ATCH vs SPY: Correlation
AtlasClear Holdings, Inc. (ATCH) and SPDR S&P 500 ETF Trust (SPY) show a weak relationship: their 3-year correlation of weekly returns is 0.24.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ATCH and SPY?
Across a 3-year window, the weekly returns of ATCH and SPY correlate at 0.24, weak. Little has changed lately, as the 1-year reading of 0.25 lands near the 3-year figure. Stretching to 5 years gives 0.16, with an annualized covariance of 527.1 %².
Among the 10 assets we track against ATCH, SPY sits near the bottom by co-movement, at rank #6. Correlation aside, the last 12 months split them widely, with SPY ahead by 21.6 points (-1.0% versus +20.6%). One caveat on sizing: ATCH is 10.3 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.
ATCH vs SPY: side by side
| ATCH (AtlasClear Holdings, Inc.) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | -1.0% | +20.6% |
| 5-year return | -100.0% | +82.4% |
| Volatility (ann.) | 149.4% | 14.5% |
| Beta vs S&P 500 | 2.52 | 1.00 |
| Max drawdown (3Y) | -100.0% | -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 | ATCH | SPY |
|---|---|---|
| 2022 | +1.6% | -18.2% |
| 2023 | -38.3% | +26.2% |
| 2024 | -97.4% | +24.9% |
| 2025 | -97.4% | +17.7% |
| 2026 | -23.9% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ATCH and SPY good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.24 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between ATCH and SPY?
Using weekly returns as of 2026-08-27: 0.24 over 3 years, with 0.25 over the last year and 0.16 over 5 years.
Is SPY a good diversifier for ATCH?
Yes, to a useful degree: a correlation of 0.24 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.24 mean?
A reading of 0.24 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/atch-vs-spy.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/atch-vs-spy/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: ATCH correlations · SPY correlations