diff --git a/freqtrade/freqtradebot.py b/freqtrade/freqtradebot.py
index 3527fba81..08eda2843 100644
--- a/freqtrade/freqtradebot.py
+++ b/freqtrade/freqtradebot.py
@@ -327,13 +327,18 @@ class FreqtradeBot(object):
 
         if not whitelist:
             raise DependencyException('No currency pairs in whitelist')
+        th = {}
+        for _pair in whitelist:
+            th[_pair] = self.exchange.get_ticker_history(_pair, interval)
 
         # Pick pair based on buy signals
+        bought_at_least_one = False
         for _pair in whitelist:
-            (buy, sell) = self.strategy.get_signal(self.exchange, _pair, interval)
+            (buy, sell) = self.strategy.get_signal(_pair, interval, th[_pair])
+
             if buy and not sell:
-                return self.execute_buy(_pair, stake_amount)
-        return False
+                bought_at_least_one |= self.execute_buy(_pair, stake_amount)
+        return bought_at_least_one
 
     def execute_buy(self, pair: str, stake_amount: float) -> bool:
         """
diff --git a/freqtrade/strategy/interface.py b/freqtrade/strategy/interface.py
index 9120d3e04..23b0563a2 100644
--- a/freqtrade/strategy/interface.py
+++ b/freqtrade/strategy/interface.py
@@ -107,14 +107,13 @@ class IStrategy(ABC):
         dataframe = self.populate_sell_trend(dataframe)
         return dataframe
 
-    def get_signal(self, exchange: Exchange, pair: str, interval: str) -> Tuple[bool, bool]:
+    def get_signal(self, pair: str, interval: str, ticker_hist: List[Dict]) -> Tuple[bool, bool]:
         """
         Calculates current signal based several technical analysis indicators
         :param pair: pair in format ANT/BTC
         :param interval: Interval to use (in min)
         :return: (Buy, Sell) A bool-tuple indicating buy/sell signal
         """
-        ticker_hist = exchange.get_ticker_history(pair, interval)
         if not ticker_hist:
             logger.warning('Empty ticker history for pair %s', pair)
             return False, False