ChainCatcher news, according to Bloomberg, Bitcoin investors in the Asian market are facing significant volatility, possibly due to automated trading protocols reacting to the fund flow data of U.S. ETFs holding cryptocurrencies.It is reported that the demand levels for these Bitcoin spot ETFs are disseminated throughout the cryptocurrency market during the Asian session after the U.S. stock market closes. On Tuesday, as fund flow data indicated that investors were pulling out, digital assets experienced their largest drop in a month."From an algorithmic trading perspective, robots can automatically crawl and trade based on this data," said Shiliang Tang, president of Arbelos Markets. "It seems that this is what is happening."