This AFL find today's Open price equal to High or equal to Low and give buy signal if price cross first candle High and sell if price cross first candle Low. There is no Timframe set, so if you scan with 5 minute periodicity it gives scan result of first 5 minute candle High or Low break and if you scan with 15 minute it give scan result of first 5 minute candle High or Low break. You can plot this AFL as chart and You can explore all stocks which are O=H or O=L and Scan for first candle breakout. In Explore the column Intraday Change % gives the change price from current day Open price.