Interactive Brokers Group vs. Mastercard: Which Financial Stock Is a Better Buy for 2027?

The article compares Interactive Brokers Group and Mastercard as investment options for 2027. Interactive Brokers trades at a lower forward P/E (28.8 vs 33.5) and has zero debt, but Mastercard demonstrates superior profitability with a 45.6% net margin versus 15.9%. The author recommends Mastercard due to secular tailwinds in digital payments and its impressive ability to convert revenue into profits, despite Interactive Brokers being a solid company.