The Center for Research in Security Prices (CRSP) at the University of Chicago Booth School of Business provides historical market data and investable indexes.
FactSet creates flexible, open data and software solutions for investment professionals around the world, providing instant anytime/anywhere access to financial data and analytics that investors use to make decisions.
Xignite is leading the disruption of the market data industry with its AWS cloud=based financial data distribution and market data management solutions.
Options Strategies Insider provides education and trading ideas for traders looking to trade options. You can select from three different membership types depending on your level of desire and commitment.