diff --git a/freqtrade/data/dataprovider.py b/freqtrade/data/dataprovider.py
index 63f95ad0a..12b02f744 100644
--- a/freqtrade/data/dataprovider.py
+++ b/freqtrade/data/dataprovider.py
@@ -134,7 +134,7 @@ class DataProvider:
             combination.
             Returns empty dataframe and Epoch 0 (1970-01-01) if no dataframe was cached.
         """
-        pair_key = (pair, timeframe, CandleType.SPOT_)
+        pair_key = (pair, timeframe, CandleType.SPOT)
         if pair_key in self.__cached_pairs:
             if self.runmode in (RunMode.DRY_RUN, RunMode.LIVE):
                 df, date = self.__cached_pairs[pair_key]
diff --git a/freqtrade/data/history/idatahandler.py b/freqtrade/data/history/idatahandler.py
index a65bdd65e..0055d378a 100644
--- a/freqtrade/data/history/idatahandler.py
+++ b/freqtrade/data/history/idatahandler.py
@@ -87,8 +87,7 @@ class IDataHandler(ABC):
         :return: DataFrame with ohlcv data, or empty DataFrame
         """
 
-    def ohlcv_purge(
-            self, pair: str, timeframe: str, candle_type: CandleType = CandleType.SPOT_) -> bool:
+    def ohlcv_purge(self, pair: str, timeframe: str, candle_type: CandleType) -> bool:
         """
         Remove data for this pair
         :param pair: Delete data for this pair.
@@ -218,12 +217,12 @@ class IDataHandler(ABC):
         return res
 
     def ohlcv_load(self, pair, timeframe: str,
+                   candle_type: CandleType,
                    timerange: Optional[TimeRange] = None,
                    fill_missing: bool = True,
                    drop_incomplete: bool = True,
                    startup_candles: int = 0,
                    warn_no_data: bool = True,
-                   candle_type: CandleType = CandleType.SPOT_
                    ) -> DataFrame:
         """
         Load cached candle (OHLCV) data for the given pair.
diff --git a/freqtrade/enums/candletype.py b/freqtrade/enums/candletype.py
index ade0f68d1..9fa3ea4c3 100644
--- a/freqtrade/enums/candletype.py
+++ b/freqtrade/enums/candletype.py
@@ -12,9 +12,16 @@ class CandleType(str, Enum):
     # TODO-lev: not sure this belongs here, as the datatype is really different
     FUNDING_RATE = "funding_rate"
 
-    @classmethod
-    def from_string(cls, value: str) -> 'CandleType':
+    @staticmethod
+    def from_string(value: str) -> 'CandleType':
         if not value:
             # Default to spot
             return CandleType.SPOT_
         return CandleType(value)
+
+    @staticmethod
+    def get_default(trading_mode: str) -> 'CandleType':
+        if trading_mode == 'futures':
+            return CandleType.FUTURES
+        # TODO-lev: The below should be SPOT, not SPOT_
+        return CandleType.SPOT_