Wells Fargo (WFC 2.78%) and JPMorgan Chase (JPM 0.86%) are set to release earnings on Friday morning. Because of slowing mortgage refinancing activity, analysts expect these banks to report lower revenues in some segments.

In this video, Motley Fool banking analysts Matt Koppenheffer and David Hanson place their bets on what investors are more likely to see tomorrow: both banks crushing expectations, or both failing to meet analysts' estimates.