QS vs SPY: Correlation
QuantumScape Corporation (QS) and SPDR S&P 500 ETF Trust (SPY) show a moderate relationship: their 3-year correlation of weekly returns is 0.35.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are QS and SPY?
On 3 years of weekly data the QS/SPY correlation comes out at 0.35, moderate. The past 12 months show a tighter link (0.51) than the 3-year average (0.35). The 5-year figure is 0.43, and annualized covariance runs at 453.1 %².
Among the 18 assets we track against QS, SPY ranks #12 by 3-year correlation. The last year tells two different stories: SPY led by 47.2 percentage points, -26.6% for QS against +20.6% for SPY. Note the risk asymmetry: QS runs 6.3 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
QS vs SPY: side by side
| QS (QuantumScape Corporation) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | -26.6% | +20.6% |
| 5-year return | -72.4% | +82.4% |
| Volatility (ann.) | 90.7% | 14.5% |
| Beta vs S&P 500 | 2.17 | 1.00 |
| Max drawdown (3Y) | -73.5% | -18.8% |
| Market cap | $3.6B | – |
| 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 | QS | SPY |
|---|---|---|
| 2022 | -74.4% | -18.2% |
| 2023 | +22.6% | +26.2% |
| 2024 | -25.3% | +24.9% |
| 2025 | +100.8% | +17.7% |
| 2026 | -43.4% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are QS and SPY good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.35 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between QS and SPY?
As of 2026-08-27, the correlation of weekly returns between QS and SPY is 0.35 over 3 years, 0.51 over 1 year and 0.43 over 5 years.
Is SPY a good diversifier for QS?
Yes, to a useful degree: a correlation of 0.35 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.35 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
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Related comparisons
Hubs: QS correlations · SPY correlations
