CDNS vs STK: Correlation
Measured on weekly returns over the past three years, Cadence Design Systems (CDNS) and Columbia Seligman Premium Technology Growth Fund Inc (STK) carry a correlation of 0.63, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CDNS and STK?
Across a 3-year window, the weekly returns of CDNS and STK correlate at 0.63, strong. Little has changed lately, as the 1-year reading of 0.60 lands near the 3-year figure. Stretching to 5 years gives 0.65, with an annualized covariance of 599.2 %².
By 3-year correlation, STK places #8 of the 34 assets tracked against CDNS. The last year tells two different stories: STK led by 76.6 percentage points, +0.2% for CDNS against +76.8% for STK.
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.
CDNS vs STK: side by side
| CDNS (Cadence Design Systems) | STK (Columbia Seligman Premium Technology Growth Fund Inc) | |
|---|---|---|
| 1-year return | +0.2% | +76.8% |
| 5-year return | +112.1% | +153.2% |
| Volatility (ann.) | 35.8% | 26.4% |
| Beta vs S&P 500 | 1.45 | 1.51 |
| Max drawdown (3Y) | -29.1% | -26.6% |
| Market cap | $95.7B | – |
| P/E (trailing) | 66.7 | 5.9 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | Information Technology | US Listed |
Year-by-year returns
| Year | CDNS | STK |
|---|---|---|
| 2022 | -13.8% | -30.4% |
| 2023 | +69.6% | +49.2% |
| 2024 | +10.3% | +17.7% |
| 2025 | +4.0% | +24.9% |
| 2026 | +11.2% | +47.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CDNS and STK good diversifiers for each other?
To a limited degree. At 0.63 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 CDNS and STK?
Using weekly returns as of 2026-08-27: 0.63 over 3 years, with 0.60 over the last year and 0.65 over 5 years.
Is STK a good diversifier for CDNS?
To a limited degree. At 0.63 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 0.63 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/cdns-vs-stk.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/cdns-vs-stk/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: CDNS correlations · STK correlations
