A whale/institution that has held 10,606 BTC for 7 years and made a profit of $1.12 billion has sold 2,070 BTC ($235 million) in the last 24 hours.
Part of the funds from selling BTC was used to buy 30,367 ETH ($131 million) in spot; another part was used to open a long position of 78,000 ETH (position value $336 million) through contracts.
They currently still hold 8,437 BTC ($960 million) and are expected to continue swapping into ETH.