621 90,210 120,760 294,066 281,532 492,447 492,502 31,729 31,674 较5月2日当周总持仓量变化(15,516) 4,382 -8,462 9,802 1,819 15,936 16,004 17,277 -487 -1,760 各类交易商头寸占总持仓百分比(%)