AMST vs SPY: Correlation
How closely do Amesite Inc. (AMST) and SPDR S&P 500 ETF Trust (SPY) trade together? Their weekly returns over three years give a correlation of 0.13, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AMST and SPY?
Over the past 3 years, AMST and SPY moved with a correlation of 0.13, which is weak. The relationship has been stable: the 1-year correlation (0.06) sits close to the 3-year figure. Over 5 years the correlation is 0.17, and the annualized covariance of weekly returns is 228.1 %².
Out of 15 assets tracked against AMST, SPY lands near the bottom at #11. The last year tells two different stories: SPY led by 80.4 percentage points, -59.8% for AMST against +20.6% for SPY. One caveat on sizing: AMST is 8.7 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
AMST vs SPY: side by side
| AMST (Amesite Inc.) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | -59.8% | +20.6% |
| 5-year return | -95.5% | +82.4% |
| Volatility (ann.) | 125.5% | 14.5% |
| Beta vs S&P 500 | 1.09 | 1.00 |
| Max drawdown (3Y) | -84.6% | -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 | AMST | SPY |
|---|---|---|
| 2022 | -83.0% | -18.2% |
| 2023 | +7.1% | +26.2% |
| 2024 | +111.1% | +24.9% |
| 2025 | -60.2% | +17.7% |
| 2026 | -42.3% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AMST and SPY good diversifiers for each other?
By historical standards, yes. A correlation of 0.13 means the two rarely move for the same reasons.
FAQ
What is the correlation between AMST and SPY?
Using weekly returns as of 2026-08-27: 0.13 over 3 years, with 0.06 over the last year and 0.17 over 5 years.
Is SPY a good diversifier for AMST?
By historical standards, yes. A correlation of 0.13 means the two rarely move for the same reasons.
What does a correlation of 0.13 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.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/amst-vs-spy.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/amst-vs-spy/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: AMST correlations · SPY correlations
