Fatal error: Uncaught ValueError: max(): Argument #1 ($value) must contain at least one element in /var/www/liquidata/show_ETF_technical_analysis_2.php:222
Stack trace:
#0 /var/www/liquidata/show_ETF_technical_analysis_2.php(222): max()
#1 {main}
thrown in /var/www/liquidata/show_ETF_technical_analysis_2.php on line 222