Here is what would happen if someone invested every month at the highest price since 2016.

Scenario:

Lets say you have a friend, call him buy-high Chuck, because he has a nag knack for buying crypto at the highest price every month. Say he invested 500 dollars split between bitcoin and ethereum every month since 2016. What would be the end result?

Method:

I used coinbase api so data was only available since 2016, Jan. For each month I find the highest price and bought 250 USD for BTC and ETH and held it until today's closing price.

Results:

• the monthly results are really long and I will post a link in the comments.
• Here is the summary table though.

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In summary,

A 500 dollar split in half between ETH / BTC, bought every month at its highest price, would total about ( $856,506.12) The most that was made with 250 dollar investment is (75,412) for ETH and (21,885) for BTC . This occurred on 2016-12 and 2016-03 respectively, while the lowest ( max loss), is (-116) dollars for ETH and (-110) dollars for BTC. Importantly the median return for a 250 dollar investment is 1,800 for ETH and 777 for BTC.

Plot: total earned per 250 USD investments

this should be logarithmic but its would obscure the price

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TLDR : buy-high Chuck who invested at the highest every month, 500 dollars split between ETH and BTC would had have about $856,506 USD in his portfolio from a 35,500 USD investment over the course of 6 years, or 2412.7%. Not bad for someone who has a nag for buying at the highest.

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PS: let me know if you have an idea for some number crunching and I will see if I can do it.