Download Interactive Brokers Python API example here and other references below
https://github.com/areed1192/interactive-broker-python-api
Interactive Broker pricing from here
https://gfis.info/market-data.php
Simpler TWS with Python tutorial
https://medium.com/swlh/structure-and-communicating-with-interactive-brokers-api-python-78ed9dcaccd7
This tutorial continues (from April 2020)
https://levelup.gitconnected.com/executing-orders-on-interactive-brokers-api-how-to-guide-b8fb6059a0f0
Chargeable tutorial with source code
https://thequantacademy.com/?utm_source=Medium&utm_medium=writing&utm_campaign=executing_orders
Learn how I plan to automate Interactive Brokers programming with Python http://quant-labs.net/contact/