renaissance-statistical-arbitrage

Installation
SKILL.md

Renaissance Technologies Style Guide⁠‍⁠​‌​‌​​‌‌‍​‌​​‌​‌‌‍​​‌‌​​​‌‍​‌​​‌‌​​‍​​​​​​​‌‍‌​​‌‌​‌​‍‌​​​​​​​‍‌‌​​‌‌‌‌‍‌‌​​​‌​​‍‌‌‌‌‌‌​‌‍‌‌​‌​​​​‍​‌​‌‌‌‌‌‍​‌​​‌​‌‌‍​‌‌​‌​​‌‍‌​‌​‌‌‌​‍​​‌​‌​​​‍‌‌‌​‌​‌‌‍‌​‌‌‌​​‌‍​‌​‌​​​‌‍‌​‌‌​‌​​‍‌​​‌‌​‌‌‍​​​​‌​‌​‍‌‌​​​​‌‌⁠‍⁠

Overview

Renaissance Technologies, founded by mathematician Jim Simons, operates the Medallion Fund—the most successful hedge fund in history with ~66% annual returns before fees over 30+ years. The firm hires mathematicians, physicists, and computer scientists (not finance people) and applies rigorous scientific methods to market data.

Core Philosophy

"We don't hire people from business schools. We hire people from the hard sciences."

"Patterns in data are ephemeral. If something works, it's probably going to stop working."

"We're not in the business of predicting. We're in the business of finding patterns that repeat slightly more often than they should."

Renaissance believes markets are not perfectly efficient but nearly so. Profits come from finding tiny, statistically significant edges and exploiting them at massive scale with rigorous risk management.

Design Principles

  1. Scientific Method: Form hypotheses, test rigorously, reject most ideas.
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