SID vs VXX: Correlation
How closely do Companhia Siderurgica Nacional S.A. (SID) and iPath Series B S&P 500 VIX Short-Term Futures ETN (VXX) trade together? Their weekly returns over three years give a correlation of -0.34, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SID and VXX?
Over the past 3 years, SID and VXX moved with a correlation of -0.34, which is negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.36) sits close to the 3-year figure. Over 5 years the correlation is -0.28, and the annualized covariance of weekly returns is -1028.9 %².
Out of 14 assets tracked against SID, VXX lands near the bottom at #14. Correlation aside, the last 12 months split them widely, with SID ahead by 26.0 points (-23.7% versus -49.7%).
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.
SID vs VXX: side by side
| SID (Companhia Siderurgica Nacional S.A.) | VXX (iPath Series B S&P 500 VIX Short-Term Futures ETN) | |
|---|---|---|
| 1-year return | -23.7% | -49.7% |
| 5-year return | -77.7% | -95.6% |
| Volatility (ann.) | 49.3% | 60.9% |
| Beta vs S&P 500 | 1.22 | -3.31 |
| Max drawdown (3Y) | -76.0% | -83.3% |
| Market cap | $1.4B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | SID | VXX |
|---|---|---|
| 2022 | -29.7% | -23.8% |
| 2023 | +69.2% | -72.5% |
| 2024 | -59.6% | -26.2% |
| 2025 | +11.1% | -42.2% |
| 2026 | -33.8% | -31.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SID and VXX good diversifiers for each other?
By historical standards, yes. A correlation of -0.34 means the two rarely move for the same reasons.
FAQ
What is the correlation between SID and VXX?
Using weekly returns as of 2026-08-27: -0.34 over 3 years, with -0.36 over the last year and -0.28 over 5 years.
Is VXX a good diversifier for SID?
By historical standards, yes. A correlation of -0.34 means the two rarely move for the same reasons.
What does a correlation of -0.34 mean?
A reading of -0.34 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/sid-vs-vxx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/sid-vs-vxx/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: SID correlations · VXX correlations
