Most traditional U.S. banks have been slow to raise rates, but the wealthiest customers are already demanding and receiving more yield. After all, they are the customers whose checking accounts remain stuffed even as other Americans feel the pain of inflation.
They also are sophisticated enough to gravitate toward other financial products where they can receive better rates.
The challenge for institutions will be analyzing the value of these customers, what it will take to retain them and how to get an even larger share of their wallets.