Certain cryptocurrencies, such as Tether and Chainlink, were chosen to be omitted due to the negligible price difference over time or limited data.
The closing price has been taken in log due to the massive difference between Bitcoin and other cryptocurrencies.
On March 31st 2021, Bitcoin had the highest price of $58810.16 and Ethereum with the 2nd highest price of $1947.36, which is a staggering $56862.80 difference.