Post #2505 by mechinv on the Mechanical Investing board

Investment Strategies / Mechanical Investing

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You changed the rules to arrive at a different result.

I think you misunderstood the rules. The topic of this thread is using a DCA strategy to buy shares in an index fund every month. DCA means adding a fixed amount from your paycheck. I clearly stated in my rules that the DCA amount was $800/mo.

You claimed that starting with $600K in August of 2000 plus applying DCA would result in an ending value of $350K ten years later. That is incorrect.

Both Ray and I showed that the ending value is actually $634,678. We used two different DCA calculator tools to arrive at the same figure. And both Ray and I showed that even with that bad start, you could continue to DCA and retire 9 years later with about $2.2 million (in 2019).

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