A suspected whale or institutional buyer acquired 4.5 million LDO through over-the-counter deals worth about $1.86 million, according to on-chain analyst Ember. The purchases came after Lido launched its LDO buyback. Over the past day, the same address also received around 4.5 million LDO and 10,000 AAVE from Wintermute and FalconX, with the AAVE valued at about $1.15 million at current prices.