KALA vs QQQ: Correlation
Measured on weekly returns over the past three years, KALA BIO, Inc. (KALA) and Invesco QQQ Trust (QQQ) carry a correlation of 0.21, a weak link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are KALA and QQQ?
On 3 years of weekly data the KALA/QQQ correlation comes out at 0.21, weak. Little has changed lately, as the 1-year reading of 0.30 lands near the 3-year figure. The 5-year figure is 0.01, and annualized covariance runs at 481.0 %².
QQQ is close to the least connected end of KALA's tracked universe, ranking #7 of 11. Correlation aside, the last 12 months split them widely, with QQQ ahead by 126.1 points (-99.8% versus +26.3%). Note the risk asymmetry: KALA runs 6.1 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.
KALA vs QQQ: side by side
| KALA (KALA BIO, Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -99.8% | +26.3% |
| 5-year return | -100.0% | +95.4% |
| Volatility (ann.) | 119.6% | 19.6% |
| Beta vs S&P 500 | 1.73 | 1.28 |
| Max drawdown (3Y) | -99.9% | -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 | KALA | QQQ |
|---|---|---|
| 2022 | -36.9% | -32.6% |
| 2023 | -81.7% | +54.9% |
| 2024 | -0.9% | +25.6% |
| 2025 | -92.0% | +20.8% |
| 2026 | -97.1% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are KALA and QQQ good diversifiers for each other?
Reasonably. At 0.21, KALA and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between KALA and QQQ?
Using weekly returns as of 2026-08-27: 0.21 over 3 years, with 0.30 over the last year and 0.01 over 5 years.
Is QQQ a good diversifier for KALA?
Reasonably. At 0.21, KALA and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.21 mean?
On the −1 to +1 scale, 0.21 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/kala-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/kala-vs-qqq/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: KALA correlations · QQQ correlations
