diff --git a/backtesting/backtest_iron_condor.py b/backtesting/backtest_iron_condor.py
index 34e11f4..fe0d869 100644
--- a/backtesting/backtest_iron_condor.py
+++ b/backtesting/backtest_iron_condor.py
@@ -3,7 +3,7 @@ import os
 import pandas as pd
 
 from concurrent.futures import ProcessPoolExecutor
-from datetime import datetime
+from datetime import date, datetime, time
 from dotenv import load_dotenv
 from typing import List
 
@@ -278,12 +278,13 @@ def backtest_iron_condor(
         filters: List[BacktestFilter] = []
     ) -> pd.DataFrame:
 
-    start_year = start_date.year
-    end_year = end_date.year
+    # Setting dates to midnight to ensure all the data between them is included.
+    start_date = datetime.combine(start_date, time())
+    end_date = datetime.combine(end_date, time())
 
     futures = []
     with ProcessPoolExecutor(max_workers = 10) as executor:
-        for year in range(start_year, end_year + 1):
+        for year in range(start_date.year, end_date.year + 1):
             year_directory = os.path.join(OPTION_DATA_DIRECTORY, str(year))
             for file in os.listdir(year_directory):
                 historical_data_file = os.path.join(year_directory, file)
@@ -292,8 +293,6 @@ def backtest_iron_condor(
 
                 # Assuming file format 'YYYY-MM-DD.csv'.
                 current_date = datetime.strptime(os.path.splitext(file)[0], '%Y-%m-%d')
-
-                # TODO: This doesn't work as expected when the start date is not set to midnight.
                 if current_date < start_date or current_date > end_date:
                     continue