Whereas international platforms reminiscent of Polymarket and Kalshi stay blocked by Japan’s strict playing legal guidelines, prediction markets are quietly taking root via home startups. Their mannequin borrows the identical workaround that has allowed Japan’s $100 billion pachinko trade to function for many years.
International prediction market platforms can not legally function in Japan, however that has not stopped prediction markets from rising. Home startups are adapting the identical authorized workaround that has allowed Japan’s pachinko trade to function for many years.
Miraima app is an ideal instance of the pattern. Being simply seven months outdated the app has already attracted a million month-to-month customers. The platform lets customers wager on sports activities, shares, and political occasions utilizing factors reasonably than money. Winnings are redeemed individually via reward playing cards and retail reward programmes, primarily PayPay and Rakuten.
The Pachinko Mannequin Goes Digital
The construction is acquainted to anybody who is aware of Japan’s pachinko trade. Reasonably than paying money straight, pachinko parlours award bodily tokens which can be exchanged for cash via separate companies.
Prediction market startups are making use of the identical precept digitally: customers wager factors contained in the platform, whereas rewards are redeemed individually via third-party loyalty programmes.
“Since real-money playing isn’t doable, we constructed the platform round Japan’s robust gaming and point-collecting tradition,” Miraima founder Keita Adachi informed Bloomberg.
Miraima describes itself as “Japan’s first” prediction market and a factors exercise app. In its personal social media bio, the corporate says customers can predict outcomes in areas reminiscent of politics and sports activities with out betting cash, then trade right predictions for reward vouchers.
The product presentation factors in the identical path. Miraima shows occasion chances, market charts, trending subjects, and sports activities classes in a format that carefully resembles established prediction market platforms reminiscent of Polymarket.

Screenshot of Miraima app interface
Worldwide Platforms Take Completely different Routes
Worldwide operators have responded otherwise to Japan’s regulatory setting. Polymarket lately appointed former Jupiter Japan head Mike Eidlin to steer its efforts within the nation.
The corporate has publicly recognized 2030 as its goal for regulatory approval, coinciding with the opening of MGM Osaka, Japan’s first built-in on line casino resort.
Elsewhere, Polymarket and Kalshi proceed accepting customers in India regardless of the nation’s evolving regulatory panorama. Japan, in contrast, stays a market the place neither platform presently operates straight.
What It Means for Brokers
Japan stays closed to traditional prediction market merchandise. On the identical time, the fast progress of point-based platforms suggests demand for event-based buying and selling already exists underneath the present authorized framework.
The mannequin rests on a key authorized distinction: customers don’t formally wager or obtain money straight via the platform itself. Attorneys following the market say that distinction stays defensible underneath present legislation, though future enforcement may finally check that interpretation.
Japan can be rising the 2026 finances for its On line casino Administration Fee whereas increasing digital monitoring capabilities. Whether or not point-based prediction markets proceed working underneath the prevailing framework, or change into a part of a future regulated market, will depend upon how regulators select to use present playing legal guidelines.

