BLK vs VXX: Correlation
How closely do BlackRock (BLK) 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 -0.59, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BLK and VXX?
Across a 3-year window, the weekly returns of BLK and VXX correlate at -0.59, negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.53 over 1 year against -0.59 over 3. Stretching to 5 years gives -0.53, with an annualized covariance of -887.6 %².
VXX is close to the least connected end of BLK's tracked universe, ranking #42 of 42. Their recent paths diverged sharply: over the last 12 months BLK outperformed by 55.0 percentage points (+5.3% for BLK against -49.7% for VXX). One caveat on sizing: VXX is 2.5 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.
BLK vs VXX: side by side
| BLK (BlackRock) | VXX (iPath Series B S&P 500 VIX Short-Term Futures ETN) | |
|---|---|---|
| 1-year return | +5.3% | -49.7% |
| 5-year return | +38.9% | -95.6% |
| Volatility (ann.) | 24.7% | 60.9% |
| Beta vs S&P 500 | 1.19 | -3.31 |
| Max drawdown (3Y) | -23.7% | -83.3% |
| Market cap | $189.7B | – |
| P/E (trailing) | 28.1 | – |
| Dividend yield | 1.86% | 0.00% |
| Sector / category | Financials | US Listed |
Year-by-year returns
| Year | BLK | VXX |
|---|---|---|
| 2022 | -20.4% | -23.8% |
| 2023 | +17.9% | -72.5% |
| 2024 | +29.3% | -26.2% |
| 2025 | +6.6% | -42.2% |
| 2026 | +10.3% | -31.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BLK and VXX good diversifiers for each other?
Yes. With a correlation of -0.59, BLK and VXX have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between BLK and VXX?
The BLK/VXX correlation stands at -0.59 on a 3-year window (1 year: -0.53, 5 years: -0.53), computed from weekly returns as of 2026-08-27.
Is VXX a good diversifier for BLK?
Yes. With a correlation of -0.59, BLK and VXX have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.59 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/blk-vs-vxx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/blk-vs-vxx/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: BLK correlations · VXX correlations
