Intrinio realtime websocket python

IEX real-time feed for Intrinio implemented in Python
Based upon implementation found at: https://github.com/jorymorrison/real-time-intrinio-python

Modified to include websocket heartbeat & support for multiple securities as command line arguments

How to

1. Set INTRINIO_USER and INTRINIO_PASSWORD environment variables

Usage

python realtime_websocket.py AAPL
python realtime_websocket.py AAPL MSFT