SPY vs VISN: Correlation
How closely do SPDR S&P 500 ETF Trust (SPY) and Vistance Networks, Inc. (VISN) trade together? Their weekly returns over three years give a correlation of 0.24, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SPY and VISN?
Over the past 3 years, SPY and VISN moved with a correlation of 0.24, which is weak. The relationship has been stable: the 1-year correlation (0.27) sits close to the 3-year figure. Over 5 years the correlation is 0.31, and the annualized covariance of weekly returns is 361.4 %².
Among the 4755 assets we track against SPY, VISN ranks #2894 by 3-year correlation. The last year tells two different stories: VISN led by 27.2 percentage points, +20.6% for SPY against +47.8% for VISN. One caveat on sizing: VISN is 7.3 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.
SPY vs VISN: side by side
| SPY (SPDR S&P 500 ETF Trust) | VISN (Vistance Networks, Inc.) | |
|---|---|---|
| 1-year return | +20.6% | +47.8% |
| 5-year return | +82.4% | +50.2% |
| Volatility (ann.) | 14.5% | 105.2% |
| Beta vs S&P 500 | 1.00 | 1.73 |
| Max drawdown (3Y) | -18.8% | -76.6% |
| Market cap | – | $2.7B |
| P/E (trailing) | – | – |
| Dividend yield | 1.01% | 0.00% |
| Expense ratio | 0.09% | – |
| Assets under management | $795.3B | – |
| Sector / category | ETF · US Large Cap | US Listed |
On the fund side, SPY sits in the Large Blend category at State Street Investment Management, with $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.
Year-by-year returns
| Year | SPY | VISN |
|---|---|---|
| 2022 | -18.2% | -33.4% |
| 2023 | +26.2% | -61.6% |
| 2024 | +24.9% | +84.8% |
| 2025 | +17.7% | +248.0% |
| 2026 | +13.7% | +31.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SPY and VISN 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 SPY and VISN?
The SPY/VISN correlation stands at 0.24 on a 3-year window (1 year: 0.27, 5 years: 0.31), computed from weekly returns as of 2026-08-27.
Is VISN a good diversifier for SPY?
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?
On the −1 to +1 scale, 0.24 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/spy-vs-visn.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/spy-vs-visn/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: SPY correlations · VISN correlations
