,209 72,732 120,212 278,587 276,621 469,008 469,566 32,739 32,182 较3月7日当周总持仓量变化(22,739) -7,286 14,290 4,410 24,485 1,323 21,609 20,022 1,130 2,717 各类交易商头寸占总持仓百分比(%)