diff --git a/src/analytics/__pycache__/worker.cpython-313.pyc b/src/analytics/__pycache__/worker.cpython-313.pyc
index 9fc3e69..563a8ba 100644
Binary files a/src/analytics/__pycache__/worker.cpython-313.pyc and b/src/analytics/__pycache__/worker.cpython-313.pyc differ
diff --git a/src/analytics/worker.py b/src/analytics/worker.py
index d1688f5..d825d99 100644
--- a/src/analytics/worker.py
+++ b/src/analytics/worker.py
@@ -561,12 +561,38 @@ class AnalyticsWorker:
         """Verarbeitet alle Analytics für einen bestimmten Tag"""
         logger.info(f"Processing analytics for {date}")
         
-        # Custom Analytics (wichtigste Berechnung für Performance)
-        logger.info(f"Calculating custom analytics for {date}...")
-        custom_data = self.calculate_custom_analytics_daily(date)
-        if custom_data:
-            self.save_analytics_data('analytics_custom', custom_data)
-            logger.info(f"Saved {len(custom_data)} custom analytics rows for {date}")
+        # Prüfe ob es Trades für diesen Tag gibt
+        date_str = date.strftime('%Y-%m-%d')
+        check_query = f"select count(*) from trades where date_trunc('day', timestamp) = '{date_str}'"
+        check_data = self.query_questdb(check_query)
+        trade_count = 0
+        if check_data and check_data.get('dataset') and check_data['dataset'][0][0]:
+            trade_count = check_data['dataset'][0][0]
+        
+        if trade_count == 0:
+            logger.info(f"No trades found for {date}, creating empty analytics entry")
+            # Erstelle einen leeren Eintrag, damit der Tag als "verarbeitet" gilt
+            empty_entry = [{
+                'date': date,
+                'y_axis': 'volume',
+                'group_by': 'exchange',
+                'exchange_filter': 'all',
+                'x_value': datetime.datetime.combine(date, datetime.time.min).replace(tzinfo=datetime.timezone.utc),
+                'group_value': '',
+                'y_value': 0
+            }]
+            self.save_analytics_data('analytics_custom', empty_entry)
+            logger.info(f"Saved empty analytics entry for {date}")
+        else:
+            # Custom Analytics (wichtigste Berechnung für Performance)
+            logger.info(f"Calculating custom analytics for {date} ({trade_count} trades)...")
+            custom_data = self.calculate_custom_analytics_daily(date)
+            if custom_data:
+                self.save_analytics_data('analytics_custom', custom_data)
+                logger.info(f"Saved {len(custom_data)} custom analytics rows for {date}")
+            else:
+                # Auch wenn keine Daten zurückkommen, erstelle leeren Eintrag
+                logger.warning(f"No custom analytics data returned for {date} despite {trade_count} trades")
         
         logger.info(f"Completed processing for {date}")
     
@@ -621,9 +647,29 @@ class AnalyticsWorker:
             all_dates.append(current)
             current += datetime.timedelta(days=1)
         
+        # Debug: Prüfe das letzte Trade-Datum
+        query_last = "select max(date_trunc('day', timestamp)) as last_date from trades"
+        data_last = self.query_questdb(query_last)
+        last_trade_date = None
+        if data_last and data_last.get('dataset') and data_last['dataset'][0][0]:
+            last_date_value = data_last['dataset'][0][0]
+            if isinstance(last_date_value, str):
+                last_trade_date = datetime.datetime.fromisoformat(last_date_value.replace('Z', '+00:00')).date()
+            else:
+                last_trade_date = datetime.datetime.fromtimestamp(last_date_value / 1000000, tz=datetime.timezone.utc).date()
+        
         # Finde fehlende Tage
         missing_dates = [d for d in all_dates if d not in existing_dates]
-        logger.info(f"Found {len(missing_dates)} missing dates to calculate (from {len(all_dates)} total dates, first: {first_date}, last: {today})")
+        
+        logger.info(f"Date range: first trade={first_date}, last trade={last_trade_date}, today={today}")
+        logger.info(f"Existing dates in analytics_custom: {len(existing_dates)} dates")
+        if existing_dates:
+            existing_sorted = sorted(existing_dates)
+            logger.info(f"  First existing: {existing_sorted[0]}, Last existing: {existing_sorted[-1]}")
+        logger.info(f"Found {len(missing_dates)} missing dates to calculate (from {len(all_dates)} total dates)")
+        if missing_dates:
+            logger.info(f"  First missing: {missing_dates[0]}, Last missing: {missing_dates[-1]}")
+        
         return sorted(missing_dates)
     
     def process_missing_dates(self):