quantitative finance

Web Market Monitors and the Impact of Social Media on Financial Markets
“The words of the prophets are written on the subway walls.” — Simon & Garfunkel, The Sound of Silence
Opinions vary widely on the value of collective wisdom, with ample supporting evidence both for and against. The Internet has many positive examples: The collective ratings [...]

Hunting Investment Alpha and Trading Alpha from Online News, Social Media, and Rumors
Alpha hunters are always looking for new territory. When a strategy becomes known and used by too many players, the collective market impact of getting in and getting out will squeeze out all the profit juice, and only the lowest-cost transactors (large sell-side [...]

Using Genetic Algorithms, Optimization Models, and Evolutionary Computation on Wall Street
“Be careful what you ask for — you might get it.”
My enthusiasm for machine learning, described at the end of the previous chapter, led me to kiss many artificial intelligence ( AI ) frogs. This included many flavors of inductive and explanation – based learning, [...]

A Little AI Goes a Long Way on Wall Street: Artificial Intelligence and Securities Trading
“If you give someone a program, you will frustrate them for a day; if you teach them how to program, you will frustrate them for a lifetime.”
This is a history and technical overview of one of the earliest artificial intelligence (AI) [...]