"While headlines today suggest the government is looking to slap some fines on them for business units that underwrote or securitized various products, JPMorgan is still in far better shape than any peers," said Tom Jalics, senior investment analyst at Key Private Bank. "It's not even close."
Dimon, 57, became CEO on December 31, 2005, and added the post of chairman a year later.
JPMorgan's chief financial officer, Marianne Lake, said legal expenses would not affect stock repurchase plans and that the bank "has every intention to pay our dividends."
Even beyond the litigation expenses, the third-quarter results were less than spectacular, with revenue declining 8 percent to $23.9 billion - about in line with forecasts - as fee income and lending income both fell.
JPMorgan and other U.S. banks have struggled to boost profits as loan volume has declined, interest margins have been under pressure, and fee income from debit cards and mortgages has been squeezed.
Also on Friday, Wells Fargo & Co the largest U.S. mortgage lender, reported a 13 percent rise in third-quarter profit but saw a sharp drop in mortgage banking income as a boom in refinancings began to fade.
Mortgage banking income also declined at JPMorgan, with net revenue falling 45 percent to $2.02 billion.