QQQ現在$600, 你花$200買2027 Jan 440 call, 就大概是3X, premium $40
你付大概5% interest rate. 如果到時$440以下你就全沒了。 買TQQQ的話,能給你剩一點。but TQQQ has 5-20% annual volatility decay. TQQQ also has daily compounding effect. The combined effects really depend on how the market goes.