How to Run Multiple Trading Strategies on One (or Many) IBKR Paper Accounts — The Ultimate Guide

From single-account hacks to multi-account pro setups: Mastering clientId, orderRef, and account targeting in IBKR

Introduction

If you’re serious about testing multiple algorithmic trading strategies with Interactive Brokers (IBKR), sooner or later you’ll hit this question:

“How can I run multiple strategies without them stepping on each other’s toes?”

The answer depends on:

• Whether you have one account or multiple accounts

• Whether those accounts are under one login or completely separate

In this guide, I’ll walk you through every setup, step-by-step, with Python examples using the ib_insync library.