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Python for Finance

Python for Finance

3.5 (33)
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Python for Finance

Python for Finance

3.5 (33)

Overview of this book

This book uses Python as its computational tool. Since Python is free, any school or organization can download and use it. This book is organized according to various finance subjects. In other words, the first edition focuses more on Python, while the second edition is truly trying to apply Python to finance. The book starts by explaining topics exclusively related to Python. Then we deal with critical parts of Python, explaining concepts such as time value of money stock and bond evaluations, capital asset pricing model, multi-factor models, time series analysis, portfolio theory, options and futures. This book will help us to learn or review the basics of quantitative finance and apply Python to solve various problems, such as estimating IBM’s market risk, running a Fama-French 3-factor, 5-factor, or Fama-French-Carhart 4 factor model, estimating the VaR of a 5-stock portfolio, estimating the optimal portfolio, and constructing the efficient frontier for a 20-stock portfolio with real-world stock, and with Monte Carlo Simulation. Later, we will also learn how to replicate the famous Black-Scholes-Merton option model and how to price exotic options such as the average price call option.
Table of Contents (17 chapters)
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16
Index

Distance to default

Distance to default (DD) is defined by the following formula; here A is the market value of the total assets and Distance to default is its risk. The interpretation of this measure is clear; the higher DD, the safer the firm:

Distance to default

In terms of Default Point, there is no theory on how to choose an ideal default point. However, we could use all short-term debts plus the half of long-term debts as our default point. After we have the values of the market value of assets and its volatility, we could use the preceding equation to estimate the Distance to Default. The A and Distance to default are from the output from Equation (10). On the other hand, if the default point equals E, we would have the following formula:

Distance to default

According to the Black-Scholes-Merton call option model, the relationship between DD and DP (Default Probability) is given here:

Distance to default

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