IVV vs MACI: Correlation
How closely do iShares Core S&P 500 ETF (IVV) and Melar Acquisition Corp. I - Class A (MACI) trade together? Their weekly returns over three years give a correlation of -0.18, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are IVV and MACI?
Over the past 3 years, IVV and MACI moved with a correlation of -0.18, which is negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.25) sits close to the 3-year figure. Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is -5.7 %².
MACI is close to the least connected end of IVV's tracked universe, ranking #118 of 122. The last year tells two different stories: IVV led by 16.3 percentage points, +20.7% for IVV against +4.4% for MACI. Note the risk asymmetry: IVV runs 6.9 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.
IVV vs MACI: side by side
| IVV (iShares Core S&P 500 ETF) | MACI (Melar Acquisition Corp. I - Class A) | |
|---|---|---|
| 1-year return | +20.7% | +4.4% |
| 5-year return | +83.0% | n/a |
| Volatility (ann.) | 14.5% | 2.1% |
| Beta vs S&P 500 | 1.00 | -0.03 |
| Max drawdown (3Y) | -18.8% | -2.0% |
| Market cap | – | $0.2B |
| P/E (trailing) | – | 60.9 |
| Dividend yield | 1.09% | 0.00% |
| Expense ratio | 0.03% | – |
| Assets under management | $869.2B | – |
| Sector / category | ETF · US Large Cap | US Listed |
IVV, iShares's Large Blend fund, carries $869.2B under management, 503 holdings, a 0.03% expense ratio, a 1.09% trailing dividend yield.
Year-by-year returns
| Year | IVV | MACI |
|---|---|---|
| 2022 | -18.2% | – |
| 2023 | +26.3% | – |
| 2024 | +24.9% | – |
| 2025 | +17.8% | +5.7% |
| 2026 | +13.7% | +3.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are IVV and MACI good diversifiers for each other?
By historical standards, yes. A correlation of -0.18 means the two rarely move for the same reasons.
FAQ
What is the correlation between IVV and MACI?
The IVV/MACI correlation stands at -0.18 on a 3-year window (1 year: -0.25, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is MACI a good diversifier for IVV?
By historical standards, yes. A correlation of -0.18 means the two rarely move for the same reasons.
What does a correlation of -0.18 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/ivv-vs-maci.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/ivv-vs-maci/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: IVV correlations · MACI correlations
