RKTO vs SPY: Correlation
How closely do Rocket One Inc. (RKTO) and SPDR S&P 500 ETF Trust (SPY) trade together? Their weekly returns over three years give a correlation of 0.03, which is near-zero.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are RKTO and SPY?
On 3 years of weekly data the RKTO/SPY correlation comes out at 0.03, near zero, meaning they move largely independently. The link has tightened recently: the 1-year correlation (0.17) runs above the 3-year figure (0.03). The 5-year figure is 0.07, and annualized covariance runs at 62.2 %².
Among the 30 assets we track against RKTO, SPY ranks #12 by 3-year correlation. The last year tells two different stories: SPY led by 60.9 percentage points, -40.3% for RKTO against +20.6% for SPY. Risk is not evenly split, since RKTO carries 9.4 times the volatility of the other side.
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.
RKTO vs SPY: side by side
| RKTO (Rocket One Inc.) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | -40.3% | +20.6% |
| 5-year return | -97.7% | +82.4% |
| Volatility (ann.) | 135.8% | 14.5% |
| Beta vs S&P 500 | 0.30 | 1.00 |
| Max drawdown (3Y) | -81.1% | -18.8% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 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 | RKTO | SPY |
|---|---|---|
| 2022 | -52.7% | -18.2% |
| 2023 | -81.5% | +26.2% |
| 2024 | -48.1% | +24.9% |
| 2025 | +32.4% | +17.7% |
| 2026 | -27.1% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are RKTO and SPY good diversifiers for each other?
Yes: at 0.03, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between RKTO and SPY?
As of 2026-08-27, the correlation of weekly returns between RKTO and SPY is 0.03 over 3 years, 0.17 over 1 year and 0.07 over 5 years.
Is SPY a good diversifier for RKTO?
Yes: at 0.03, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of 0.03 mean?
On the −1 to +1 scale, 0.03 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: RKTO correlations · SPY correlations