BZAI vs SPY: Correlation
Measured on weekly returns over the past three years, Blaize Holdings, Inc. (BZAI) and SPDR S&P 500 ETF Trust (SPY) carry a correlation of 0.08, a near-zero link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BZAI and SPY?
On 3 years of weekly data the BZAI/SPY correlation comes out at 0.08, near zero, meaning they move largely independently. The relationship has been stable: the 1-year correlation (0.16) sits close to the 3-year figure. The 5-year figure is 0.06, and annualized covariance runs at 115.0 %².
Within BZAI's tracked universe of 16 assets, SPY comes in at #7 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months SPY outperformed by 107.9 percentage points (-87.3% for BZAI against +20.6% for SPY). Risk is not evenly split, since BZAI carries 6.7 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.
BZAI vs SPY: side by side
| BZAI (Blaize Holdings, Inc.) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | -87.3% | +20.6% |
| 5-year return | -94.8% | +82.4% |
| Volatility (ann.) | 97.0% | 14.5% |
| Beta vs S&P 500 | 0.55 | 1.00 |
| Max drawdown (3Y) | -97.0% | -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 | BZAI | SPY |
|---|---|---|
| 2022 | – | -18.2% |
| 2023 | +5.6% | +26.2% |
| 2024 | +39.8% | +24.9% |
| 2025 | -87.0% | +17.7% |
| 2026 | -73.8% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BZAI and SPY good diversifiers for each other?
By historical standards, yes. A correlation of 0.08 means the two rarely move for the same reasons.
FAQ
What is the correlation between BZAI and SPY?
The BZAI/SPY correlation stands at 0.08 on a 3-year window (1 year: 0.16, 5 years: 0.06), computed from weekly returns as of 2026-08-27.
Is SPY a good diversifier for BZAI?
By historical standards, yes. A correlation of 0.08 means the two rarely move for the same reasons.
What does a correlation of 0.08 mean?
A reading of 0.08 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Hubs: BZAI correlations · SPY correlations