Search icon CANCEL
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Python for Finance

You're reading from   Python for Finance Apply powerful finance models and quantitative analysis with Python

Arrow left icon
Product type Paperback
Published in Jun 2017
Publisher
ISBN-13 9781787125698
Length 586 pages
Edition 2nd Edition
Languages
Arrow right icon
Author (1):
Arrow left icon
Yuxing Yan Yuxing Yan
Author Profile Icon Yuxing Yan
Yuxing Yan
Arrow right icon
View More author details
Toc

Table of Contents (17) Chapters Close

Preface 1. Python Basics FREE CHAPTER 2. Introduction to Python Modules 3. Time Value of Money 4. Sources of Data 5. Bond and Stock Valuation 6. Capital Asset Pricing Model 7. Multifactor Models and Performance Measures 8. Time-Series Analysis 9. Portfolio Theory 10. Options and Futures 11. Value at Risk 12. Monte Carlo Simulation 13. Credit Risk Analysis 14. Exotic Options 15. Volatility, Implied Volatility, ARCH, and GARCH Index

Extracting output data

In this section, we'll be discussing different ways to extract our output data to different file formats.

Outputting data to text files

The following code will download the daily price data for Microsoft and save it to a text file:

import pandas_datareader.data as getData
import re
ticker='msft'
f=open("c:/temp/msft.txt","w")
p = getData.DataReader(ticker, "google")
f.write(str(p))
f.close()

The first several saved observations are shown in the following screenshot:

Outputting data to text files

Saving our data to a .csv file

The following program first retrieves IBM price data, and then saves it as a .csv file under c:/temp:

from matplotlib.finance import quotes_historical_yahoo_ochl as getData
import csv
f=open("c:/temp/c.csv","w")

ticker='c'
begdate=(2016,1,1)
enddate=(2017,1,9)
p = getData(ticker, begdate, enddate,asobject=True,adjusted=True)

writer = csv.writer(f)
writer.writerows(p)
f.close()

In the preceding code, we rename...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime