CBAT vs SPY: Correlation
Measured on weekly returns over the past three years, CBAK Energy Technology Limited (CBAT) and SPDR S&P 500 ETF Trust (SPY) carry a correlation of 0.18, a weak link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CBAT and SPY?
On 3 years of weekly data the CBAT/SPY correlation comes out at 0.18, weak. The relationship has been stable: the 1-year correlation (0.24) sits close to the 3-year figure. The 5-year figure is 0.32, and annualized covariance runs at 157.6 %².
SPY is close to the least connected end of CBAT's tracked universe, ranking #6 of 10. Correlation aside, the last 12 months split them widely, with SPY ahead by 26.7 points (-6.1% versus +20.6%). Note the risk asymmetry: CBAT runs 4.2 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.
CBAT vs SPY: side by side
| CBAT (CBAK Energy Technology Limited) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | -6.1% | +20.6% |
| 5-year return | -73.0% | +82.4% |
| Volatility (ann.) | 60.3% | 14.5% |
| Beta vs S&P 500 | 0.75 | 1.00 |
| Max drawdown (3Y) | -74.1% | -18.8% |
| Market cap | $0.1B | – |
| 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 | CBAT | SPY |
|---|---|---|
| 2022 | -36.5% | -18.2% |
| 2023 | +6.1% | +26.2% |
| 2024 | -10.5% | +24.9% |
| 2025 | -10.6% | +17.7% |
| 2026 | +2.8% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CBAT and SPY good diversifiers for each other?
By historical standards, yes. A correlation of 0.18 means the two rarely move for the same reasons.
FAQ
What is the correlation between CBAT and SPY?
Using weekly returns as of 2026-08-27: 0.18 over 3 years, with 0.24 over the last year and 0.32 over 5 years.
Is SPY a good diversifier for CBAT?
By historical standards, yes. A correlation of 0.18 means the two rarely move for the same reasons.
What does a correlation of 0.18 mean?
On the −1 to +1 scale, 0.18 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: CBAT correlations · SPY correlations
