OHLC / Stock Charts are used to illustrate movements in the price of a financial instrument over time. Given example shows stock price in PHP OHLC Chart. It also includes source code that you can try running locally.
<?php
$dataPoints = array(
array("x" => 1483209000000, "y" => array( 104.4, 111.89, 99.11, 109.18)),
array("x" => 1485887400000, "y" => array( 110.58, 120.92, 95.7, 101.48)),
array("x" => 1488306600000, "y" => array( 103.79, 110, 95.17, 108.93)),
array("x" => 1490985000000, "y" => array( 104.74, 147, 102.31, 144.35)),
array("x" => 1493577000000, "y" => array( 144.99, 168.5, 142.11, 144.56)),
array("x" => 1496255400000, "y" => array( 145.05, 169.93, 138.58, 162.51)),
array("x" => 1498847400000, "y" => array( 162.13, 174.56, 152.91, 169.44)),
array("x" => 1501525800000, "y" => array( 169.95, 191.2, 162.71, 178.77)),
array("x" => 1504204200000, "y" => array( 180.8, 207.89, 177, 206.81)),
array("x" => 1506796200000, "y" => array( 209.35, 218.67, 191.23, 200.71)),
array("x" => 1509474600000, "y" => array( 207.2, 218.67, 200.37, 216.14)),
array("x" => 1512066600000, "y" => array( 199.31, 200.3, 180.58, 193.5))
)
?>
<!DOCTYPE HTML>
<html>
<head>
<script>
window.onload = function() {
var chart = new CanvasJS.Chart("chartContainer", {
theme: "light2",
title: {
text: "NVIDIA Corporation Stock Price - 2017"
},
axisX: {
valueFormatString: "MMM",
intervalType: "month",
interval: 1
},
axisY: {
title: "Stock Price (in USD)",
prefix: "$"
},
data: [{
type: "ohlc",
xValueType: "dateTime",
yValueFormatString: "$#,##0.0",
xValueFormatString: "MMM",
dataPoints: <?php echo json_encode($dataPoints, JSON_NUMERIC_CHECK); ?>
}]
});
chart.render();
}
</script>
</head>
<body>
<div id="chartContainer" style="height: 370px; width: 100%;"></div>
<script src="https://cdn.canvasjs.com/canvasjs.min.js"></script>
</body>
</html>
color property can be used change the color of data-points. Some other commonly used customization options are , indexLabel, showInLegend, etc.