ACGL vs GLRE

For growth investors, Arch Capital Group Ltd.

(ACGL) is the stronger pick with 14. 3% revenue growth year-over-year, versus 7. 5% for Greenlight Capital Re, Ltd. (GLRE). Arch Capital Group Ltd. (ACGL) offers the better valuation at 8. 1x trailing P/E (10. 1x forward), making it the more compelling value choice. Analysts rate Arch Capital Group Ltd. (ACGL) a "Buy" — based on 34 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, Arch Capital Group Ltd.

(ACGL) is the cheapest at 8. 1x versus Greenlight Capital Re, Ltd. at 8. 2x. On forward P/E, Greenlight Capital Re, Ltd. is actually cheaper at 8. 9x — notably different from the trailing picture, reflecting expected earnings growth. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Greenlight Capital Re, Ltd. wins at 0. 11x versus Arch Capital Group Ltd. 's 0. 35x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, Arch Capital Group Ltd.

(ACGL) delivered a total return of +150. 7%, compared to +98. 0% for Greenlight Capital Re, Ltd. (GLRE). Over 10 years, the gap is even starker: ACGL returned +325. 3% versus GLRE's -15. 3%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Arch Capital Group Ltd.

(ACGL) is the lower-risk stock at 0. 02β versus Greenlight Capital Re, Ltd. 's 0. 40β — meaning GLRE is approximately 2501% more volatile than ACGL relative to the S&P 500. On balance sheet safety, Greenlight Capital Re, Ltd. (GLRE) carries a lower debt/equity ratio of 1% versus 11% for Arch Capital Group Ltd. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Arch Capital Group Ltd.

(ACGL) is pulling ahead at 14. 3% versus 7. 5% for Greenlight Capital Re, Ltd. (GLRE). On earnings-per-share growth, the picture is similar: Greenlight Capital Re, Ltd. grew EPS 75. 0% year-over-year, compared to 3. 8% for Arch Capital Group Ltd.. Over a 3-year CAGR, ACGL leads at 27. 3% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Arch Capital Group Ltd.

(ACGL) is the more profitable company, earning 22. 1% net margin versus 10. 7% for Greenlight Capital Re, Ltd. — meaning it keeps 22. 1% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: ACGL leads at 25. 0% versus 11. 2% for GLRE. At the gross margin level — before operating expenses — GLRE leads at 40. 9%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, Greenlight Capital Re, Ltd. (GLRE) is the more undervalued stock at a PEG of 0. 11x versus Arch Capital Group Ltd. 's 0. 35x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, Greenlight Capital Re, Ltd. (GLRE) trades at 8. 9x forward P/E versus 10. 1x for Arch Capital Group Ltd. — 1. 2x cheaper on a one-year earnings basis.

None of the stocks in this comparison currently pay a material dividend.

All are effectively zero-yield and should be held for capital appreciation rather than income.

For long-horizon retirement investors, Arch Capital Group Ltd.

(ACGL) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 02), +325. 3% 10Y return). Both have compounded well over 10 years (ACGL: +325. 3%, GLRE: -15. 3%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

Both stocks operate in the Financial Services sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.