Articles

Educational articles covering quantitative finance topics including risk metrics, portfolio optimization, derivatives pricing, and trading strategies. Latest articles sorted by date.

Gamma Exposure (GEX)

options
volatility
market-structure

Gamma exposure estimates how much stock dealers must buy or sell to stay hedged as the market moves. We build it from the ground up: gamma, dealer positioning, the GEX formula, per-strike walls, the gamma profile and the zero-gamma flip.

October 4, 2026

Sharpe Ratio

statistics
investing
equities

The Sharpe ratio measures excess return per unit of risk, enabling comparison across investments with different risk profiles.

January 13, 2026

Drawdowns

statistics
investing
equities

Drawdown analysis measures the decline from peak value, a critical risk metric for understanding worst-case scenarios.

January 13, 2026

Correlation

statistics
investing
equities

Correlation measures how assets move together, fundamental to portfolio diversification and risk management.

January 13, 2026

Mean-Variance Optimization

optimization
investing
equities

Mean-variance optimization finds the portfolio weights that maximize return for a given risk level, forming the efficient frontier.

January 13, 2026

Value at Risk

simulation
statistics
investing

Value at Risk (VaR) estimates the maximum loss over a given time horizon at a specified confidence level.

January 13, 2026

Black-Scholes Model

probability
options
simulation

The Black-Scholes model provides closed-form solutions for European option prices, revolutionizing derivatives pricing.

January 13, 2026

Option Greeks

options
trading
volatility

The Greeks measure how option prices change with respect to underlying parameters, essential for risk management and hedging.

January 13, 2026

Stationarity

statistics
regression
equities

Stationarity is a fundamental assumption in time series analysis—understanding when it holds and how to achieve it.

January 13, 2026

GARCH Models

volatility
regression
statistics

GARCH models capture volatility clustering—the tendency for large price moves to follow large moves and small moves to follow small moves.

January 13, 2026

Momentum

trading
backtesting
equities

Momentum strategies profit from the tendency of assets that have performed well to continue performing well in the near term.

January 13, 2026

Returns & Volatility

statistics
volatility
equities

A foundational note on log returns, volatility measurement, and return distributions for liquid assets.

January 11, 2026
No matching items