Highcharts.stockChart('container', {
    title: {
        text: 'yAxis: {tickInterval: 0.01},'
    },
    yAxis: {
        tickInterval: 0.01
    },
    rangeSelector: {
        selected: 1
    },
    series: [{
        name: 'USD to EUR',
        data: usdeur
    }]
});