CLIR vs QQQ: Correlation
Measured on weekly returns over the past three years, ClearSign Technologies Corporation (CLIR) and Invesco QQQ Trust (QQQ) carry a correlation of 0.29, a weak link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CLIR and QQQ?
Over the past 3 years, CLIR and QQQ moved with a correlation of 0.29, which is weak. The relationship has been stable: the 1-year correlation (0.24) sits close to the 3-year figure. Over 5 years the correlation is 0.30, and the annualized covariance of weekly returns is 502.8 %².
Out of 10 assets tracked against CLIR, QQQ lands near the bottom at #7. Their recent paths diverged sharply: over the last 12 months QQQ outperformed by 49.5 percentage points (-23.2% for CLIR against +26.3% for QQQ). Note the risk asymmetry: CLIR runs 4.5 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.
CLIR vs QQQ: side by side
| CLIR (ClearSign Technologies Corporation) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -23.2% | +26.3% |
| 5-year return | -85.3% | +95.4% |
| Volatility (ann.) | 89.0% | 19.6% |
| Beta vs S&P 500 | 2.06 | 1.28 |
| Max drawdown (3Y) | -78.5% | -22.8% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 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 | CLIR | QQQ |
|---|---|---|
| 2022 | -60.9% | -32.6% |
| 2023 | +105.6% | +54.9% |
| 2024 | +29.7% | +25.6% |
| 2025 | -61.1% | +20.8% |
| 2026 | -19.1% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CLIR and QQQ good diversifiers for each other?
Reasonably. At 0.29, CLIR and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between CLIR and QQQ?
As of 2026-08-27, the correlation of weekly returns between CLIR and QQQ is 0.29 over 3 years, 0.24 over 1 year and 0.30 over 5 years.
Is QQQ a good diversifier for CLIR?
Reasonably. At 0.29, CLIR and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.29 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.
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Related comparisons
Hubs: CLIR correlations · QQQ correlations
