In fact, many market makers' robots nowadays are quite low, basically finding an anchor (usually BTC) first, then performing a series of conversions to obtain the price of the local currency, and then using the robot to brush the K-line. This is also why a famous genius once in a hundred years trader named Mo Xi couldn't think of his sister, why many junk currencies are moving similarly to BTC; Back then, Lao Pu's robots were made up of six members, and they definitely followed their own independent market trends without being targeted. After all, I used to quote prices in a trading room, which was a human robot. Nowadays, most of the people who work on robots are programmers, and they haven't made any transactions themselves