BIVI vs SPY: Correlation
Measured on weekly returns over the past three years, BioVie Inc. (BIVI) and SPDR S&P 500 ETF Trust (SPY) carry a correlation of 0.15, a weak link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BIVI and SPY?
Across a 3-year window, the weekly returns of BIVI and SPY correlate at 0.15, weak. The past 12 months show a weaker link (-0.01) than the 3-year average (0.15). Stretching to 5 years gives 0.12, with an annualized covariance of 303.0 %².
Out of 12 assets tracked against BIVI, SPY lands near the bottom at #8. On 12-month performance BIVI holds a 14.6-point edge, +35.2% against +20.6%. One caveat on sizing: BIVI is 9.6 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.
BIVI vs SPY: side by side
| BIVI (BioVie Inc.) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | +35.2% | +20.6% |
| 5-year return | -99.7% | +82.4% |
| Volatility (ann.) | 139.8% | 14.5% |
| Beta vs S&P 500 | 1.45 | 1.00 |
| Max drawdown (3Y) | -99.8% | -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 | BIVI | SPY |
|---|---|---|
| 2022 | +72.7% | -18.2% |
| 2023 | -83.8% | +26.2% |
| 2024 | -84.1% | +24.9% |
| 2025 | -94.2% | +17.7% |
| 2026 | +88.8% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BIVI and SPY good diversifiers for each other?
By historical standards, yes. A correlation of 0.15 means the two rarely move for the same reasons.
FAQ
What is the correlation between BIVI and SPY?
The BIVI/SPY correlation stands at 0.15 on a 3-year window (1 year: -0.01, 5 years: 0.12), computed from weekly returns as of 2026-08-27.
Is SPY a good diversifier for BIVI?
By historical standards, yes. A correlation of 0.15 means the two rarely move for the same reasons.
What does a correlation of 0.15 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: BIVI correlations · SPY correlations
