Is AerCap Holdings NV overvalued or undervalued?

As of 30 July 2025, the valuation grade for AerCap Holdings NV moved from fair to attractive, indicating a positive shift in its valuation outlook. The company appears to be undervalued, supported by a P/E ratio of 11, an EV to EBITDA ratio of 10.15, and a Price to Book Value of 1.24. In comparison, SoFi Technologies, Inc. is considered expensive with a P/E of 54.79, while Synchrony Financial is very attractive with a P/E of 15.06.
AerCap's recent performance shows a strong return of 28.79% over the past year, significantly outperforming the S&P 500's return of 17.14% in the same period. This trend, along with its attractive valuation ratios, reinforces the conclusion that AerCap Holdings NV is currently undervalued in the market.