FOXX vs STI: Correlation
Foxx Development Holdings Inc. (FOXX) and Solidion Technology, Inc. (STI) show a moderate relationship: their 3-year correlation of weekly returns is 0.43.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FOXX and STI?
Over the past 3 years, FOXX and STI moved with a correlation of 0.43, which is moderate. The link has tightened recently: the 1-year correlation (0.63) runs above the 3-year figure (0.43). Over 5 years the correlation is 0.43, and the annualized covariance of weekly returns is 21422.9 %².
By 3-year correlation, STI places #5 of the 25 assets tracked against FOXX. The last year tells two different stories: STI led by 199.7 percentage points, -54.3% for FOXX against +145.4% for STI. One caveat on sizing: STI is 4.2 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.
FOXX vs STI: side by side
| FOXX (Foxx Development Holdings Inc.) | STI (Solidion Technology, Inc.) | |
|---|---|---|
| 1-year return | -54.3% | +145.4% |
| 5-year return | n/a | -98.5% |
| Volatility (ann.) | 108.9% | 458.4% |
| Beta vs S&P 500 | -0.69 | -1.02 |
| Max drawdown (3Y) | -87.3% | -99.5% |
| Market cap | – | $0.1B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | FOXX | STI |
|---|---|---|
| 2023 | +8.2% | -24.1% |
| 2024 | -48.4% | -90.9% |
| 2025 | -18.7% | -79.7% |
| 2026 | -40.9% | +9.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FOXX and STI good diversifiers for each other?
A fair diversifier. At 0.43, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between FOXX and STI?
The FOXX/STI correlation stands at 0.43 on a 3-year window (1 year: 0.63, 5 years: 0.43), computed from weekly returns as of 2026-08-27.
Is STI a good diversifier for FOXX?
A fair diversifier. At 0.43, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.43 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/foxx-vs-sti.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/foxx-vs-sti/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: FOXX correlations · STI correlations
