ChainCatcher message, according to on-chain analyst Yu Jin, based on the quantity and price of ETH purchased announced by Bitmine and SharpLink since they started reserving ETH, the buying costs for the two Ethereum buyers are as follows:

BitMine (BMNR) started buying ETH on 7/9, and as of 8/17, the amount of ETH held is 1,523,373 coins, with an average cost of $3,730;

SharpLink (SBET) started buying ETH on 6/13, and as of 8/17, the amount of ETH held is 740,760 coins, with an average cost of $3,478.