Japan
Ticket price versus the sum of prize × probability, adjusted for tax and the jackpot-sharing penalty. Enter the current jackpot and see the honest number.
No current jackpot on file for this game — enter the advertised figure from the operator's site below.
Takarakuji prizes are tax-free in Japan under the lottery law.
Break-even jackpot: at the tax and sales figures entered, EV per ticket reaches zero at a jackpot of about ¥3,088,641,600. Two catches: sales — and therefore sharing — rise sharply with the jackpot, and a positive expected value still says nothing about variance or ruin. See why even a +EV jackpot usually isn't worth chasing.
Last verified: 2026-08-29