<div id="stock-chart"></div>
<script>
$("#stock-chart").kendoStockChart({
    seriesDefaults: {
        legendItem: {
            markers: {
                background: "#ff0000"
            }
        }
    },
    series: [{
        type: "line",
        data: [
            { date: new Date(2023, 0, 1), value: 10 },
            { date: new Date(2023, 0, 2), value: 20 },
            { date: new Date(2023, 0, 3), value: 15 }
        ],
    }]
});
</script>