STK vs VUG: Correlation
Measured on weekly returns over the past three years, Columbia Seligman Premium Technology Growth Fund Inc (STK) and Vanguard Growth ETF (VUG) carry a correlation of 0.83, a very strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are STK and VUG?
On 3 years of weekly data the STK/VUG correlation comes out at 0.83, very strong, meaning they move nearly in lockstep. The relationship has been stable: the 1-year correlation (0.82) sits close to the 3-year figure. The 5-year figure is 0.84, and annualized covariance runs at 425.5 %².
Among the 33 assets we track against STK, VUG ranks #7 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months STK outperformed by 60.6 percentage points (+76.8% for STK against +16.2% for VUG).
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 VUG: side by side
| STK (Columbia Seligman Premium Technology Growth Fund Inc) | VUG (Vanguard Growth ETF) | |
|---|---|---|
| 1-year return | +76.8% | +16.2% |
| 5-year return | +153.2% | +78.4% |
| Volatility (ann.) | 26.4% | 19.4% |
| Beta vs S&P 500 | 1.51 | 1.28 |
| Max drawdown (3Y) | -26.6% | -22.8% |
| Market cap | – | – |
| P/E (trailing) | 5.9 | – |
| Dividend yield | 0.00% | 0.40% |
| Expense ratio | – | 0.03% |
| Assets under management | – | $372.0B |
| Sector / category | US Listed | ETF · US Style |
VUG, Vanguard's Large Growth fund, carries $372.0B under management, 146 holdings, a 0.03% expense ratio, a 0.40% trailing dividend yield.
Year-by-year returns
| Year | STK | VUG |
|---|---|---|
| 2022 | -30.4% | -33.2% |
| 2023 | +49.2% | +46.8% |
| 2024 | +17.7% | +32.7% |
| 2025 | +24.9% | +19.4% |
| 2026 | +47.2% | +9.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are STK and VUG good diversifiers for each other?
No. With a correlation of 0.83, STK and VUG move nearly in lockstep, so holding both adds very little diversification.
FAQ
What is the correlation between STK and VUG?
Using weekly returns as of 2026-08-27: 0.83 over 3 years, with 0.82 over the last year and 0.84 over 5 years.
Is VUG a good diversifier for STK?
No. With a correlation of 0.83, STK and VUG move nearly in lockstep, so holding both adds very little diversification.
What does a correlation of 0.83 mean?
A reading of 0.83 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: STK correlations · VUG correlations
