PCM vs RCS: Correlation
PCM Fund, Inc. (PCM) and PIMCO Strategic Income Fund, Inc. (RCS) show a strong relationship: their 3-year correlation of weekly returns is 0.63.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PCM and RCS?
Over the past 3 years, PCM and RCS moved with a correlation of 0.63, which is strong. The past 12 months show a weaker link (0.52) than the 3-year average (0.63). Over 5 years the correlation is 0.57, and the annualized covariance of weekly returns is 321.7 %².
Few assets follow PCM as closely as RCS, which ranks #1 of 11 tracked partners. Their recent paths diverged sharply: over the last 12 months PCM outperformed by 17.9 percentage points (-2.9% for PCM 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.
PCM vs RCS: side by side
| PCM (PCM Fund, Inc.) | RCS (PIMCO Strategic Income Fund, Inc.) | |
|---|---|---|
| 1-year return | -2.9% | -20.8% |
| 5-year return | -19.9% | +5.4% |
| Volatility (ann.) | 19.0% | 27.0% |
| Beta vs S&P 500 | 0.46 | 0.77 |
| Max drawdown (3Y) | -27.1% | -32.9% |
| Market cap | – | $0.2B |
| P/E (trailing) | 9.6 | 6.9 |
| Dividend yield | 14.25% | 9.11% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PCM | RCS |
|---|---|---|
| 2022 | -19.7% | -19.5% |
| 2023 | +12.4% | +37.6% |
| 2024 | +8.8% | +37.5% |
| 2025 | -10.1% | -21.5% |
| 2026 | -4.0% | +0.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PCM and RCS good diversifiers for each other?
Somewhat, no more. With 0.63 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between PCM and RCS?
Using weekly returns as of 2026-08-27: 0.63 over 3 years, with 0.52 over the last year and 0.57 over 5 years.
Is RCS a good diversifier for PCM?
Somewhat, no more. With 0.63 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.63 mean?
On the −1 to +1 scale, 0.63 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/pcm-vs-rcs.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/pcm-vs-rcs/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: PCM correlations · RCS correlations
