$output .= 'account balance: ' . number_format($acctUSD, 2) . ' ' . $newline;
$output .= 'margin: ' . number_format($marginUSD, 4) . ' | ';
$output .= 'tradeable btc: ' . $tradable['btc'] . ' | tradeable ltc: ' . $tradable['ltc'] . $newline . $newline;
$output .= 'current prices: | btc: ' . number_format($btcPrice, 4) . ' | ltc: ' . number_format($ltcPrice, 4) . $newline . $newline;
//get api_trade_data
$queryT = 'SELECT * FROM ' . $context['tradeDataTable'] . ' WHERE currency = "' . $currency . '"
    AND exchange = "bitfinex"';
$resT = $db->query($queryT);
foreach ($resT as $t) {
    $last_updated = $t['last_updated'];
    $trade_signal = $t['trade_signal'];
}
$candleData->get_candles($price_field);
//get all candle data from db
//get ema data
$ema10 = $candleData->get_ema(10);
$ema21 = $candleData->get_ema(21);
if ($ema10 > $ema21) {
    $crossOver = 1;
    $crossUnder = 0;
    $emaTrend = 'Cross Over';
} else {
    $crossOver = 0;
    $crossUnder = 1;
    $emaTrend = 'Cross Under';
}
//get ATH & ATL for stop loss calculations
$recordedATH = $candleData->get_recorded_ATH();
//ATH = all time high
$recordedATL = $candleData->get_recorded_ATL();
//ATL = all time low