SPY vs STEX: Correlation
Measured on weekly returns over the past three years, SPDR S&P 500 ETF Trust (SPY) and Streamex Corp. (STEX) carry a correlation of 0.13, a weak link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SPY and STEX?
Across a 3-year window, the weekly returns of SPY and STEX correlate at 0.13, weak. The past 12 months show a tighter link (0.43) than the 3-year average (0.13). Stretching to 5 years gives 0.16, with an annualized covariance of 357.2 %².
By 3-year correlation, STEX places #3893 of the 4755 assets tracked against SPY. Correlation aside, the last 12 months split them widely, with SPY ahead by 103.3 points (+20.6% versus -82.7%). One caveat on sizing: STEX is 13.0 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 STEX: side by side
| SPY (SPDR S&P 500 ETF Trust) | STEX (Streamex Corp.) | |
|---|---|---|
| 1-year return | +20.6% | -82.7% |
| 5-year return | +82.4% | -97.3% |
| Volatility (ann.) | 14.5% | 188.3% |
| Beta vs S&P 500 | 1.00 | 1.71 |
| Max drawdown (3Y) | -18.8% | -96.0% |
| Market cap | – | $0.2B |
| 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 |
SPY, State Street Investment Management's Large Blend fund, carries $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.
Year-by-year returns
| Year | SPY | STEX |
|---|---|---|
| 2022 | -18.2% | -81.2% |
| 2023 | +26.2% | +13.1% |
| 2024 | +24.9% | -68.6% |
| 2025 | +17.7% | +103.4% |
| 2026 | +13.7% | -72.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SPY and STEX good diversifiers for each other?
Yes: at 0.13, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between SPY and STEX?
Using weekly returns as of 2026-08-27: 0.13 over 3 years, with 0.43 over the last year and 0.16 over 5 years.
Is STEX a good diversifier for SPY?
Yes: at 0.13, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of 0.13 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/spy-vs-stex.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/spy-vs-stex/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: SPY correlations · STEX correlations
