This is the effect of the last, and unique, 5 coins that Coinbase has added to its platform in the last 30 months.

We hope that Stellar is the next big Coin that Coinbase will add for its users, and we hope it will have even more growth than the others!
What is this?
I guess that you compared the price of each coin at two different timepoints.
One for the launch day on Coinbase.
Another one for the next one week after the launch day.
Did I understand your statistical analysis method right?