Exploring the intersection of financial markets, quantitative analysis, and technology through expert insights and practical applications.
Deep dives into financial engineering and quantitative analysis
Options & Trading
How butterfly option structures actually work: the payoff shape, why iron and long butterflies are the same trade, and the honest risk in a broken wing.
Options & Income
How credit spreads and iron condors work, what the premium compensates you for, the margin reality, and the payoff shape that catches option sellers out.
Machine Learning
Applying machine learning to equity selection: why cross-validation breaks on time series, where data leakage hides, and when a linear model is better.
Options & Hedging
How to hedge an equity portfolio with index options: sizing the hedge, what protective puts and collars actually cost, and when not to bother at all.
Risk Management
Why drawdowns are harder to recover than they look, what Value at Risk does and does not tell you, and how to size positions so a bad month stays survivable.
Portfolio Management
How diversification actually creates value, what the efficient frontier shows, and why mean-variance optimisation produces portfolios nobody should hold.