Whereas world platforms resembling Polymarket and Kalshi are nonetheless blocked by Japan’s strict playing legal guidelines, prediction markets are quietly taking root by home startups. Their mannequin borrows the identical workarounds which have allowed Japan’s $100 billion pachinko business to function for many years.
International prediction market platforms can not legally function in Japan, however that hasn’t stopped prediction markets from rising. Home startups are using the identical authorized workarounds which have allowed Japan’s pachinko business to function for many years.
The Miraima app is a superb instance of this pattern. The app is simply seven months previous and already attracts 1 million month-to-month customers. The platform permits customers to wager on sports activities, shares, and political occasions utilizing factors fairly than money. Prizes might be redeemed individually by present playing cards and retail rewards applications (primarily PayPay and Rakuten).
Digitization of pachinko fashions
This construction is well-known to anybody who is aware of the Japanese pachinko business. Relatively than paying money straight, pachinko parlors award bodily tokens which can be exchanged for cash by one other enterprise.
Prediction market startups are making use of the identical ideas to digital. Customers stake factors throughout the platform, however rewards are redeemed individually by third-party loyalty applications.
“Playing with actual cash just isn’t doable, so we constructed our platform round Japan’s sturdy gaming and point-collecting tradition,” Miraima founder Keita Adachi advised Bloomberg.
Miraima calls itself “Japan’s first” prediction market and level exercise app. The corporate says in its social media bio that customers can predict outcomes in areas resembling politics and sports activities with out inserting any cash on the road, and redeem right predictions for present certificates.
The product presentation additionally factors in the identical route. Miraima shows occasion possibilities, market charts, trending subjects, and sports activities classes in a format a lot just like established prediction market platforms resembling Polymarket.

Screenshot of Miraima app interface
Worldwide platforms comply with totally different routes
Worldwide carriers are responding in a different way to Japan’s regulatory surroundings. Polymarket lately appointed former Jupiter Japan president Mike Eidlin to steer its home efforts.
The corporate has introduced 2030 as its goal for regulatory approval, coinciding with the opening of Japan’s first built-in on line casino resort, MGM Osaka.
Elsewhere, Polymarket and Kalshi proceed to accommodate customers in India, regardless of India’s evolving regulatory surroundings. In distinction, Japan stays a market the place neither platform at present operates straight.
What it means for brokers
Japan continues to be closed to conventional prediction market merchandise. On the similar time, the fast development of points-based platforms means that demand for event-based buying and selling already exists underneath the present authorized framework.
This mannequin is predicated on an necessary authorized distinction. Customers don’t formally place bets or obtain money straight by the platform itself. Legal professionals following the market say the excellence stays defensible underneath present legislation, however future enforcement might in the end take a look at its interpretation.
Japan can also be growing the On line casino Administration Fee’s 2026 finances whereas increasing its digital surveillance capabilities. Whether or not points-based prediction markets proceed to function underneath the present framework or turn out to be a part of a future regulated market will depend upon how regulators select to use current playing legal guidelines.
