Once considered the exclusive realm of the wealthy and the reckless, foreign-exchange trading is now being touted as accessible to everyone even though it is still a high-risk game.

And people want in.

The market size -- cash deposits put up by individual investors in hopes of profiting from rate fluctuations -- hit around 202.8 billion yen in March, up from 8.7 billion yen four years before, Yano Research Institute Ltd. said.