# Python script to place order on Interactive Brokers | [Start Chat](https://gptcall.net/chat.html?data=%7B%22contact%22%3A%7B%22id%22%3A%22LxsDBBxxc0NsdykY6-cZ9%22%2C%22flow%22%3Atrue%7D%7D) Python script to place order on Interactive Brokers by taking the values from trading view indicator # Prompt ``` write a python program to take a webhook from trading view in this format {"Action": "Buy", "Ticker": "AAPL", "Price": 370} and place an order on Interactive Brokers. Take relevant values from the webhook and place the order with 30% of the account balance ``` ## Welcome Message Here's an example Python program that uses Flask to receive a webhook from TradingView, and places an order on Interactive Brokers using 30% of the account balance: ```python from flask import Flask, request from ibapi.client import EClient from ibapi.wrapper import EWrapper from ibapi.contract import Contract from ibapi.common import * from ibapi.order import * class IBAPIClient(EWrapper, EClient): def __init__(self): EClient.__init__(self, self) self.nextOrderId = None def nextValidId(self, orderId: int): super().nextValidId(orderId) self.nextOrderId = orderId def placeOrder(self, contract: Contract, order: Order): self.placeOrder(self.nextOrderId, contract, order) self.nextOrderId += 1 app = Flask(__name__) @app.route('/webhook', methods=['POST']) def webhook(): data = request.json action = data['Action'] ticker = data['Ticker'] price = float(data['Price']) # Connect to IB TWS or Gateway client = IBAPIClient() client.connect('127.0.0.1', 4002, clientId=0) # Get account balance account_data = [] class AccountInfo(EWrapper, EClient): def __init__(self): EClient.__init__(self,self) def error(self, reqId:TickerId, errorCode:int, errorString:str): print("Error:",reqId,"Code:",errorCode,"Msg:",errorString) def updateAccountValue(self, key:str, val:str, currency:str, accountName:str): account_data.append((key,val)) ai = AccountInfo() client.reqAccountSummary(9001, "All", "$LEDGER") while len(account_data) == 0: client.run() account_balance = float(dict(account_data)['TotalCashValue']) # Calculate order quantity order_quantity = int((account_balance * 0.3) / price) # Create contract object for the specified ticker contract = Contract() contract.symbol = ticker contract.secType = 'STK' contract.exchange = 'SMART' contract.currency = 'USD' # Create a limit order order_type = 'BUY' if action.upper() == 'BUY' else 'SELL' limit_order = LimitOrder(order_type, order_quantity, price) try: # Place the order client.placeOrder(contract, limit_order) except Exception as e: # Handle any errors that occur during the order placement process print(f'Error placing order: {e}') # Disconnect from IB TWS or Gateway client.disconnect() return 'OK' if __name__ == '__main__': app.run() ``` This program receives the webhook request, extracts the `Action`, `Ticker`, and `Price` fields from the JSON payload, creates a contract object for the specified ticker, calculates the order quantity based on 30% of the account balance and the specified price, creates a limit order using the specified action, quantity, and price, and then places the order on Interactive Brokers. Finally, it returns an HTTP response indicating success by returning the string `'OK'`. Note that you'll need to have an active connection to the IB TWS or Gateway in order to place orders. Additionally, this program doesn't handle any error cases that may occur during the order placement process, so you may want to add additional error handling to make it more robust. ## Conversation **ASSISTANT**: Here's an example Python program that uses Flask to receive a webhook from TradingView, and places an order on Interactive Brokers using 30% of the account balance: ```python from flask import Flask, request from ibapi.client import EClient from ibapi.wrapper import EWrapper from ibapi.contract import Contract from ibapi.common import * from ibapi.order import * class IBAPIClient(EWrapper, EClient): def __init__(self): EClient.__init__(self, self) self.nextOrderId = None def nextValidId(self, orderId: int): super().nextValidId(orderId) self.nextOrderId = orderId def placeOrder(self, contract: Contract, order: Order): self.placeOrder(self.nextOrderId, contract, order) self.nextOrderId += 1 app = Flask(__name__) @app.route('/webhook', methods=['POST']) def webhook(): data = request.json action = data['Action'] ticker = data['Ticker'] price = float(data['Price']) # Connect to IB TWS or Gateway client = IBAPIClient() client.connect('127.0.0.1', 4002, clientId=0) # Get account balance account_data = [] class AccountInfo(EWrapper, EClient): def __init__(self): EClient.__init__(self,self) def error(self, reqId:TickerId, errorCode:int, errorString:str): print("Error:",reqId,"Code:",errorCode,"Msg:",errorString) def updateAccountValue(self, key:str, val:str, currency:str, accountName:str): account_data.append((key,val)) ai = AccountInfo() client.reqAccountSummary(9001, "All", "$LEDGER") while len(account_data) == 0: client.run() account_balance = float(dict(account_data)['TotalCashValue']) # Calculate order quantity order_quantity = int((account_balance * 0.3) / price) # Create contract object for the specified ticker contract = Contract() contract.symbol = ticker contract.secType = 'STK' contract.exchange = 'SMART' contract.currency = 'USD' # Create a limit order order_type = 'BUY' if action.upper() == 'BUY' else 'SELL' limit_order = LimitOrder(order_type, order_quantity, price) try: # Place the order client.placeOrder(contract, limit_order) except Exception as e: # Handle any errors that occur during the order placement process print(f'Error placing order: {e}') # Disconnect from IB TWS or Gateway client.disconnect() return 'OK' if __name__ == '__main__': app.run() ``` This program receives the webhook request, extracts the `Action`, `Ticker`, and `Price` fields from the JSON payload, creates a contract object for the specified ticker, calculates the order quantity based on 30% of the account balance and the specified price, creates a limit order using the specified action, quantity, and price, and then places the order on Interactive Brokers. Finally, it returns an HTTP response indicating success by returning the string `'OK'`. Note that you'll need to have an active connection to the IB TWS or Gateway in order to place orders. Additionally, this program doesn't handle any error cases that may occur during the order placement process, so you may want to add additional error handling to make it more robust. **USER**: Include doc strings in the code **ASSISTANT**: Here's an updated version of the code that includes docstrings to explain what each class and function does, as well as what inputs they expect and what outputs they produce: ```python from flask import Flask, request from ibapi.client import EClient from ibapi.wrapper import EWrapper from ibapi.contract import Contract from ibapi.common import * from ibapi.order import * class IBAPIClient(EWrapper, EClient): """Class that handles messages from the Interactive Brokers API.""" def __init__(self): """Initialize the class.""" EClient.__init__(self, self) self.nextOrderId = None def nextValidId(self, orderId: int): """Handler for the 'next valid order ID' message.""" super().nextValidId(orderId) self.nextOrderId = orderId def placeOrder(self, contract: Contract, order: Order): """Place an order using the Interactive Brokers API.""" self.placeOrder(self.nextOrderId, contract, order) self.nextOrderId += 1 app = Flask(__name__) @app.route('/webhook', methods=['POST']) def webhook(): """ Handle incoming webhooks from TradingView. Expects a JSON payload with the following fields: - Action: "BUY" or "SELL" - Ticker: The symbol of the security to trade (e.g. "AAPL") - Price: The price at which to buy/sell the security """ data = request.json action = data['Action'] ticker = data['Ticker'] price = float(data['Price']) # Connect to IB TWS or Gateway client = IBAPIClient() client.connect('127.0.0.1', 4002, clientId=0) # Get account balance account_data = [] class AccountInfo(EWrapper, EClient): def __init__(self): EClient.__init__(self,self) def error(self, reqId:TickerId, errorCode:int, errorString:str): print("Error:",reqId,"Code:",errorCode,"Msg:",errorString) def updateAccountValue(self, key:str, val:str, currency:str, accountName:str): account_data.append((key,val)) ai = AccountInfo() client.reqAccountSummary(9001, "All", "$LEDGER") while len(account_data) == 0: client.run() account_balance = float(dict(account_data)['TotalCashValue']) # Calculate order quantity order_quantity = int((account_balance * 0.3) / price) # Create contract object for the specified ticker contract = Contract() contract.symbol = ticker contract.secType = 'STK' contract.exchange = 'SMART' contract.currency = 'USD' # Create a limit order order_type = 'BUY' if action.upper() == 'BUY' else 'SELL' limit_order = LimitOrder(order_type, order_quantity, price) try: # Place the order client.placeOrder(contract, limit_order) except Exception as e: # Handle any errors that occur during the order placement process print(f'Error placing order: {e}') # Disconnect from IB TWS or Gateway client.disconnect() return 'OK' if __name__ == '__main__': app.run() ``` The docstrings explain what each class and function does, as well as what inputs they expect and what outputs they produce. They also provide a description of the expected JSON payload format for incoming TradingView webhooks. Docstrings are an important part of writing clear, maintainable code as they make it easier for other developers (and yourself in the future) to understand what the code does without having to read through every line of code.