Realized PnL: The Margin Level is the percentage (%) value based on the amount of Equity vs. the Used Margin, this allows you to know how much of your funds are available for new trades. The higher the Margin Level, the more Free Margin you have available to trade.
Daily PnL: This is the realised or how much profit you have made today after all the spread and commissions have been taken, this is your pure profit, if you leave the cBot running it will reset on the next day.
This was taken from the user guide here.
The Daily PnL you have is a negative value.
