Citing Whale Alert, three whale transfers were initiated about 3 hours before the announcement of OKEx's suspension of withdrawals. After the announcement, a large Bitcoin transaction transferred to a Huobi address appeared. In detail, 50,000,000 TRX ($1,317,074 USD) were transferred from OKEx to an unknown address starting with TN4ecG at 00:24:54 UTC on October 16. At 02:02:24 UTC on the same day, 13,873,180 USDT ($13,952,425 USD) were sent to OKEx from an unknown address starting with 0xb45d. Later, 21,000 ETH ($7,959,837 USD) were transferred from an unknown address starting with 0x6d8c to OKEx at 02:32:00 UTC. At around 07:50 UTC today, October 16, multiple Huobi addresses sent a total of 997 BTC to OKEx.