MGA vs SIF: Correlation
Magna International, Inc. (MGA) and SIFCO Industries, Inc. (SIF) show a moderate relationship: their 3-year correlation of weekly returns is 0.38.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MGA and SIF?
Over the past 3 years, MGA and SIF moved with a correlation of 0.38, which is moderate. Little has changed lately, as the 1-year reading of 0.46 lands near the 3-year figure. Over 5 years the correlation is 0.24, and the annualized covariance of weekly returns is 910.9 %².
Among the 18 assets we track against MGA, SIF ranks #13 by 3-year correlation. Correlation aside, the last 12 months split them widely, with SIF ahead by 187.0 points (+45.2% versus +232.2%). Note the risk asymmetry: SIF runs 2.4 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.
MGA vs SIF: side by side
| MGA (Magna International, Inc.) | SIF (SIFCO Industries, Inc.) | |
|---|---|---|
| 1-year return | +45.2% | +232.2% |
| 5-year return | -1.8% | +174.7% |
| Volatility (ann.) | 31.5% | 76.9% |
| Beta vs S&P 500 | 0.87 | 0.80 |
| Max drawdown (3Y) | -45.6% | -57.3% |
| Market cap | $17.6B | – |
| P/E (trailing) | 24.2 | 35.5 |
| Dividend yield | 2.98% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | MGA | SIF |
|---|---|---|
| 2022 | -28.6% | -66.8% |
| 2023 | +8.8% | +110.2% |
| 2024 | -26.3% | -21.8% |
| 2025 | +32.4% | +57.2% |
| 2026 | +26.1% | +300.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MGA and SIF good diversifiers for each other?
A fair diversifier. At 0.38, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between MGA and SIF?
Using weekly returns as of 2026-08-27: 0.38 over 3 years, with 0.46 over the last year and 0.24 over 5 years.
Is SIF a good diversifier for MGA?
A fair diversifier. At 0.38, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.38 mean?
A reading of 0.38 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/mga-vs-sif.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/mga-vs-sif/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: MGA correlations · SIF correlations
