[
"name",
"close",
"volume",
"premarket_volume",
"premarket_change",
"premarket_change_abs",
"market_cap_basic"
],
"filter" => [
["left" => "exchange", "operation" => "in_range", "right" => ["AMEX", "NASDAQ", "NYSE"]]
],
"options" => ["lang" => "en"],
"range" => [0, 50],
"sort" => ["sortBy" => "premarket_volume", "sortOrder" => "desc"]
]);
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $payload);
curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json']);
curl_setopt($ch, CURLOPT_TIMEOUT, 10);
$response = curl_exec($ch);
$error = curl_error($ch);
curl_close($ch);
if ($error) {
return ["error" => "CURL Error: " . $error];
}
$data = json_decode($response, true);
return $data;
}
// Fetch the data
$result = getPremarketActivity();
// Check if we have valid data
if (isset($result['error'])) {
$error = $result['error'];
$stocks = [];
} elseif (isset($result['data']) && is_array($result['data'])) {
$stocks = [];
foreach ($result['data'] as $item) {
$d = $item['d'];
$stocks[] = [
'ticker' => $d[0] ?? 'N/A',
'price' => $d[1] ?? 0,
'volume' => $d[2] ?? 0,
'premarket_volume' => $d[3] ?? 0,
'premarket_change' => $d[4] ?? 0,
'premarket_change_abs' => $d[5] ?? 0,
'market_cap' => $d[6] ?? 0
];
}
} else {
$stocks = [];
$error = "No data received from API";
}
// Handle sorting
$sortColumn = isset($_GET['sort']) ? $_GET['sort'] : 'premarket_volume';
$sortOrder = isset($_GET['order']) && $_GET['order'] === 'asc' ? 'asc' : 'desc';
// Map sort parameter to array key
$sortMap = [
'ticker' => 'ticker',
'price' => 'price',
'premarket_volume' => 'premarket_volume',
'premarket_change' => 'premarket_change',
'premarket_change_abs' => 'premarket_change_abs'
];
$sortKey = isset($sortMap[$sortColumn]) ? $sortMap[$sortColumn] : 'premarket_volume';
// Sort the array
usort($stocks, function($a, $b) use ($sortKey, $sortOrder) {
if ($a[$sortKey] == $b[$sortKey]) {
return 0;
}
$result = $a[$sortKey] < $b[$sortKey] ? -1 : 1;
return $sortOrder === 'asc' ? $result : -$result;
});
// Get next sort order for each column
function getNextOrder($column) {
$currentSort = isset($_GET['sort']) ? $_GET['sort'] : '';
$currentOrder = isset($_GET['order']) ? $_GET['order'] : 'desc';
if ($currentSort === $column) {
return $currentOrder === 'desc' ? 'asc' : 'desc';
}
return 'desc';
}
function getSortIcon($column) {
$currentSort = isset($_GET['sort']) ? $_GET['sort'] : '';
$currentOrder = isset($_GET['order']) ? $_GET['order'] : 'desc';
if ($currentSort === $column) {
return $currentOrder === 'desc' ? ' ▼' : ' ▲';
}
return '';
}
// Helper to format change
function formatChange($value) {
$symbol = $value >= 0 ? '+' : '';
return $symbol . number_format($value, 2) . '%';
}
?>
Premarket Activity Dashboard
⚡ PREMARKET ACTIVITY
MOST ACTIVE STOCKS • CLICK HEADERS TO SORT
⚠️ Warning:
❌ Error:
📊 Total Stocks
🟢 Gainers
0; })); ?>
🔴 Losers
📈 Top Gain
📉 Top Loss