A prominent contract whale known as 'Set 10 Big Goals' has closed significant long positions, securing over $12.8 million in profits. The trader, identified by the handle @Jason60704294, announced on social media the decision to lock in gains despite potential further market upswings. The whale earned $12.12 million from a 4x leveraged long position on Bitcoin and $728,000 from a 2x leveraged long position on Ethereum, according to a shared position chart.