BCSF vs QQQ: Correlation
Bain Capital Specialty Finance, Inc. (BCSF) and Invesco QQQ Trust (QQQ) show a moderate relationship: their 3-year correlation of weekly returns is 0.36.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BCSF and QQQ?
On 3 years of weekly data the BCSF/QQQ correlation comes out at 0.36, moderate. The relationship has been stable: the 1-year correlation (0.43) sits close to the 3-year figure. The 5-year figure is 0.42, and annualized covariance runs at 134.2 %².
QQQ is close to the least connected end of BCSF's tracked universe, ranking #11 of 15. The last year tells two different stories: QQQ led by 38.3 percentage points, -12.0% for BCSF against +26.3% for QQQ.
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.
BCSF vs QQQ: side by side
| BCSF (Bain Capital Specialty Finance, Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -12.0% | +26.3% |
| 5-year return | +39.1% | +95.4% |
| Volatility (ann.) | 18.9% | 19.6% |
| Beta vs S&P 500 | 0.60 | 1.28 |
| Max drawdown (3Y) | -26.4% | -22.8% |
| Market cap | $0.8B | – |
| P/E (trailing) | 12.0 | – |
| Dividend yield | 14.12% | 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 | BCSF | QQQ |
|---|---|---|
| 2022 | -13.3% | -32.6% |
| 2023 | +42.0% | +54.9% |
| 2024 | +29.5% | +25.6% |
| 2025 | -9.6% | +20.8% |
| 2026 | -8.5% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BCSF and QQQ good diversifiers for each other?
Reasonably. At 0.36, BCSF and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between BCSF and QQQ?
Using weekly returns as of 2026-08-27: 0.36 over 3 years, with 0.43 over the last year and 0.42 over 5 years.
Is QQQ a good diversifier for BCSF?
Reasonably. At 0.36, BCSF and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.36 mean?
A reading of 0.36 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
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Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/bcsf-vs-qqq/)
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Related comparisons
Hubs: BCSF correlations · QQQ correlations
