Ethereum whale 0xa523 has incurred significant losses exceeding $30 million in the past week due to a series of poorly timed trades. The investor recently closed a long position of 41,931 ETH, valued at $179.4 million, resulting in a $10 million loss. Despite this setback, the whale continues to hold a long position of 36,578 ETH, worth approximately $160 million, as losses mount.