RAPP vs SPY: Correlation
How closely do Rapport Therapeutics, Inc. (RAPP) and SPDR S&P 500 ETF Trust (SPY) trade together? Their weekly returns over three years give a correlation of 0.29, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are RAPP and SPY?
Across a 3-year window, the weekly returns of RAPP and SPY correlate at 0.29, weak. The relationship has been stable: the 1-year correlation (0.36) sits close to the 3-year figure. Stretching to 5 years gives n/a, with an annualized covariance of 399.5 %².
Among the 20 assets we track against RAPP, SPY sits near the bottom by co-movement, at rank #16. The last year tells two different stories: RAPP led by 218.9 percentage points, +239.5% for RAPP against +20.6% for SPY. Risk is not evenly split, since RAPP carries 6.2 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.
RAPP vs SPY: side by side
| RAPP (Rapport Therapeutics, Inc.) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | +239.5% | +20.6% |
| 5-year return | n/a | +82.4% |
| Volatility (ann.) | 89.6% | 14.5% |
| Beta vs S&P 500 | 1.91 | 1.00 |
| Max drawdown (3Y) | -75.5% | -18.8% |
| Market cap | $2.4B | – |
| 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 | RAPP | SPY |
|---|---|---|
| 2022 | – | -18.2% |
| 2023 | – | +26.2% |
| 2024 | – | +24.9% |
| 2025 | +71.0% | +17.7% |
| 2026 | +67.5% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are RAPP and SPY good diversifiers for each other?
A fair diversifier. At 0.29, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between RAPP and SPY?
As of 2026-08-27, the correlation of weekly returns between RAPP and SPY is 0.29 over 3 years, 0.36 over 1 year and n/a over 5 years.
Is SPY a good diversifier for RAPP?
A fair diversifier. At 0.29, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.29 mean?
A reading of 0.29 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: RAPP correlations · SPY correlations
