铝持仓分布	增减
CASH /21MAR		75317	-3393
22MAR/18APR		99791	-1067
19APR/16MAY		124359	354
17MAY/3 MTH		41802	617
REST OF MAY		2524	930
01JUL/63MTH		382531	1247
TOTAL		726324	-1312