', pointFormat: '{point.y} руб.' }, series: [{ name: 'Курс покупки', data: [ 12.95, 12.80, 12.90, 12.95, 13.20, 13.20, 13.20, ] }, { name: 'Курс продажи', data: [ 12.40, 12.30, 12.40, 12.45, 12.55, 12.55, 12.55, ] }] })