SCKT vs SPY: Correlation
How closely do Socket Mobile, Inc. (SCKT) and SPDR S&P 500 ETF Trust (SPY) trade together? Their weekly returns over three years give a correlation of 0.09, which is near-zero.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SCKT and SPY?
On 3 years of weekly data the SCKT/SPY correlation comes out at 0.09, near zero, meaning they move largely independently. Little has changed lately, as the 1-year reading of 0.06 lands near the 3-year figure. The 5-year figure is 0.13, and annualized covariance runs at 171.0 %².
SPY is close to the least connected end of SCKT's tracked universe, ranking #7 of 10. The last year tells two different stories: SPY led by 50.4 percentage points, -29.8% for SCKT against +20.6% for SPY. Note the risk asymmetry: SCKT runs 8.9 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.
SCKT vs SPY: side by side
| SCKT (Socket Mobile, Inc.) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | -29.8% | +20.6% |
| 5-year return | -89.6% | +82.4% |
| Volatility (ann.) | 128.9% | 14.5% |
| Beta vs S&P 500 | 0.82 | 1.00 |
| Max drawdown (3Y) | -75.9% | -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 | SCKT | SPY |
|---|---|---|
| 2022 | -52.7% | -18.2% |
| 2023 | -39.9% | +26.2% |
| 2024 | +14.7% | +24.9% |
| 2025 | -23.3% | +17.7% |
| 2026 | -29.1% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SCKT and SPY good diversifiers for each other?
By historical standards, yes. A correlation of 0.09 means the two rarely move for the same reasons.
FAQ
What is the correlation between SCKT and SPY?
Using weekly returns as of 2026-08-27: 0.09 over 3 years, with 0.06 over the last year and 0.13 over 5 years.
Is SPY a good diversifier for SCKT?
By historical standards, yes. A correlation of 0.09 means the two rarely move for the same reasons.
What does a correlation of 0.09 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/sckt-vs-spy.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/sckt-vs-spy/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: SCKT correlations · SPY correlations
