Is Costamare, Inc. overvalued or undervalued?

As of 21 November 2025, the valuation grade for Costamare, Inc. has moved from fair to expensive, indicating a shift towards overvaluation. The company appears overvalued based on its P/E ratio of 3, which is significantly lower than the industry average, and its EV to EBITDA ratio of 4.06, which also suggests a premium compared to peers. Additionally, the PEG ratio of 0.17 reflects a low growth expectation relative to its price, further supporting the overvaluation verdict.
In comparison to peers, Costamare's P/E ratio stands at 4.38, while International Seaways, Inc. has a much higher P/E of 9.81, and Star Bulk Carriers Corp. shows an even higher valuation with a P/E of 18.50. The recent stock performance indicates that Costamare has outperformed the S&P 500 year-to-date with a return of 52.84% compared to the index's 12.26%, but it has lagged behind in the three-year and ten-year periods, suggesting that while the short-term performance is strong, the long-term outlook may not be as favorable.