PRA vs ACGL

For growth investors, Arch Capital Group Ltd.

(ACGL) is the stronger pick with 14. 3% revenue growth year-over-year, versus -2. 7% for ProAssurance Corporation (PRA). 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 ProAssurance Corporation at 24. 8x. On forward P/E, Arch Capital Group Ltd. is actually cheaper at 10. 1x.

Over the past 5 years, Arch Capital Group Ltd.

(ACGL) delivered a total return of +150. 7%, compared to -4. 4% for ProAssurance Corporation (PRA). Over 10 years, the gap is even starker: ACGL returned +325. 3% versus PRA's -18. 0%. 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 ProAssurance Corporation's 0. 05β — meaning PRA is approximately 214% more volatile than ACGL relative to the S&P 500. On balance sheet safety, Arch Capital Group Ltd. (ACGL) carries a lower debt/equity ratio of 11% versus 32% for ProAssurance Corporation — 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 -2. 7% for ProAssurance Corporation (PRA). On earnings-per-share growth, the picture is similar: Arch Capital Group Ltd. grew EPS 3. 8% year-over-year, compared to -3. 9% for ProAssurance Corporation. 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 4. 6% for ProAssurance Corporation — 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 6. 6% for PRA. At the gross margin level — before operating expenses — PRA leads at 39. 4%, 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.

On forward earnings alone, Arch Capital Group Ltd.

(ACGL) trades at 10. 1x forward P/E versus 21. 8x for ProAssurance Corporation — 11. 7x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for ACGL: 9. 8% to $104. 00.

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%, PRA: -18. 0%), 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.

In terms of investment character: PRA is a small-cap quality compounder stock; ACGL is a mid-cap deep-value stock. 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.