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Set your band — the range you believe the answer landed in.
distribution across comparable instrument-years
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Choose how many chips to risk: 1–40% of your account.
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Set a range for the answer, then stake 1–40% of your 1,000 chips.
If the answer lands inside your range, you win the quoted multiple. If it misses, you lose the stake.
Chips are play money and cannot be bought.
The house keeps 8% of every bet. Below 25 chips, the account closes and a new 1,000-chip account starts the next day.
Every answer comes from real split- and dividend-adjusted market bars. The reveal includes the data source and an integrity fingerprint. This uses historical prices; it is not trading advice.