While today's COVID-19 economy will undoubtedly recover, ways of doing business—and banking—will not. The lessons learned, and customer experiences, of the shutdown, are too powerful to ignore. These are the lessons of disruption and volatility. Importantly, banking executives need organizations that deliver "operating leverage": the capability to grow revenue much faster than costs—and, in a downturn, the flexibility to absorb significant declines in revenue with minimal operational damage. The good news is that today's confluence of disruptive events offers banking executives a rare opportunity to cut costs and volatility-proof their businesses against the inevitable shocks of the future—at the same time.