Very Misleading,單一入場時間點選擇性偏差。更準確的方法是用DCA的多個入場時間點。舉例。。

QQQ 單一入場點投資:6/30/2000 ~ 6/30/2023, Annualized return= 6.94%

QQQ 單一入場點投資:6/30/2003 ~ 6/30/2023, Annualized return= 14.2% (晚三年投資,差別高達每年7.26%)

QQQ DCA多個入場點投資:6/30/2000 ~ 6/30/2023, Annualized return= 14.4%

QQQ DCA多個入場點投資:6/30/2003 ~ 6/30/2023, Annualized return= 15.8% (差別每年1.4%)

結論:花街擅長於玩弄報表數據,不要take it at its face value.

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