BCRX vs QQQ: Correlation
Measured on weekly returns over the past three years, BioCryst Pharmaceuticals, Inc. (BCRX) and Invesco QQQ Trust (QQQ) carry a correlation of 0.20, a weak link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BCRX and QQQ?
Across a 3-year window, the weekly returns of BCRX and QQQ correlate at 0.20, weak. The past 12 months show a weaker link (0.08) than the 3-year average (0.20). Stretching to 5 years gives 0.23, with an annualized covariance of 182.1 %².
QQQ is close to the least connected end of BCRX's tracked universe, ranking #8 of 11. On 12-month performance QQQ holds a 10.5-point edge, +15.8% against +26.3%. Note the risk asymmetry: BCRX runs 2.4 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.
BCRX vs QQQ: side by side
| BCRX (BioCryst Pharmaceuticals, Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +15.8% | +26.3% |
| 5-year return | -37.1% | +95.4% |
| Volatility (ann.) | 47.1% | 19.6% |
| Beta vs S&P 500 | 0.75 | 1.28 |
| Max drawdown (3Y) | -46.0% | -22.8% |
| Market cap | $2.5B | – |
| 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 | BCRX | QQQ |
|---|---|---|
| 2022 | -17.1% | -32.6% |
| 2023 | -47.8% | +54.9% |
| 2024 | +25.5% | +25.6% |
| 2025 | +3.7% | +20.8% |
| 2026 | +26.5% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BCRX and QQQ good diversifiers for each other?
Reasonably. At 0.20, BCRX and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between BCRX and QQQ?
As of 2026-08-27, the correlation of weekly returns between BCRX and QQQ is 0.20 over 3 years, 0.08 over 1 year and 0.23 over 5 years.
Is QQQ a good diversifier for BCRX?
Reasonably. At 0.20, BCRX and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.20 mean?
A reading of 0.20 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/bcrx-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/bcrx-vs-qqq/)
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Related comparisons
Hubs: BCRX correlations · QQQ correlations
