PFX vs SPY: Correlation
Measured on weekly returns over the past three years, PhenixFIN Corporation (PFX) and SPDR S&P 500 ETF Trust (SPY) carry a correlation of 0.05, a near-zero link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PFX and SPY?
Over the past 3 years, PFX and SPY moved with a correlation of 0.05, which is near zero, meaning they move largely independently. Little has changed lately, as the 1-year reading of -0.00 lands near the 3-year figure. Over 5 years the correlation is 0.08, and the annualized covariance of weekly returns is 17.0 %².
Within PFX's tracked universe of 18 assets, SPY comes in at #6 by 3-year correlation. On 12-month performance SPY holds a 12.7-point edge, +7.9% against +20.6%. Note the risk asymmetry: PFX runs 1.6 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.
PFX vs SPY: side by side
| PFX (PhenixFIN Corporation) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | +7.9% | +20.6% |
| 5-year return | +36.0% | +82.4% |
| Volatility (ann.) | 22.8% | 14.5% |
| Beta vs S&P 500 | 0.08 | 1.00 |
| Max drawdown (3Y) | -29.6% | -18.8% |
| Market cap | $0.1B | – |
| P/E (trailing) | 22.7 | – |
| 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 | PFX | SPY |
|---|---|---|
| 2022 | -25.5% | -18.2% |
| 2023 | +36.1% | +26.2% |
| 2024 | +23.3% | +24.9% |
| 2025 | -10.1% | +17.7% |
| 2026 | +19.6% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PFX and SPY good diversifiers for each other?
Yes: at 0.05, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between PFX and SPY?
The PFX/SPY correlation stands at 0.05 on a 3-year window (1 year: -0.00, 5 years: 0.08), computed from weekly returns as of 2026-08-27.
Is SPY a good diversifier for PFX?
Yes: at 0.05, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of 0.05 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/pfx-vs-spy.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/pfx-vs-spy/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: PFX correlations · SPY correlations
