Option Market Making : Part 1, An Introduction: Extrinsiq Advanced Options Trading Guides, #3
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About this ebook
Starting from first principles, option market making is explained in straightforward English. Separate sections discuss the strategy and business of market making, how option market makers typically determine prices and how market makers look to manage option portfolio risk. Simple but detailed examples are provided throughout. Three sets of exercises, complete with solutions, are provided to test the reader's understanding.
Published by Extrinsiq, this is the third volume in the concise Advanced Options Trading Guide series. The series aims to present somewhat more advanced topics relating to options trading in a clear way with an emphasis on practice rather than theory.
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Book preview
Option Market Making - Simon Gleadall
OPTION
MARKET
MAKING
Part I : An introduction
Simon Gleadall
1st Edition
Extrinsiq Advanced Options Trading Guides
© 2021 Extrinsiq. All rights reserved.
First published by Volcube, 2013. This edition first published by Extrinsiq, 2021.
Disclaimer
This book does not constitute an offer or solicitation for brokerage services, investment advisory services, or other products or services in any jurisdiction.
The book’s content, tools and calculations are being provided to you for educational purposes only. No information presented constitutes a recommendation by the author or Extrinsiq to buy, sell or hold any security, financial product or instrument discussed therein or to engage in any specific investment strategy. The content, tools and calculations neither are, nor should be construed as, an offer, or a solicitation of an offer, to buy, sell, or hold any securities by the author or Extrinsiq. Neither the author nor Extrinsiq offer or provide any opinion regarding the nature, potential, value, suitability or profitability of any particular investment or investment strategy, and you are fully responsible for any investment decisions you make. Such decisions should be based solely on your evaluation of your financial circumstances, investment objectives, risk tolerance and liquidity needs.
Options involve risk and are not suitable for all investors. Options transactions are complex and carry a high degree of risk. They are intended for sophisticated investors and are not suitable for everyone.
Table of contents
Disclaimer
About Extrinsiq
About the author
About the Extrinsiq Advanced Options Trading Guides series
1. Introduction to option market making
The theory of market making in general
The theory of options market making
Why only out-of-the-money options matter in general
Why option market makers are primarily trading volatility
Exercise 1
2. Making a market in options
Valuing options : theoretical versus market
A typical mathematical option valuation model
How to make a market in an option
The value of the option or option strategy
The appropriate width of the bid-ask spread
Other factors to consider when making a market
Making a market in options : a summary
Making a market : imagined examples
Exercise 2
3. Options risk management
The theory of options risk management
Options market making : the primary risks
1st order risks
Higher order risks
How to mitigate risk
Delta hedging
Spreading options
Simple spreads
Butterfly spreading
Time spreading
Cross-product spreading
Gamma trading
Interest rate hedging
Risk management summary
Exercise 3
Solutions to exercises
Exercise 1
Exercise 2
Exercise 3
About Extrinsiq
Extrinsiq publishes educational material in the field of finance.
About the author
Simon Gleadall is an experienced professional options, futures, equity and fixed income ETF trader, as well as a best-selling finance author. He co-created Volcube, the world’s leading options training technology. He is based in London, England.
About the Extrinsiq Advanced Options Trading Guides series
Clear and concise guides that explore more advanced options trading topics. Check out the other volumes in the series...
Volume I : Option Gamma Trading
Volume II : Option Volatility Trading : Strategies and Risk
Volume III : Option Market Making : Part I : An Introduction
Volume IV : Trading Implied Volatility : An Introduction
Volume V : Option Greeks for Traders : Part I : Delta, Vega and Theta
Volume VI : Losing Money With Options : Advanced Techniques
1. Introduction to option market making
The theory of market making in general
Market making is a business activity that involves offering two-sided prices in a product almost all of the time. The market maker must almost always be prepared to buy or sell the product at prices that he chooses. The market maker aims to make a profit from his activity by buying consistently below the price at which he sells. He hopes that lots of people will sell to him at his bid price and buy from him at his (higher) offer price. In this way he will capture his bid-ask spread (the difference between his bid price and his offer price). This is the market maker's main potential reward from his trading activity.
The risk to the business of market making is simple to understand. It is the risk that the market maker will be holding inventory whose value moves against him before he can trade out of the position.
Suppose John decides to make markets in used automobiles. He must be prepared for clients to approach him and ask for a two-sided price. In other words he must be ready to show a price for which he will buy the client's car and also a price at which he will sell a car to the client. Hopefully many clients will walk through the door and buy and sell cars to John, and he will collect the difference between his bid and his offer prices. The primary risk to John is that a continual stream of clients try to sell cars to him and that the general price of used cars subsequently falls. John's inventory will thereby lose value. If losses on the inventory consistently outweigh the profits from turning over (buying and selling) cars, then market making is not a good business to be in. So, no matter what the product (whether it is a financial