COSO vs SFST

For growth investors, Southern First Bancshares, Inc.

(SFST) is the stronger pick with 5. 3% revenue growth year-over-year, versus 4. 7% for CoastalSouth Bancshares, Inc. (COSO). CoastalSouth Bancshares, Inc. (COSO) offers the better valuation at 12. 5x trailing P/E (11. 6x forward), making it the more compelling value choice. Analysts rate CoastalSouth Bancshares, Inc. (COSO) a "Buy" — based on 1 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, CoastalSouth Bancshares, Inc.

(COSO) is the cheapest at 12. 5x versus Southern First Bancshares, Inc. at 16. 2x. On forward P/E, CoastalSouth Bancshares, Inc. is actually cheaper at 11. 6x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: CoastalSouth Bancshares, Inc. wins at 0. 53x versus Southern First Bancshares, Inc. 's 1. 19x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, CoastalSouth Bancshares, Inc.

(COSO) delivered a total return of +58. 1%, compared to +17. 4% for Southern First Bancshares, Inc. (SFST). Over 10 years, the gap is even starker: SFST returned +142. 5% versus COSO's +35. 2%. 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), CoastalSouth Bancshares, Inc.

(COSO) is the lower-risk stock at 0. 51β versus Southern First Bancshares, Inc. 's 0. 83β — meaning SFST is approximately 64% more volatile than COSO relative to the S&P 500. On balance sheet safety, CoastalSouth Bancshares, Inc. (COSO) carries a lower debt/equity ratio of 12% versus 72% for Southern First Bancshares, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Southern First Bancshares, Inc.

(SFST) is pulling ahead at 5. 3% versus 4. 7% for CoastalSouth Bancshares, Inc. (COSO). On earnings-per-share growth, the picture is similar: Southern First Bancshares, Inc. grew EPS 96. 3% year-over-year, compared to 3. 3% for CoastalSouth Bancshares, Inc.. 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.

CoastalSouth Bancshares, Inc.

(COSO) is the more profitable company, earning 18. 3% net margin versus 13. 5% for Southern First Bancshares, Inc. — meaning it keeps 18. 3% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: COSO leads at 22. 9% versus 17. 6% for SFST. At the gross margin level — before operating expenses — COSO leads at 58. 0%, 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, CoastalSouth Bancshares, Inc. (COSO) is the more undervalued stock at a PEG of 0. 53x versus Southern First Bancshares, Inc. 's 1. 19x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, CoastalSouth Bancshares, Inc. (COSO) trades at 11. 6x forward P/E versus 11. 8x for Southern First Bancshares, Inc. — 0. 2x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for COSO: 11. 3% to $30. 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, CoastalSouth Bancshares, Inc.

(COSO) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 51)). Both have compounded well over 10 years (COSO: +35. 2%, SFST: +142. 5%), 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.