According to Foresight News, BitMEX co-founder Arthur Hayes wrote, "I have closed my BTC short position and made a profit of 3%, which is enough to pay for my meals and bar bills during the KBW event in South Korea. As U.S. Treasury Secretary Yellen pays attention to the market and releases a weekend statement, more U.S. dollar liquidity is expected to enter the market next week, and BTC may rise."