(单位:美元/盎司)合约开盘价最高价最低价收盘价涨跌成交量持仓量3月 /2011(SLNH)34.83535.15534.80535.060.8528935月 /2011(SLNK)34.2835.42534.2435.0580.851385770207月 /2011(SLNN)34.2835.434.2835.0720.8083204138749月 /2011(SLNU)34.60535.4134.60535.0810.813617683712月 /2011(SLNZ)34.835.4334.7935.0840.8191940152231月 /2012(SLNF)35.07335.07335.07335.0730.828-68