diff --git a/freqtrade/configuration/arguments.py b/freqtrade/configuration/arguments.py
index d26d64c40..ff28a6406 100644
--- a/freqtrade/configuration/arguments.py
+++ b/freqtrade/configuration/arguments.py
@@ -99,12 +99,19 @@ class Arguments:
         # Build main command
         self.parser = argparse.ArgumentParser(description='Free, open source crypto trading bot',
                                               parents=[_common_parser])
-        self._build_args(optionlist=ARGS_MAIN, parser=self.parser)
 
         from freqtrade.optimize import start_backtesting, start_hyperopt, start_edge
-        from freqtrade.utils import start_create_userdir, start_download_data, start_list_exchanges
+        from freqtrade.utils import (start_create_userdir, start_download_data,
+                                     start_list_exchanges, start_trading)
+        from freqtrade.plot.plot_utils import start_plot_dataframe, start_plot_profit
 
-        subparsers = self.parser.add_subparsers(dest='subparser')
+        subparsers = self.parser.add_subparsers(dest='subparser', required=True)
+
+        # Add trade subcommand
+        trade_cmd = subparsers.add_parser('trade', help='Trade module.',
+                                          parents=[_common_parser])
+        trade_cmd.set_defaults(func=start_trading)
+        self._build_args(optionlist=ARGS_MAIN, parser=trade_cmd)
 
         # Add backtesting subcommand
         backtesting_cmd = subparsers.add_parser('backtesting', help='Backtesting module.',
@@ -149,7 +156,6 @@ class Arguments:
         self._build_args(optionlist=ARGS_DOWNLOAD_DATA, parser=download_data_cmd)
 
         # Add Plotting subcommand
-        from freqtrade.plot.plot_utils import start_plot_dataframe, start_plot_profit
         plot_dataframe_cmd = subparsers.add_parser('plot-dataframe',
                                                    help='Plot candles with indicators.',
                                                    parents=[_common_parser],
diff --git a/freqtrade/utils.py b/freqtrade/utils.py
index 6ce5e888c..8e57606da 100644
--- a/freqtrade/utils.py
+++ b/freqtrade/utils.py
@@ -33,6 +33,17 @@ def setup_utils_configuration(args: Dict[str, Any], method: RunMode) -> Dict[str
     return config
 
 
+def start_trading(args: Dict[str, Any]) -> int:
+    """
+    Main entry point for trading mode
+    """
+    from freqtrade.worker import Worker
+    # Load and run worker
+    worker = Worker(args)
+    worker.run()
+    return 0
+
+
 def start_list_exchanges(args: Dict[str, Any]) -> None:
     """
     Print available exchanges
@@ -47,7 +58,7 @@ def start_list_exchanges(args: Dict[str, Any]) -> None:
               f"{', '.join(available_exchanges())}")
 
 
-def start_create_userdir(args: Dict[str, Any]) -> None:
+def start_create_userdir(args: Dict[str, Any]) -> int:
     """
     Create "user_data" directory to contain user data strategies, hyperopts, ...)
     :param args: Cli args from Arguments()
@@ -57,7 +68,7 @@ def start_create_userdir(args: Dict[str, Any]) -> None:
         create_userdata_dir(args["user_data_dir"], create_dir=True)
     else:
         logger.warning("`create-userdir` requires --userdir to be set.")
-        sys.exit(1)
+        return 1
 
 
 def start_download_data(args: Dict[str, Any]) -> None: