KLRS vs QQQ: Correlation
Measured on weekly returns over the past three years, Kalaris Therapeutics, Inc. (KLRS) and Invesco QQQ Trust (QQQ) carry a correlation of 0.15, a weak link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are KLRS and QQQ?
Over the past 3 years, KLRS and QQQ moved with a correlation of 0.15, which is weak. The relationship has been stable: the 1-year correlation (0.19) sits close to the 3-year figure. Over 5 years the correlation is 0.22, and the annualized covariance of weekly returns is 280.2 %².
By 3-year correlation, QQQ places #8 of the 15 assets tracked against KLRS. On 12-month performance KLRS holds a 6.8-point edge, +33.1% against +26.3%. Risk is not evenly split, since KLRS carries 5.0 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.
KLRS vs QQQ: side by side
| KLRS (Kalaris Therapeutics, Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +33.1% | +26.3% |
| 5-year return | -99.1% | +95.4% |
| Volatility (ann.) | 98.7% | 19.6% |
| Beta vs S&P 500 | 1.33 | 1.28 |
| Max drawdown (3Y) | -97.0% | -22.8% |
| Market cap | $0.1B | – |
| 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 | KLRS | QQQ |
|---|---|---|
| 2022 | -60.4% | -32.6% |
| 2023 | -86.7% | +54.9% |
| 2024 | -38.2% | +25.6% |
| 2025 | -12.6% | +20.8% |
| 2026 | -51.4% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are KLRS and QQQ good diversifiers for each other?
Yes: at 0.15, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between KLRS and QQQ?
Using weekly returns as of 2026-08-27: 0.15 over 3 years, with 0.19 over the last year and 0.22 over 5 years.
Is QQQ a good diversifier for KLRS?
Yes: at 0.15, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of 0.15 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/klrs-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/klrs-vs-qqq/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: KLRS correlations · QQQ correlations