For those who view ERC-20 tokens as potential investment opportunities, now may be a time to pay slightly closer attention. In the 20 day period from September 7 to September 27 of 2018, a sample of 574 ERC-20 tokens from the Ethereum One dataset was observed. The average price of those tokens in US dollars, weighted by their market cap, was calculated for each day. Below is a visualization of that data; the labels on the chart reflect the percent change since September 7.

We see that a weighted average portfolio would be up …