diff --git a/freqtrade/data/btanalysis.py b/freqtrade/data/btanalysis.py
index 6b4cb0ca3..9c0b1ec58 100644
--- a/freqtrade/data/btanalysis.py
+++ b/freqtrade/data/btanalysis.py
@@ -357,10 +357,10 @@ def analyze_trade_parallelism(results: pd.DataFrame, timeframe: str) -> pd.DataF
     :param timeframe: Timeframe used for backtest
     :return: dataframe with open-counts per time-period in timeframe
     """
-    from freqtrade.exchange import timeframe_to_minutes
-    timeframe_min = timeframe_to_minutes(timeframe)
+    from freqtrade.exchange import timeframe_as_resample_freq
+    timeframe_freq = timeframe_as_resample_freq(timeframe)
     dates = [pd.Series(pd.date_range(row[1]['open_date'], row[1]['close_date'],
-                                     freq=f"{timeframe_min}min"))
+                                     freq=timeframe_freq))
              for row in results[['open_date', 'close_date']].iterrows()]
     deltas = [len(x) for x in dates]
     dates = pd.Series(pd.concat(dates).values, name='date')
@@ -368,7 +368,7 @@ def analyze_trade_parallelism(results: pd.DataFrame, timeframe: str) -> pd.DataF
 
     df2 = pd.concat([dates, df2], axis=1)
     df2 = df2.set_index('date')
-    df_final = df2.resample(f"{timeframe_min}min")[['pair']].count()
+    df_final = df2.resample(timeframe_freq)[['pair']].count()
     df_final = df_final.rename({'pair': 'open_trades'}, axis=1)
     return df_final