FSI vs SPY: Correlation
Measured on weekly returns over the past three years, Flexible Solutions International Inc. (FSI) and SPDR S&P 500 ETF Trust (SPY) carry a correlation of 0.27, a weak link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FSI and SPY?
On 3 years of weekly data the FSI/SPY correlation comes out at 0.27, weak. The relationship has been stable: the 1-year correlation (0.33) sits close to the 3-year figure. The 5-year figure is 0.23, and annualized covariance runs at 290.0 %².
Among the 10 assets we track against FSI, SPY sits near the bottom by co-movement, at rank #6. Correlation aside, the last 12 months split them widely, with SPY ahead by 59.0 points (-38.4% versus +20.6%). Risk is not evenly split, since FSI carries 5.0 times the volatility of the other side.
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.
FSI vs SPY: side by side
| FSI (Flexible Solutions International Inc.) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | -38.4% | +20.6% |
| 5-year return | +71.9% | +82.4% |
| Volatility (ann.) | 73.1% | 14.5% |
| Beta vs S&P 500 | 1.39 | 1.00 |
| Max drawdown (3Y) | -56.4% | -18.8% |
| Market cap | $0.1B | – |
| 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 | FSI | SPY |
|---|---|---|
| 2022 | -20.3% | -18.2% |
| 2023 | -37.3% | +26.2% |
| 2024 | +89.0% | +24.9% |
| 2025 | +90.6% | +17.7% |
| 2026 | -11.8% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FSI and SPY good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.27 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between FSI and SPY?
Using weekly returns as of 2026-08-27: 0.27 over 3 years, with 0.33 over the last year and 0.23 over 5 years.
Is SPY a good diversifier for FSI?
Yes, to a useful degree: a correlation of 0.27 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.27 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.
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Related comparisons
Hubs: FSI correlations · SPY correlations
