RCBC vs SPY: Correlation
Measured on weekly returns over the past three years, River City Bank (RCBC) and SPDR S&P 500 ETF Trust (SPY) carry a correlation of 0.17, a weak link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are RCBC and SPY?
Over the past 3 years, RCBC and SPY moved with a correlation of 0.17, which is weak. The link has loosened recently: the 1-year correlation (-0.10) runs below the 3-year figure (0.17). Over 5 years the correlation is 0.16, and the annualized covariance of weekly returns is 51.5 %².
Among the 10 assets we track against RCBC, SPY sits near the bottom by co-movement, at rank #6. The last year tells two different stories: RCBC led by 15.7 percentage points, +36.3% for RCBC against +20.6% for SPY.
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.
RCBC vs SPY: side by side
| RCBC (River City Bank) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | +36.3% | +20.6% |
| 5-year return | +90.8% | +82.4% |
| Volatility (ann.) | 21.4% | 14.5% |
| Beta vs S&P 500 | 0.25 | 1.00 |
| Max drawdown (3Y) | -13.4% | -18.8% |
| Market cap | $0.7B | – |
| P/E (trailing) | 10.6 | – |
| Dividend yield | 0.38% | 1.01% |
| Expense ratio | – | 0.09% |
| Assets under management | – | $795.3B |
| Sector / category | US Listed | ETF · US Large Cap |
SPY is a Large Blend fund from State Street Investment Management: $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.
Year-by-year returns
| Year | RCBC | SPY |
|---|---|---|
| 2022 | -11.3% | -18.2% |
| 2023 | -5.5% | +26.2% |
| 2024 | +38.4% | +24.9% |
| 2025 | +42.2% | +17.7% |
| 2026 | +13.9% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are RCBC and SPY good diversifiers for each other?
Yes. With a correlation of 0.17, RCBC and SPY have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between RCBC and SPY?
The RCBC/SPY correlation stands at 0.17 on a 3-year window (1 year: -0.10, 5 years: 0.16), computed from weekly returns as of 2026-08-27.
Is SPY a good diversifier for RCBC?
Yes. With a correlation of 0.17, RCBC and SPY have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of 0.17 mean?
A reading of 0.17 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: RCBC correlations · SPY correlations
