STK vs VXZ: Correlation
Columbia Seligman Premium Technology Growth Fund Inc (STK) and iPath Series B S&P 500 VIX Mid-Term Futures ETN (VXZ) show a negative relationship: their 3-year correlation of weekly returns is -0.59.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are STK and VXZ?
Across a 3-year window, the weekly returns of STK and VXZ correlate at -0.59, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.56 lands near the 3-year figure. Stretching to 5 years gives -0.60, with an annualized covariance of -401.3 %².
Out of 33 assets tracked against STK, VXZ lands near the bottom at #31. Correlation aside, the last 12 months split them widely, with STK ahead by 92.9 points (+76.8% versus -16.1%).
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.
STK vs VXZ: side by side
| STK (Columbia Seligman Premium Technology Growth Fund Inc) | VXZ (iPath Series B S&P 500 VIX Mid-Term Futures ETN) | |
|---|---|---|
| 1-year return | +76.8% | -16.1% |
| 5-year return | +153.2% | -53.1% |
| Volatility (ann.) | 26.4% | 25.6% |
| Beta vs S&P 500 | 1.51 | -1.31 |
| Max drawdown (3Y) | -26.6% | -36.4% |
| Market cap | – | – |
| P/E (trailing) | 5.9 | – |
| Dividend yield | 0.00% | – |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | STK | VXZ |
|---|---|---|
| 2022 | -30.4% | +0.5% |
| 2023 | +49.2% | -44.0% |
| 2024 | +17.7% | -12.7% |
| 2025 | +24.9% | +5.7% |
| 2026 | +47.2% | -10.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are STK and VXZ good diversifiers for each other?
Yes. With a correlation of -0.59, STK and VXZ have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between STK and VXZ?
Using weekly returns as of 2026-08-27: -0.59 over 3 years, with -0.56 over the last year and -0.60 over 5 years.
Is VXZ a good diversifier for STK?
Yes. With a correlation of -0.59, STK and VXZ have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.59 mean?
On the −1 to +1 scale, -0.59 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/stk-vs-vxz.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/stk-vs-vxz/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: STK correlations · VXZ correlations
