RGCO vs SPY: Correlation
Measured on weekly returns over the past three years, RGC Resources Inc. (RGCO) and SPDR S&P 500 ETF Trust (SPY) carry a correlation of 0.31, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are RGCO and SPY?
Over the past 3 years, RGCO and SPY moved with a correlation of 0.31, which is moderate. The past 12 months show a weaker link (0.08) than the 3-year average (0.31). Over 5 years the correlation is 0.22, and the annualized covariance of weekly returns is 137.4 %².
Among the 11 assets we track against RGCO, SPY sits near the bottom by co-movement, at rank #7. The last year tells two different stories: SPY led by 18.7 percentage points, +1.9% for RGCO against +20.6% for SPY. One caveat on sizing: RGCO is 2.1 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
RGCO vs SPY: side by side
| RGCO (RGC Resources Inc.) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | +1.9% | +20.6% |
| 5-year return | +10.2% | +82.4% |
| Volatility (ann.) | 31.0% | 14.5% |
| Beta vs S&P 500 | 0.66 | 1.00 |
| Max drawdown (3Y) | -19.2% | -18.8% |
| Market cap | $0.2B | – |
| P/E (trailing) | 16.2 | – |
| Dividend yield | 3.91% | 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 | RGCO | SPY |
|---|---|---|
| 2022 | -0.6% | -18.2% |
| 2023 | -4.1% | +26.2% |
| 2024 | +2.5% | +24.9% |
| 2025 | +10.4% | +17.7% |
| 2026 | +5.4% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are RGCO and SPY good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.31 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between RGCO and SPY?
The RGCO/SPY correlation stands at 0.31 on a 3-year window (1 year: 0.08, 5 years: 0.22), computed from weekly returns as of 2026-08-27.
Is SPY a good diversifier for RGCO?
Yes, to a useful degree: a correlation of 0.31 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.31 mean?
On the −1 to +1 scale, 0.31 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.
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Related comparisons
Hubs: RGCO correlations · SPY correlations
