A frenetic day of trading on Coinbase Pro saw unusual activity from what seems to be an early investor in Compound, which briefly hit $427.
Source: https://cointelegraph.com/news/defi-nitely-a-bubble-seller-blamed-as-comp-crashes-45-on-coinbase
DeFi-Nitely a Bubble? Seller Blamed as COMP Crashes 45% on Coinbase
June 24, 2020
CoinTelegraph