MRVL vs STK: Correlation
How closely do Marvell Technology (MRVL) and Columbia Seligman Premium Technology Growth Fund Inc (STK) trade together? Their weekly returns over three years give a correlation of 0.58, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MRVL and STK?
Across a 3-year window, the weekly returns of MRVL and STK correlate at 0.58, moderate. The link has loosened recently: the 1-year correlation (0.39) runs below the 3-year figure (0.58). Stretching to 5 years gives 0.61, with an annualized covariance of 887.5 %².
By 3-year correlation, STK places #12 of the 30 assets tracked against MRVL. Their recent paths diverged sharply: over the last 12 months MRVL outperformed by 146.7 percentage points (+223.5% for MRVL against +76.8% for STK). Note the risk asymmetry: MRVL runs 2.2 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
MRVL vs STK: side by side
| MRVL (Marvell Technology) | STK (Columbia Seligman Premium Technology Growth Fund Inc) | |
|---|---|---|
| 1-year return | +223.5% | +76.8% |
| 5-year return | +297.0% | +153.2% |
| Volatility (ann.) | 57.8% | 26.4% |
| Beta vs S&P 500 | 2.19 | 1.51 |
| Max drawdown (3Y) | -60.8% | -26.6% |
| Market cap | $217.0B | – |
| P/E (trailing) | 82.7 | 5.9 |
| Dividend yield | 0.10% | 0.00% |
| Sector / category | Information Technology | US Listed |
Year-by-year returns
| Year | MRVL | STK |
|---|---|---|
| 2022 | -57.5% | -30.4% |
| 2023 | +63.7% | +49.2% |
| 2024 | +83.8% | +17.7% |
| 2025 | -22.8% | +24.9% |
| 2026 | +184.5% | +47.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MRVL and STK good diversifiers for each other?
To a limited degree. At 0.58 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between MRVL and STK?
The MRVL/STK correlation stands at 0.58 on a 3-year window (1 year: 0.39, 5 years: 0.61), computed from weekly returns as of 2026-08-27.
Is STK a good diversifier for MRVL?
To a limited degree. At 0.58 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.58 mean?
On the −1 to +1 scale, 0.58 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/mrvl-vs-stk.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/mrvl-vs-stk/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: MRVL correlations · STK correlations
