{"id":3664,"date":"2025-01-02T01:30:00","date_gmt":"2025-01-02T01:30:00","guid":{"rendered":"https:\/\/www.tejwin.com\/?post_type=insight&p=3664"},"modified":"2026-10-05T02:48:41","modified_gmt":"2026-10-05T02:48:41","slug":"tquant-from-0to1-commission-and-slippage","status":"publish","type":"insight","link":"https:\/\/www.tejwin.com\/en\/insights\/tquant-from-0to1-commission-and-slippage\/","title":{"rendered":"\u3010TQuant : From 0 to 1 – Day 2\u3011 Avoid the Invisible Killers of Quantitative Trading: Use TQuant Lab to Precisely Manage Commission and Slippage, Giving Your Strategies the Edge!"},"content":{"rendered":"
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\"Quantitative
Photo by Kelly Sikkema<\/a> on Unsplash<\/a><\/figcaption><\/figure>\n<\/div>\n\n\n

Preface<\/h2>\n\n\n\n

In the world of investment markets, a critical issue is often overlooked: trading comes with costs! Transaction fees and slippage might seem trivial, but they can silently erode your profits. Today, we\u2019ll explain in the simplest terms what transaction fees and slippage are, and show you how to use TQuant Lab to precisely control these trading costs, making your investment strategies twice as effective with half the effort! No matter how new you are to quantitative trading, don\u2019t worry\u2014just follow our steps, and you\u2019ll be able to get started with ease!<\/p>\n\n\n\n

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\u27a1\ufe0fMissed Day1? Catch up on\u3010TQuant : From 0 to 1 \u2013 Day 1\u3011!<\/strong><\/a><\/div>\n<\/div>\n\n\n\n
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Commission<\/h2>\n\n\n\n

Transaction Fees: A Common Sight in Daily Life<\/strong><\/p>\n\n\n\n

Transaction fees are something we encounter frequently in everyday situations. For instance, when you transfer money to a friend, the bank may charge a transfer fee. Similarly, using an ATM from another bank might incur interbank withdrawal fees. These are all forms of service charges we pay for using specific services.<\/p>\n\n\n\n

The same concept applies to trading. Whenever we buy or sell stocks, futures, or other financial products, brokerage firms charge a transaction fee for their services. Just like paying a bank transfer fee, this cost may seem negligible at first glance, but when accumulated, it can significantly impact your investment returns. Therefore, understanding transaction fees and learning how to calculate them is an essential skill every new investor must master!<\/p>\n\n\n\n

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TQuant Lab and Its Five Models<\/strong><\/p>\n\n\n\n

TQuant Lab offers five distinct models, each designed to address specific aspects of trading costs. In today\u2019s session, we will explain the functionality of each model to help you seamlessly transition to the subsequent lessons. For more details, refer to the following tutorial: \u201cBasic Settings for Backtesting in the Four Core Frameworks: Specific Initialize Configurations.\u201d<\/p>\n\n\n\n

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from zipline.api import set_commission
from zipline.finance import commission

def initialize(context):
set_commission(commission.<one of commission models>)<\/p>\n\n\n\n

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Commission Models in Code: Five Customizable Options<\/strong><\/p>\n\n\n\n

The commission models in code provide flexibility to choose the appropriate fee structure based on user needs. Below are the details of the five models available:<\/p>\n\n\n\n

1. <\/strong>NoCommission()<\/strong><\/h3>\n\n\n\n