"You don't run and hide when things get a little bit bad," he told CNBC's "Squawk Box," on the sidelines of the bank's annual CEO summit. "I want to go to Houston in a year, and have the people in Houston say, 'JPMorgan, thank you for sticking by us.'"
But he acknowledged: "You're going to see bankruptcies and problems" in the oil patch as the market rebalances.
"The future curve shows oil at $40 [per barrel]. Eventually, supply and demand will sort out," he continued. "It's confusing to figure out how it's going to happen. But it will eventually happen."