QQQ vs RCS: Correlation
Invesco QQQ Trust (QQQ) and PIMCO Strategic Income Fund, Inc. (RCS) show a moderate relationship: their 3-year correlation of weekly returns is 0.37.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are QQQ and RCS?
On 3 years of weekly data the QQQ/RCS correlation comes out at 0.37, moderate. The past 12 months show a tighter link (0.51) than the 3-year average (0.37). The 5-year figure is 0.39, and annualized covariance runs at 195.9 %².
Among the 4755 assets we track against QQQ, RCS ranks #863 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months QQQ outperformed by 47.1 percentage points (+26.3% for QQQ against -20.8% for RCS).
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 RCS: side by side
| QQQ (Invesco QQQ Trust) | RCS (PIMCO Strategic Income Fund, Inc.) | |
|---|---|---|
| 1-year return | +26.3% | -20.8% |
| 5-year return | +95.4% | +5.4% |
| Volatility (ann.) | 19.6% | 27.0% |
| Beta vs S&P 500 | 1.28 | 0.77 |
| Max drawdown (3Y) | -22.8% | -32.9% |
| Market cap | – | $0.2B |
| P/E (trailing) | – | 6.9 |
| Dividend yield | 0.44% | 9.11% |
| Expense ratio | 0.18% | – |
| Assets under management | $452.8B | – |
| Sector / category | ETF · US Growth & Tech | US Listed |
QQQ, Invesco's Large Growth fund, carries $452.8B under management, 104 holdings, a 0.18% expense ratio, a 0.44% trailing dividend yield.
Year-by-year returns
| Year | QQQ | RCS |
|---|---|---|
| 2022 | -32.6% | -19.5% |
| 2023 | +54.9% | +37.6% |
| 2024 | +25.6% | +37.5% |
| 2025 | +20.8% | -21.5% |
| 2026 | +17.7% | +0.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are QQQ and RCS good diversifiers for each other?
A fair diversifier. At 0.37, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between QQQ and RCS?
As of 2026-08-27, the correlation of weekly returns between QQQ and RCS is 0.37 over 3 years, 0.51 over 1 year and 0.39 over 5 years.
Is RCS a good diversifier for QQQ?
A fair diversifier. At 0.37, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.37 mean?
A reading of 0.37 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/qqq-vs-rcs.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/qqq-vs-rcs/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: QQQ correlations · RCS correlations
