Screener results data is delayed 15 minutes. If you need real-time data, please use the scanner.
You can change your candle aggregation period by clicking the drop-down in the upper right corner of the tool.
Each filter field has a "Quick add" shortcut when you mouse over it. Click the + icon on the right-hand side of the filter field.
You can pick and choose what columns you want to see by clicking the blue columns button on the right-hand side in between the filters list and the results list.