Odaily Planet Daily News According to BitMart's market report on May 21, the total market value of the cryptocurrency market is 3.39 trillion US dollars, up 0.76% from the previous day; BTC's intraday volatility has eased, and it once fell to 102,000 US dollars during the session, and then rebounded to stand above the 106,000 US dollar mark again. High-level volatility may be the main trend of Bitcoin in the near future; yesterday, BTC ETF had a net inflow of 361 million US dollars; ETH followed the market ups and downs, once fell below 2,400 US dollars during the session, and then rebounded to break through the 2,500 US dollar mark; yesterday's ETH ETF inflow and outflow data were almost negligible. In terms of market sentiment, the fear and greed index is 69, continuing to be in the "greed" range; the comprehensive long-short ratio is 1.18, and bullish sentiment dominates; altcoins have mixed gains and losses, and the altcoin seasonal index has further fallen to 23; investors are advised to pay close attention to subsequent capital flows and sentiment changes.