ACIC vs MCY: Correlation
Measured on weekly returns over the past three years, American Coastal Insurance Corporation (ACIC) and Mercury General Corporation (MCY) carry a correlation of 0.38, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ACIC and MCY?
Across a 3-year window, the weekly returns of ACIC and MCY correlate at 0.38, moderate. Recent behaviour matches the longer record: 0.28 over 1 year against 0.38 over 3. Stretching to 5 years gives 0.13, with an annualized covariance of 451.0 %².
By 3-year correlation, MCY places #5 of the 10 assets tracked against ACIC. Correlation aside, the last 12 months split them widely, with MCY ahead by 40.4 points (-6.3% versus +34.1%).
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.
ACIC vs MCY: side by side
| ACIC (American Coastal Insurance Corporation) | MCY (Mercury General Corporation) | |
|---|---|---|
| 1-year return | -6.3% | +34.1% |
| 5-year return | +184.8% | +99.9% |
| Volatility (ann.) | 33.6% | 35.8% |
| Beta vs S&P 500 | 0.49 | 0.75 |
| Max drawdown (3Y) | -32.8% | -40.0% |
| Market cap | $0.4B | – |
| P/E (trailing) | 4.7 | 6.2 |
| Dividend yield | 0.00% | 1.21% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ACIC | MCY |
|---|---|---|
| 2022 | -75.1% | -32.6% |
| 2023 | +792.5% | +13.6% |
| 2024 | +42.3% | +82.3% |
| 2025 | -2.5% | +44.1% |
| 2026 | -20.6% | +9.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ACIC and MCY good diversifiers for each other?
Reasonably. At 0.38, ACIC and MCY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between ACIC and MCY?
Using weekly returns as of 2026-08-27: 0.38 over 3 years, with 0.28 over the last year and 0.13 over 5 years.
Is MCY a good diversifier for ACIC?
Reasonably. At 0.38, ACIC and MCY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.38 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/acic-vs-mcy.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/acic-vs-mcy/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ACIC correlations · MCY correlations
