The "yen" you use in this game is only a number inside this screen. It is not real money. It cannot be bought, cashed out, exchanged for prizes, or given to anyone. Prices here are not a weather forecast and not investment advice. Not made or endorsed by the organisations whose figures decide the answers. About this game

Questions

Balance 100,000 yen

Weather Closes 10/20 23:59
Will five or more typhoons form in October 2026?
Yes 0.17 No 0.83
Weather Closes 10/31 23:59
Will three or more typhoons form in November 2026?
Yes 0.37 No 0.63
Weather Closes 11/2 23:59
Will Tokyo's daily maximum temperature on 3 November 2026 be 20.0°C or higher?
Yes 0.6 No 0.4
Weather Closes 11/5 23:59
Will Tokyo's daily maximum temperature on 6 November 2026 be 24.0°C or higher?
Yes 0.07 No 0.93
Weather Closes 11/17 23:59
Will Sapporo's daily minimum temperature on 18 November 2026 be below 0.0°C?
Yes 0.5 No 0.5
Weather Closes 11/23 23:59
Will Sapporo's daily maximum temperature on 24 November 2026 be below 0.0°C?
Yes 0.2 No 0.8

Forecast Yes or No. Answers are decided by published figures.

Sorted by closing time, soonest first (not a recommended order). Prices move with the amounts bought; they do not show how likely an answer is and are not a weather forecast.