CoastalSouth Bancshares, Inc. (COSO) Q3 Earnings: Taking a Look at Key Metrics Versus Estimates

CoastalSouth Bancshares reported Q3 2026 revenue of $24.86 million, up 16.8% year-over-year and beating consensus estimates by 4.51%. EPS of $0.71 significantly exceeded the $0.59 estimate by 20.34%. Key metrics showed strong performance including a better-than-expected efficiency ratio of 55.2% and improved net interest margin of 3.7%. However, the stock has underperformed the broader market with a -1% return over the past month and carries a Zacks Rank #3 (Hold) rating.