', pointFormat: '{point.y} руб.' }, series: [{ name: 'Курс покупки', data: [ 2.47, 2.58, 2.56, 2.57, 2.57, 2.55, 2.47, ] }, { name: 'Курс продажи', data: [ 3.08, 2.72, 2.68, 2.70, 2.72, 2.66, 3.04, ] }] })