MACI vs VOO: Correlation
Melar Acquisition Corp. I - Class A (MACI) and Vanguard S&P 500 ETF (VOO) show a negative relationship: their 3-year correlation of weekly returns is -0.17.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MACI and VOO?
On 3 years of weekly data the MACI/VOO correlation comes out at -0.17, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.24) sits close to the 3-year figure. The 5-year figure is n/a, and annualized covariance runs at -5.4 %².
Among the 71 assets we track against MACI, VOO ranks #19 by 3-year correlation. Correlation aside, the last 12 months split them widely, with VOO ahead by 16.2 points (+4.4% versus +20.6%). One caveat on sizing: VOO is 6.9 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.
MACI vs VOO: side by side
| MACI (Melar Acquisition Corp. I - Class A) | VOO (Vanguard S&P 500 ETF) | |
|---|---|---|
| 1-year return | +4.4% | +20.6% |
| 5-year return | n/a | +83.0% |
| Volatility (ann.) | 2.1% | 14.4% |
| Beta vs S&P 500 | -0.03 | 0.99 |
| Max drawdown (3Y) | -2.0% | -18.7% |
| Market cap | $0.2B | – |
| P/E (trailing) | 60.9 | – |
| Dividend yield | 0.00% | 1.07% |
| Expense ratio | – | 0.03% |
| Assets under management | – | $1,686.9B |
| Sector / category | US Listed | ETF · US Large Cap |
VOO, Vanguard's Large Blend fund, carries $1,686.9B under management, 503 holdings, a 0.03% expense ratio, a 1.07% trailing dividend yield.
Year-by-year returns
| Year | MACI | VOO |
|---|---|---|
| 2022 | – | -18.2% |
| 2023 | – | +26.3% |
| 2024 | – | +25.0% |
| 2025 | +5.7% | +17.8% |
| 2026 | +3.1% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MACI and VOO good diversifiers for each other?
Yes: at -0.17, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between MACI and VOO?
The MACI/VOO correlation stands at -0.17 on a 3-year window (1 year: -0.24, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is VOO a good diversifier for MACI?
Yes: at -0.17, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.17 mean?
A reading of -0.17 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/maci-vs-voo.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/maci-vs-voo/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: MACI correlations · VOO correlations
