set example code default data feed (iex)

Author: camelpac

sample/strategy_multiple_datas.py

@@ -102,23 +102,27 @@ def next(self):
         data0 = DataFactory(dataname=SYMBOL1,
                             historical=False,
                             timeframe=bt.TimeFrame.Ticks,
-                            backfill_start=False)
+                            backfill_start=False,
+                            data_feed='iex')
         data1 = DataFactory(dataname=SYMBOL2,
                             historical=False,
                             timeframe=bt.TimeFrame.Ticks,
-                            backfill_start=False)
+                            backfill_start=False,
+                            data_feed='iex')
         # or just alpaca_backtrader_api.AlpacaBroker()
         broker = store.getbroker()
         cerebro.setbroker(broker)
     else:
         data0 = DataFactory(dataname=SYMBOL1,
                             historical=True,
-                            fromdate=datetime(
-                                2015, 1, 1), timeframe=bt.TimeFrame.Days)
+                            fromdate=datetime(2015, 1, 1),
+                            timeframe=bt.TimeFrame.Days,
+                            data_feed='iex')
         data1 = DataFactory(dataname=SYMBOL2,
                             historical=True,
-                            fromdate=datetime(
-                                2015, 1, 1), timeframe=bt.TimeFrame.Days)
+                            fromdate=datetime(2015, 1, 1),
+                            timeframe=bt.TimeFrame.Days,
+                            data_feed='iex')
     cerebro.adddata(data0)
     cerebro.adddata(data1)
 

sample/strategy_multiple_indicators.py

@@ -104,14 +104,16 @@ def next(self):
     DataFactory = store.getdata  # or use alpaca_backtrader_api.AlpacaData
     if IS_BACKTEST:
         data0 = DataFactory(dataname=symbol, historical=True,
-                            fromdate=datetime(
-                                2015, 1, 1), timeframe=bt.TimeFrame.Days)
+                            fromdate=datetime(2015, 1, 1),
+                            timeframe=bt.TimeFrame.Days,
+                            data_feed='iex')
 
     else:
         data0 = DataFactory(dataname=symbol,
                             historical=False,
                             timeframe=bt.TimeFrame.Ticks,
-                            backfill_start=False,)
+                            backfill_start=False,
+                            data_feed='iex')
         # or just alpaca_backtrader_api.AlpacaBroker()
         broker = store.getbroker()
         cerebro.setbroker(broker)

sample/strategy_readme_sample.py

@@ -39,12 +39,14 @@ def __init__(self):
     DataFactory = store.getdata  # or use alpaca_backtrader_api.AlpacaData
     if IS_BACKTEST:
         data0 = DataFactory(dataname=symbol, historical=True,
-                            fromdate=datetime(
-                                2015, 1, 1), timeframe=bt.TimeFrame.Days)
+                            fromdate=datetime(2015, 1, 1),
+                            timeframe=bt.TimeFrame.Days,
+                            data_feed='iex')
     else:
         data0 = DataFactory(dataname=symbol,
                             historical=False,
-                            timeframe=bt.TimeFrame.Days)
+                            timeframe=bt.TimeFrame.Days,
+                            data_feed='iex')
         # or just alpaca_backtrader_api.AlpacaBroker()
         broker = store.getbroker()
         cerebro.setbroker(broker)

sample/strategy_resampling_example.py

@@ -45,6 +45,7 @@ def next(self):
                         timeframe=bt.TimeFrame.Minutes,
                         qcheck=10.0,
                         backfill_start=False,
+                        data_feed='iex'
                         )
     broker = store.getbroker()
     cerebro.setbroker(broker)

sample/strategy_sma_crossover.py

@@ -96,12 +96,14 @@ def next(self):
                             historical=True,
                             fromdate=datetime(2020, 7, 1),
                             todate=datetime(2020, 7, 11),
-                            timeframe=bt.TimeFrame.Days)
+                            timeframe=bt.TimeFrame.Days,
+                            data_feed='iex')
     else:
         data0 = DataFactory(dataname=symbol,
                             historical=False,
                             timeframe=bt.TimeFrame.Ticks,
                             backfill_start=False,
+                            data_feed='iex'
                             )
         # or just alpaca_backtrader_api.AlpacaBroker()
         broker = store.getbroker()