An American financial industry veteran who has seen it all in Japan, from the booms to the busts and everything in between, is bullish these days.

“Inflation is real here," said Dan Kerrigan, CEO of Interactive Brokers Securities Japan. "People are feeling it."

"If you have a significant part of your financial assets in cash, then you're losing your purchasing power," he said, adding that this will compel individuals "to put their cash to work."