SPYV vs WPRT: Correlation
Measured on weekly returns over the past three years, SPDR Portfolio S&P 500 Value ETF (SPYV) and Westport Fuel Systems Inc (WPRT) carry a correlation of 0.44, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SPYV and WPRT?
Over the past 3 years, SPYV and WPRT moved with a correlation of 0.44, which is moderate. The past 12 months show a weaker link (0.19) than the 3-year average (0.44). Over 5 years the correlation is 0.44, and the annualized covariance of weekly returns is 276.1 %².
Among the 148 assets we track against SPYV, WPRT ranks #130 by 3-year correlation. The last year tells two different stories: SPYV led by 54.0 percentage points, +18.5% for SPYV against -35.5% for WPRT. One caveat on sizing: WPRT is 4.3 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
SPYV vs WPRT: side by side
| SPYV (SPDR Portfolio S&P 500 Value ETF) | WPRT (Westport Fuel Systems Inc) | |
|---|---|---|
| 1-year return | +18.5% | -35.5% |
| 5-year return | +73.5% | -95.2% |
| Volatility (ann.) | 12.1% | 51.7% |
| Beta vs S&P 500 | 0.70 | 1.44 |
| Max drawdown (3Y) | -17.5% | -80.0% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 1.69% | 0.00% |
| Expense ratio | 0.04% | – |
| Assets under management | $36.2B | – |
| Sector / category | ETF · US Style | US Listed |
SPYV, State Street Investment Management's Large Value fund, carries $36.2B under management, 438 holdings, a 0.04% expense ratio, a 1.69% trailing dividend yield.
Year-by-year returns
| Year | SPYV | WPRT |
|---|---|---|
| 2022 | -5.3% | -67.5% |
| 2023 | +22.2% | -14.0% |
| 2024 | +12.2% | -45.9% |
| 2025 | +13.2% | -56.1% |
| 2026 | +12.7% | +17.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SPYV and WPRT good diversifiers for each other?
A fair diversifier. At 0.44, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between SPYV and WPRT?
The SPYV/WPRT correlation stands at 0.44 on a 3-year window (1 year: 0.19, 5 years: 0.44), computed from weekly returns as of 2026-08-27.
Is WPRT a good diversifier for SPYV?
A fair diversifier. At 0.44, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.44 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
$ curl https://www.pairbook.io/api/v1/pairs/spyv-vs-wprt.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/spyv-vs-wprt/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: SPYV correlations · WPRT correlations
