4 183,372 142,396 426,277 351,954 691,997 677,722 51,042 65,317 较4月30日当周总持仓量变化(20,188) 31,224 -71,071 11,468 -21,528 72,825 21,164 13,222 -976 6,966 各类交易商头寸占总持仓百分比(%)