LASR vs QQQ: Correlation
Measured on weekly returns over the past three years, nLIGHT, Inc. (LASR) and Invesco QQQ Trust (QQQ) carry a correlation of 0.36, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are LASR and QQQ?
Across a 3-year window, the weekly returns of LASR and QQQ correlate at 0.36, moderate. The past 12 months show a weaker link (0.24) than the 3-year average (0.36). Stretching to 5 years gives 0.49, with an annualized covariance of 402.1 %².
Out of 11 assets tracked against LASR, QQQ lands near the bottom at #7. Their recent paths diverged sharply: over the last 12 months LASR outperformed by 30.1 percentage points (+56.4% for LASR against +26.3% for QQQ). Risk is not evenly split, since LASR carries 2.9 times the volatility of the other side.
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.
LASR vs QQQ: side by side
| LASR (nLIGHT, Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +56.4% | +26.3% |
| 5-year return | +61.0% | +95.4% |
| Volatility (ann.) | 56.6% | 19.6% |
| Beta vs S&P 500 | 1.44 | 1.28 |
| Max drawdown (3Y) | -56.1% | -22.8% |
| Market cap | $2.6B | – |
| 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 | LASR | QQQ |
|---|---|---|
| 2022 | -57.7% | -32.6% |
| 2023 | +33.1% | +54.9% |
| 2024 | -22.3% | +25.6% |
| 2025 | +257.6% | +20.8% |
| 2026 | +19.9% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are LASR and QQQ good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.36 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between LASR and QQQ?
As of 2026-08-27, the correlation of weekly returns between LASR and QQQ is 0.36 over 3 years, 0.24 over 1 year and 0.49 over 5 years.
Is QQQ a good diversifier for LASR?
Yes, to a useful degree: a correlation of 0.36 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.36 mean?
A reading of 0.36 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/lasr-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/lasr-vs-qqq/)
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Related comparisons
Hubs: LASR correlations · QQQ correlations
