', pointFormat: '{point.y} руб.' }, series: [{ name: 'Курс покупки', data: [ 2.57, 2.53, 2.45, 2.57, 2.47, 2.67, 2.47, ] }, { name: 'Курс продажи', data: [ 2.68, 2.73, 3.13, 2.72, 3.11, 2.78, 3.11, ] }] })