diff --git a/transactions.py b/transactions.py
index bae8e99..11c4726 100644
--- a/transactions.py
+++ b/transactions.py
@@ -1,16 +1,22 @@
 #!/usr/bin/env python3
 
 from pathlib import Path
-from datetime import date, timedelta
+from datetime import date, timedelta, datetime
 from fints.client import FinTS3PinTanClient
 import csv
 import json
+from urllib.request import urlopen
 
+# --------------------------------------------------
 # Konfiguration laden
+# --------------------------------------------------
+
 config = {}
 
+# Zuerst Home-Verzeichnis prüfen
 config_file = Path.home() / ".ing.conf"
 
+# Falls nicht vorhanden, Datei neben dem Skript verwenden
 if not config_file.exists():
     config_file = Path(__file__).parent / ".ing.conf"
 
@@ -27,23 +33,44 @@ with open(config_file, encoding="utf-8") as f:
         key, value = line.split("=", 1)
         config[key] = value
 
+# --------------------------------------------------
+# ING-Konfiguration
+# --------------------------------------------------
+
 USER = config["ING_USER"]
 PIN = config["ING_PIN"]
 TARGET_IBAN = config["ING_IBAN"]
+IOBROKER_HOST = config["IOBROKER_HOST"]
+IOBROKER_PORT = config["IOBROKER_PORT"]
+IOBROKER_DP_TRANSACTIONS = config["IOBROKER_DP_TRANSACTIONS"]
 
 BLZ = "50010517"
 
+# --------------------------------------------------
 # Exportverzeichnis bestimmen
-export_dir = Path.home() / "logs"
+# --------------------------------------------------
 
-if not export_dir.exists():
-    export_dir = Path(__file__).parent / "logs"
+base_dir = Path.home() / "Transaktionen"
 
-# Verzeichnis bei Bedarf anlegen
-export_dir.mkdir(parents=True, exist_ok=True)
+if not base_dir.exists():
+    base_dir = Path(__file__).parent / "Transaktionen"
 
-CSV_FILE = export_dir / "transactions.csv"
-JSON_FILE = export_dir / "transactions.json"
+# Kalenderwoche bestimmen
+year, week, _ = datetime.now().isocalendar()
+
+year_dir = base_dir / str(year)
+csv_dir = year_dir / "csv"
+json_dir = year_dir / "json"
+
+# Verzeichnisse anlegen
+csv_dir.mkdir(parents=True, exist_ok=True)
+json_dir.mkdir(parents=True, exist_ok=True)
+
+CSV_FILE = csv_dir / f"transactions_{year}_KW{week:02d}.csv"
+JSON_FILE = json_dir / f"transactions_{year}_KW{week:02d}.json"
+# --------------------------------------------------
+# ING-Verbindung
+# --------------------------------------------------
 
 client = FinTS3PinTanClient(
     BLZ,
@@ -55,12 +82,20 @@ client = FinTS3PinTanClient(
 
 export_data = []
 
+# --------------------------------------------------
+# Transaktionen abrufen
+# --------------------------------------------------
+
 with client:
+    account_found = False
+
     for account in client.get_sepa_accounts():
 
         if account.iban != TARGET_IBAN:
             continue
 
+        account_found = True
+
         transactions = client.get_transactions(
             account,
             start_date=date.today() - timedelta(days=7),
@@ -83,8 +118,17 @@ with client:
 
         break
 
+    if not account_found:
+        raise RuntimeError(
+            f"IBAN nicht gefunden: {TARGET_IBAN}"
+        )
+
+# --------------------------------------------------
 # CSV schreiben
+# --------------------------------------------------
+
 with open(CSV_FILE, "w", newline="", encoding="utf-8") as csvfile:
+
     writer = csv.DictWriter(
         csvfile,
         fieldnames=[
@@ -100,11 +144,68 @@ with open(CSV_FILE, "w", newline="", encoding="utf-8") as csvfile:
     writer.writeheader()
     writer.writerows(export_data)
 
+# --------------------------------------------------
 # JSON schreiben
+# --------------------------------------------------
+
 with open(JSON_FILE, "w", encoding="utf-8") as jsonfile:
+
     json.dump(
         export_data,
         jsonfile,
         ensure_ascii=False,
         indent=2
-    )
\ No newline at end of file
+    )
+
+
+# --------------------------------------------------
+# Statistiken berechnen
+# --------------------------------------------------
+
+transaction_count = len(export_data)
+
+week_sum = 0.0
+week_expenses = 0.0
+
+for transaction in transactions:
+    amount = float(transaction.data["amount"].amount)
+
+    week_sum += amount
+
+    if amount < 0:
+        week_expenses += abs(amount)
+
+# --------------------------------------------------
+# An ioBroker senden
+# --------------------------------------------------
+
+base_url = f"http://{IOBROKER_HOST}:{IOBROKER_PORT}/set"
+
+urlopen(
+    f"{base_url}/javascript.0.Variablen.Konto_Transaktionen"
+    f"?value={transaction_count}"
+).read()
+
+urlopen(
+    f"{base_url}/javascript.0.Variablen.Konto_Wochensumme"
+    f"?value={round(week_sum, 2)}"
+).read()
+
+urlopen(
+    f"{base_url}/javascript.0.Variablen.Konto_Wochenausgaben"
+    f"?value={round(week_expenses, 2)}"
+).read()
+
+# --------------------------------------------------
+# Erfolgsmeldung
+# --------------------------------------------------
+
+transaction_count = len(export_data)
+
+url = (
+    f"http://{IOBROKER_HOST}:{IOBROKER_PORT}"
+    f"/set/{IOBROKER_DP_TRANSACTIONS}"
+    f"?value={transaction_count}"
+)
+
+urlopen(url).read()
\ No newline at end of file