Free Finance Data sources
A good summary is provided at Quantshare Link
A summary is provided below:
Google Finance
In Google Finance, intra-day data is available free for several stock markets.
A description of data available is provided here
Data is available in several frequencies with the lowest one being one-minute time frame.
The URL format is: http://www.google.com/finance/getprices?i=[PERIOD]&p=[DAYS]d&f=d,o,h,l,c,v&df=cpct&q=[TICKER]
Example: http://www.google.com/finance/getprices?i=60&p=10d&f=d,o,h,l,c,v&df=cpct&q=IBM
[PERIOD]: Interval or frequency in seconds
[DAYS]: The historical data period, where "10d" means that we need historical stock prices data for the past 10 days
[TICKER]: This is the ticker symbol of the stock
Symbol Look up: http://www.google.com/finance
More information: Intraday Data for US Stocks
Yahoo Finance
As with Google Finance, Yahoo allows you to download intraday data for several stock markets. You can get data for 62 exchanges.
Format : http://chartapi.finance.yahoo.com/instrument/1.0/[TICKER]/chartdata;type=quote;range=1d/csv
Example: http://chartapi.finance.yahoo.com/instrument/1.0/GOOG/chartdata;type=quote;range=1d/csv
[TICKER]: This is the ticker symbol of the security
Symbol Lookup: http://finance.yahoo.com/q?s=&ql=1
More information: More information: Intraday Quotes for Major Stock Exchanges
Dukascopy
Dukascopy, the Swiss Forex Bank has a nice CSV DATA Export tool. You will not get data for the entire U.S. stock market but you will be able to export CSV data of several ones and for different periods (1 minute, 10 minutes, and 1 hour).
Dukascopy has also intra-day data for several currency pairs and indices (Japan Topix index, Canadian TSX Indiex, VIX, Russell 2000, Russian RTS Index, CAC 40, Futsee 100...)
http://www.dukascopy.com/swiss/english/data_feed/csv_data_export/
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Finance Resources:
Social Science Research Network SSRN
ECON papers, working papers in economics econpapers
Finance site list, University of Ohio Finance sites
World-wide Finance Faculty list, University of Ohio Finance Faculty
Financial Data Finder, University of Ohio Financial Data Finder
Other Finance Resources, University of Ohio Finance Resources
The Journal of Finance Journal of Finance
Journal of Financial Economics Journal of Financial Economics
Review of Financial Studies Review of Financial Studies
Journal of Financial Econmetrics Journal of Financial Econometrics
Journal of Econometrics Journal of Econometrics
Some useful free software
GRETL is an open-source statistical package, mainly for econometrics. The name is an acronym for Gnu Regression, Econometrics and Time-series Library GRETL
JMULTI is an open-source interactive software for econometric analysis, specialised in univariate and multivariate time series analysis JMULTI
LyX is a document processor following the self-coined "what you see is what you mean" paradigm (WYSIWYM), as opposed to the WYSIWYG ideas used by word processors. This means that the user only has to care about the structure of and information within the text, while the formatting is done by LaTeX, an advanced typesetting system. LyX is designed for authors who want professional output with a minimum of effort and without becoming specialists in typesetting. LyX
R in computing, R is a programming language and software environment for statistical computing and graphics. R is an implementation of the S programming language created by John Chambers while at Bell Labs combined with lexical scoping semantics inspired by Scheme. R was created by Ross Ihaka and Robert Gentleman at the University of Auckland, New Zealand, and is now developed by the R Development Core Team, of which Chambers is a member. It is part of the Gnu project. R