To limit your losses, you may optionally add a stop.
To lock in your gains, you may optionally add a take profit.
Mushino lets you chart your profit/loss over time.
Note: We can't guarantee that you will be profitable. That's up to your skills as a trader!
Once you want to realize your profits, simply hit the Close button in the trading interface. You may optionally select a price to close the position at (if not selected, it will be closed at the best available price).