.6% | +17.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are VXX and WPRT good diversifiers for each other?
Yes: at -0.41, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between VXX and WPRT?
Using weekly returns as of 2026-08-27: -0.41 over 3 years, with -0.20 over the last year and -0.36 over 5 years.
Is WPRT a good diversifier for VXX?
Yes: at -0.41, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.41 mean?
On the −1 to +1 scale, -0.41 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
$ curl https://www.pairbook.io/api/v1/pairs/vxx-vs-wprt.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/vxx-vs-wprt/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: VXX correlations · WPRT correlations
