FSTR vs VXX: Correlation
L.B. Foster Company (FSTR) and iPath Series B S&P 500 VIX Short-Term Futures ETN (VXX) show a negative relationship: their 3-year correlation of weekly returns is -0.34.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FSTR and VXX?
Across a 3-year window, the weekly returns of FSTR and VXX correlate at -0.34, negative, meaning they tend to move in opposite directions. Lately the two have moved closer together, with the 1-year correlation at -0.14 versus -0.34 over 3 years. Stretching to 5 years gives -0.27, with an annualized covariance of -957.3 %².
Among the 16 assets we track against FSTR, VXX sits near the bottom by co-movement, at rank #15. The last year tells two different stories: FSTR led by 92.5 percentage points, +42.8% for FSTR against -49.7% for VXX.
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.
FSTR vs VXX: side by side
| FSTR (L.B. Foster Company) | VXX (iPath Series B S&P 500 VIX Short-Term Futures ETN) | |
|---|---|---|
| 1-year return | +42.8% | -49.7% |
| 5-year return | +119.1% | -95.6% |
| Volatility (ann.) | 46.4% | 60.9% |
| Beta vs S&P 500 | 1.23 | -3.31 |
| Max drawdown (3Y) | -45.9% | -83.3% |
| Market cap | $0.4B | – |
| P/E (trailing) | 35.4 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | FSTR | VXX |
|---|---|---|
| 2022 | -29.6% | -23.8% |
| 2023 | +127.2% | -72.5% |
| 2024 | +22.3% | -26.2% |
| 2025 | +0.2% | -42.2% |
| 2026 | +40.4% | -31.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FSTR and VXX good diversifiers for each other?
Yes. With a correlation of -0.34, FSTR and VXX have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between FSTR and VXX?
The FSTR/VXX correlation stands at -0.34 on a 3-year window (1 year: -0.14, 5 years: -0.27), computed from weekly returns as of 2026-08-27.
Is VXX a good diversifier for FSTR?
Yes. With a correlation of -0.34, FSTR and VXX have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.34 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/fstr-vs-vxx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/fstr-vs-vxx/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: FSTR correlations · VXX correlations
