Short Ethereum beecause CME calls it EtherToday is the opening day of ETH futures on CME. It is known that the desk for CME's Ethereum futures hold ETH. If so, they would likely be interested in hedging short on a cash-settled futures contract such as CME's ETH.
They call it Ether. A travesty.
Note: This is a short term bias. Invalidation on break of open price.