BDX vs QQQ: Correlation
Becton Dickinson (BDX) and Invesco QQQ Trust (QQQ) show a near-zero relationship: their 3-year correlation of weekly returns is 0.09.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BDX and QQQ?
On 3 years of weekly data the BDX/QQQ correlation comes out at 0.09, near zero, meaning they move largely independently. Lately the two have drifted apart, with the 1-year correlation at -0.09 versus 0.09 over 3 years. The 5-year figure is 0.22, and annualized covariance runs at 40.9 %².
Within BDX's tracked universe of 28 assets, QQQ comes in at #18 by 3-year correlation. Neither side won the trailing year by much: +25.5% against +26.3%. The relationship is regime-dependent: the rolling one-year correlation swung between -0.07 and 0.45 over the past three years, so this pair behaves very differently depending on the market environment.
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.
BDX vs QQQ: side by side
| BDX (Becton Dickinson) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +25.5% | +26.3% |
| 5-year return | +6.8% | +95.4% |
| Volatility (ann.) | 24.0% | 19.6% |
| Beta vs S&P 500 | 0.33 | 1.28 |
| Max drawdown (3Y) | -39.6% | -22.8% |
| Market cap | $51.2B | – |
| P/E (trailing) | 32.9 | – |
| Dividend yield | 2.20% | 0.44% |
| Expense ratio | – | 0.18% |
| Assets under management | – | $452.8B |
| Sector / category | Health Care | 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 | BDX | QQQ |
|---|---|---|
| 2022 | +5.1% | -32.6% |
| 2023 | -2.7% | +54.9% |
| 2024 | -5.4% | +25.6% |
| 2025 | -12.6% | +20.8% |
| 2026 | +25.0% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BDX and QQQ good diversifiers for each other?
By historical standards, yes. A correlation of 0.09 means the two rarely move for the same reasons.
FAQ
What is the correlation between BDX and QQQ?
As of 2026-08-27, the correlation of weekly returns between BDX and QQQ is 0.09 over 3 years, -0.09 over 1 year and 0.22 over 5 years.
Is QQQ a good diversifier for BDX?
By historical standards, yes. A correlation of 0.09 means the two rarely move for the same reasons.
What does a correlation of 0.09 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/bdx-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/bdx-vs-qqq/)
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Related comparisons
Hubs: BDX correlations · QQQ correlations
