QQQ vs RDY: Correlation
How closely do Invesco QQQ Trust (QQQ) and Dr. Reddy's Laboratories Ltd (RDY) trade together? Their weekly returns over three years give a correlation of 0.17, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are QQQ and RDY?
Over the past 3 years, QQQ and RDY moved with a correlation of 0.17, which is weak. Lately the two have drifted apart, with the 1-year correlation at -0.08 versus 0.17 over 3 years. Over 5 years the correlation is 0.21, and the annualized covariance of weekly returns is 77.7 %².
By 3-year correlation, RDY places #3190 of the 4755 assets tracked against QQQ. Correlation aside, the last 12 months split them widely, with QQQ ahead by 40.3 points (+26.3% versus -14.0%).
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.
QQQ vs RDY: side by side
| QQQ (Invesco QQQ Trust) | RDY (Dr. Reddy's Laboratories Ltd) | |
|---|---|---|
| 1-year return | +26.3% | -14.0% |
| 5-year return | +95.4% | +1.0% |
| Volatility (ann.) | 19.6% | 23.9% |
| Beta vs S&P 500 | 1.28 | 0.32 |
| Max drawdown (3Y) | -22.8% | -32.0% |
| Market cap | – | $10.1B |
| P/E (trailing) | – | 29.0 |
| Dividend yield | 0.44% | 65.47% |
| Expense ratio | 0.18% | – |
| Assets under management | $452.8B | – |
| Sector / category | ETF · US Growth & Tech | US Listed |
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 | QQQ | RDY |
|---|---|---|
| 2022 | -32.6% | -19.7% |
| 2023 | +54.9% | +36.5% |
| 2024 | +25.6% | +14.1% |
| 2025 | +20.8% | -10.5% |
| 2026 | +17.7% | -12.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are QQQ and RDY good diversifiers for each other?
Yes. With a correlation of 0.17, QQQ and RDY have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between QQQ and RDY?
Using weekly returns as of 2026-08-27: 0.17 over 3 years, with -0.08 over the last year and 0.21 over 5 years.
Is RDY a good diversifier for QQQ?
Yes. With a correlation of 0.17, QQQ and RDY have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of 0.17 mean?
On the −1 to +1 scale, 0.17 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/qqq-vs-rdy.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/qqq-vs-rdy/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: QQQ correlations · RDY correlations
