Practice with a blind chart: historical stocks and Bitcoin

A blind chart replay shows real historical daily candles in sequence while keeping the ticker and dates hidden. Prices start at a normalized value of 100, so the nominal price does not reveal the answer.

Trade with virtual funds, choose simulated long or short positions, and adjust order size and leverage. Pause the replay or change its speed. The game applies its displayed simulated fees and position valuation; it places no real exchange orders.

After settlement, the ticker and historical dates appear beside your return and the buy-and-hold result for the same interval. Review where you entered, exited or stayed out rather than treating one outcome as a score.

This is a known historical path, so hindsight bias is unavoidable. One replay does not validate a strategy or predict future returns, and the simulation does not reproduce every execution cost or liquidity condition. The interactive game currently uses Korean controls.