AEC vs SPY: Correlation
Measured on weekly returns over the past three years, Anfield Energy Inc. (AEC) and SPDR S&P 500 ETF Trust (SPY) carry a correlation of 0.26, a weak link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AEC and SPY?
Over the past 3 years, AEC and SPY moved with a correlation of 0.26, which is weak. The relationship has been stable: the 1-year correlation (0.26) sits close to the 3-year figure. Over 5 years the correlation is 0.21, and the annualized covariance of weekly returns is 386.2 %².
Out of 11 assets tracked against AEC, SPY lands near the bottom at #8. Correlation aside, the last 12 months split them widely, with SPY ahead by 31.6 points (-11.0% versus +20.6%). Note the risk asymmetry: AEC runs 7.1 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.
AEC vs SPY: side by side
| AEC (Anfield Energy Inc.) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | -11.0% | +20.6% |
| 5-year return | -37.7% | +82.4% |
| Volatility (ann.) | 102.5% | 14.5% |
| Beta vs S&P 500 | 1.85 | 1.00 |
| Max drawdown (3Y) | -65.7% | -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 | AEC | SPY |
|---|---|---|
| 2022 | -50.0% | -18.2% |
| 2023 | +50.0% | +26.2% |
| 2024 | +0.0% | +24.9% |
| 2025 | +14.0% | +17.7% |
| 2026 | -9.0% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AEC and SPY good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.26 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between AEC and SPY?
As of 2026-08-27, the correlation of weekly returns between AEC and SPY is 0.26 over 3 years, 0.26 over 1 year and 0.21 over 5 years.
Is SPY a good diversifier for AEC?
Yes, to a useful degree: a correlation of 0.26 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.26 mean?
On the −1 to +1 scale, 0.26 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.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/aec-vs-spy.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/aec-vs-spy/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: AEC correlations · SPY correlations
