COLB vs QQQ: Correlation
Measured on weekly returns over the past three years, Columbia Banking System, Inc. (COLB) and Invesco QQQ Trust (QQQ) carry a correlation of 0.28, a weak link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are COLB and QQQ?
On 3 years of weekly data the COLB/QQQ correlation comes out at 0.28, weak. The relationship has been stable: the 1-year correlation (0.19) sits close to the 3-year figure. The 5-year figure is 0.29, and annualized covariance runs at 192.1 %².
By 3-year correlation, QQQ places #8 of the 13 assets tracked against COLB. On 12-month performance QQQ holds a 8.0-point edge, +18.3% against +26.3%. One caveat on sizing: COLB is 1.8 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.
COLB vs QQQ: side by side
| COLB (Columbia Banking System, Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +18.3% | +26.3% |
| 5-year return | +9.4% | +95.4% |
| Volatility (ann.) | 35.2% | 19.6% |
| Beta vs S&P 500 | 1.01 | 1.28 |
| Max drawdown (3Y) | -36.4% | -22.8% |
| Market cap | $8.7B | – |
| P/E (trailing) | 12.1 | – |
| Dividend yield | 4.79% | 0.44% |
| Expense ratio | – | 0.18% |
| Assets under management | – | $452.8B |
| Sector / category | US Listed | ETF · US Growth & Tech |
QQQ is a Large Growth fund from Invesco: $452.8B under management, 104 holdings, a 0.18% expense ratio, a 0.44% trailing dividend yield.
Year-by-year returns
| Year | COLB | QQQ |
|---|---|---|
| 2022 | -4.3% | -32.6% |
| 2023 | -5.9% | +54.9% |
| 2024 | +8.1% | +25.6% |
| 2025 | +9.4% | +20.8% |
| 2026 | +12.6% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are COLB and QQQ good diversifiers for each other?
Reasonably. At 0.28, COLB and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between COLB and QQQ?
As of 2026-08-27, the correlation of weekly returns between COLB and QQQ is 0.28 over 3 years, 0.19 over 1 year and 0.29 over 5 years.
Is QQQ a good diversifier for COLB?
Reasonably. At 0.28, COLB and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.28 mean?
A reading of 0.28 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: COLB correlations · QQQ correlations
