diff --git a/rstat_tool/database.py b/rstat_tool/database.py
index 07eb85e..60f5c0e 100644
--- a/rstat_tool/database.py
+++ b/rstat_tool/database.py
@@ -310,7 +310,7 @@ def get_deep_dive_details(ticker_symbol):
         JOIN mentions m ON p.post_id = m.post_id
         JOIN tickers t ON m.ticker_id = t.id
         JOIN subreddits s ON p.subreddit_id = s.id
-        WHERE t.symbol = ?
+        WHERE LOWER(t.symbol) = LOWER(?)
         ORDER BY p.post_timestamp DESC;
     """
     results = conn.execute(query, (ticker_symbol,)).fetchall()
@@ -346,7 +346,7 @@ def get_subreddit_summary(subreddit_name, limit=50):
         FROM mentions m
         JOIN tickers t ON m.ticker_id = t.id
         JOIN subreddits s ON m.subreddit_id = s.id
-        WHERE s.name = ?
+        WHERE LOWER(s.name) = LOWER(?)
         GROUP BY t.symbol, t.market_cap, t.closing_price
         ORDER BY mention_count DESC LIMIT ?;
     """
@@ -366,7 +366,7 @@ def get_image_view_summary(subreddit_name):
         FROM mentions m
         JOIN tickers t ON m.ticker_id = t.id
         JOIN subreddits s ON m.subreddit_id = s.id
-        WHERE s.name = ?
+        WHERE LOWER(s.name) = LOWER(?)
         GROUP BY t.symbol
         ORDER BY (post_mentions + comment_mentions) DESC
         LIMIT 10;
@@ -389,7 +389,7 @@ def get_weekly_summary_for_subreddit(subreddit_name):
         FROM mentions m
         JOIN tickers t ON m.ticker_id = t.id
         JOIN subreddits s ON m.subreddit_id = s.id
-        WHERE s.name = ? AND m.mention_timestamp >= ?
+        WHERE LOWER(s.name) = LOWER(?) AND m.mention_timestamp >= ?
         GROUP BY t.symbol
         ORDER BY (post_mentions + comment_mentions) DESC
         LIMIT 10;
diff --git a/rstat_tool/main.py b/rstat_tool/main.py
index 58ac89f..8c21e7c 100644
--- a/rstat_tool/main.py
+++ b/rstat_tool/main.py
@@ -55,9 +55,12 @@ def scan_subreddits(reddit, subreddits_list, post_limit=100, comment_limit=100,
     print(f"\nScanning {len(subreddits_list)} subreddit(s) for NEW posts in the last {days_to_scan} day(s)...")
     for subreddit_name in subreddits_list:
         try:
-            subreddit_id = database.get_or_create_entity(conn, 'subreddits', 'name', subreddit_name)
-            subreddit = reddit.subreddit(subreddit_name)
-            print(f"Scanning r/{subreddit_name}...")
+            # Always use the lowercase version of the name for consistency.
+            normalized_sub_name = subreddit_name.lower()
+            
+            subreddit_id = database.get_or_create_entity(conn, 'subreddits', 'name', normalized_sub_name)
+            subreddit = reddit.subreddit(normalized_sub_name)
+            print(f"Scanning r/{normalized_sub_name}...")
             
             for submission in subreddit.new(limit=post_limit):
                 if (current_time - submission.created_utc) > post_age_limit: