A certain whale sold and then bought back ETH, losing 105 ETH worth about $260,000

Foresight News reports that according to Ember monitoring, a certain whale sold 3,158 ETH for $2,378 four days ago, exchanging it for 7.51 million DAI, and then three hours ago today, bought back 3,053 ETH for $2,460 using that 7.51 million DAI. Through this sell and buy operation, the address lost 105 ETH (worth about $260,000). The ETH at this address originated from an exchange made at the beginning of the year, where 220.1 BTC was exchanged for ETH.