The address starting with 0x57f deposited 9 million MATIC into CEX

According to Spot On Chain monitoring, 0x57f (linked to the Polygon Foundation) deposited 9 million MATIC (worth $7.75 million) into CEX 11 hours ago. Overall, in the past five days, two wallets associated with the Polygon Foundation have deposited a total of 15.5 million MATIC (worth $13.2 million) into CEX at an approximate price of $0.85 each. After each deposit, the price of MATIC has slightly decreased.