SLNH vs SPY: Correlation
Soluna Holdings, Inc. (SLNH) and SPDR S&P 500 ETF Trust (SPY) show a weak relationship: their 3-year correlation of weekly returns is 0.26.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SLNH and SPY?
Across a 3-year window, the weekly returns of SLNH and SPY correlate at 0.26, weak. Little has changed lately, as the 1-year reading of 0.27 lands near the 3-year figure. Stretching to 5 years gives 0.27, with an annualized covariance of 678.0 %².
Out of 13 assets tracked against SLNH, SPY lands near the bottom at #10. Correlation aside, the last 12 months split them widely, with SLNH ahead by 127.3 points (+147.9% versus +20.6%). Note the risk asymmetry: SLNH runs 12.4 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.
SLNH vs SPY: side by side
| SLNH (Soluna Holdings, Inc.) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | +147.9% | +20.6% |
| 5-year return | -99.5% | +82.4% |
| Volatility (ann.) | 179.3% | 14.5% |
| Beta vs S&P 500 | 3.25 | 1.00 |
| Max drawdown (3Y) | -94.8% | -18.8% |
| Market cap | $0.3B | – |
| 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 | SLNH | SPY |
|---|---|---|
| 2022 | -97.6% | -18.2% |
| 2023 | -38.5% | +26.2% |
| 2024 | -47.5% | +24.9% |
| 2025 | -44.3% | +17.7% |
| 2026 | +1.7% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SLNH 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 SLNH and SPY?
The SLNH/SPY correlation stands at 0.26 on a 3-year window (1 year: 0.27, 5 years: 0.27), computed from weekly returns as of 2026-08-27.
Is SPY a good diversifier for SLNH?
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/slnh-vs-spy.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/slnh-vs-spy/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: SLNH correlations · SPY correlations