Calculus, linear algebra, and especially stochastic processes (the math of "randomness").
Computers making thousands of trades per second.
Value at Risk (VaR) is a statistical technique used to measure the level of financial risk within a firm or portfolio over a specific time frame.
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The practice of taking advantage of a price difference between two or more markets. Quants write code to find these "free lunches" and execute trades in milliseconds.
How your 401(k) or ETF automatically balances itself.
Learn about normal distributions, mean reversion, and correlation.
The "Big Bang" of quant finance. It’s a mathematical formula used to determine the fair price of stock options.