Is Casper on Coinbase?

As a keen observer of the cryptocurrency market, I've been following the developments surrounding Casper, a proposed upgrade to the Ethereum network. With Coinbase being one of the most popular cryptocurrency exchanges, it's natural to wonder if Casper is available for trading there. Could you please clarify if Casper is currently listed on Coinbase? Additionally, if it's not available, are there any plans to include it in the future? Understanding the accessibility of Casper on major exchanges is crucial for investors and traders alike.