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Algorithmic Short Selling with Python

You're reading from   Algorithmic Short Selling with Python Refine your algorithmic trading edge, consistently generate investment ideas, and build a robust long/short product

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Product type Paperback
Published in Sep 2021
Publisher Packt
ISBN-13 9781801815192
Length 376 pages
Edition 1st Edition
Languages
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Author (1):
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Laurent Bernut Laurent Bernut
Author Profile Icon Laurent Bernut
Laurent Bernut
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Table of Contents (17) Chapters Close

Preface The Stock Market Game 10 Classic Myths About Short Selling FREE CHAPTER Take a Walk on the Wild Short Side Long/Short Methodologies: Absolute and Relative Regime Definition The Trading Edge is a Number, and Here is the Formula Improve Your Trading Edge Position Sizing: Money is Made in the Money Management Module Risk is a Number Refining the Investment Universe The Long/Short Toolbox Signals and Execution Portfolio Management System Other Books You May Enjoy
Index
Appendix: Stock Screening

Methodology comparison

"Learning to choose is hard. Learning to choose well is harder. And learning to choose well in a world of unlimited possibilities is harder still."

– Barry Schwartz on the paradox of choice

In 2004, Barry Schwartz rocked the world with something we have always intuitively felt. The more choices we have, the more stress we experience. We have outlined a few methods. Let's compare them graphically and hope the winner will visually stand out.

Firstly, let's print the floor/ceiling alone. The small dots are level 1. The big dots are level 2. The black triangle is the floor. The shade is the length of the regime. It starts from the first swing low and goes all the way to the right. Even the pandemic "soft patch" did not put a dent in it. This is as stable as it possibly can be:

Figure 5.22: SPY floor/ceiling bullish regime forever

This could come across as unresponsive to market gyrations...

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