a:CALLSTOCK(\'SH601318\',vtclose,-1,0) + CALLSTOCK(\'SH601166\',vtclose,-1,0) + CALLSTOCK(\' SH600036\',vtclose,-1,0) + CALLSTOCK(\'SH600016\',vtclose,-1,0) + CALLSTOCK(\' SH600030\',vtclose,-1,0) + CALLSTOCK(\'SH601328\',vtclose,-1,0) + CALLSTOCK(\' SH600837\',vtclose,-1,0) + CALLSTOCK(\'SH600519\',vtclose,-1,0) + CALLSTOCK(\' SH600048\',vtclose,-1,0) + CALLSTOCK(\'SH601398\',vtclose,-1,0) + CALLSTOCK(\' SZ000651\',vtclose,-1,0) + CALLSTOCK(\'SH601288\',vtclose,-1,0) + CALLSTOCK(\' SZ000001\',vtclose,-1,0) + CALLSTOCK(\'SH600104\',vtclose,-1,0) + CALLSTOCK(\' SH601601\',vtclose,-1,0) + CALLSTOCK(\'SH601668\',vtclose,-1,0),NOAXIS;