Export backtesting results by default

closes #4977

freqtrade/commands/cli_options.py

@@ -167,8 +167,9 @@ AVAILABLE_CLI_OPTIONS = {
     ),
     "export": Arg(
         '--export',
-        help='Export backtest results, argument are: trades. '
-        'Example: `--export=trades`',
+        help='Export backtest results (default: trades).',
+        choices=constants.EXPORT_OPTIONS,
+
     ),
     "exportfilename": Arg(
         '--export-filename',

freqtrade/constants.py

@@ -12,6 +12,7 @@ PROCESS_THROTTLE_SECS = 5  # sec
 HYPEROPT_EPOCH = 100  # epochs
 RETRY_TIMEOUT = 30  # sec
 TIMEOUT_UNITS = ['minutes', 'seconds']
+EXPORT_OPTIONS = ['none', 'trades']
 DEFAULT_DB_PROD_URL = 'sqlite:///tradesv3.sqlite'
 DEFAULT_DB_DRYRUN_URL = 'sqlite:///tradesv3.dryrun.sqlite'
 UNLIMITED_STAKE_AMOUNT = 'unlimited'
@@ -308,6 +309,7 @@ CONF_SCHEMA = {
             'required': ['enabled', 'listen_ip_address', 'listen_port', 'username', 'password']
         },
         'db_url': {'type': 'string'},
+        'export': {'type': 'string', 'enum': EXPORT_OPTIONS, 'default': 'trades'},
         'initial_state': {'type': 'string', 'enum': ['running', 'stopped']},
         'forcebuy_enable': {'type': 'boolean'},
         'disable_dataframe_checks': {'type': 'boolean'},

freqtrade/optimize/backtesting.py

@@ -520,7 +520,7 @@ class Backtesting:
             stats = generate_backtest_stats(data, self.all_results,
                                             min_date=min_date, max_date=max_date)
 
-            if self.config.get('export', False):
+            if self.config.get('export', 'none') == 'trades':
                 store_backtest_stats(self.config['exportfilename'], stats)
 
             # Show backtest results