Ether, the second-largest cryptocurrency by market capitalization and daily volume, on Saturday hit a record $2 040.62, for a weekly gain of about 12%.

Ether is the digital currency or token that facilitates transactions on the ethereum blockchain. In the crypto world, the terms ether and ethereum have become interchangeable.

The futures contracts launched on derivatives exchange CME earlier this month.

Elon Musk, the billionaire chief executive of Tesla, said on Saturday the price of bitcoin and ethereum seemed high.