David Arias, CFA

David Arias, CFA

Newsletter

Every model, open sourced.

Option pricing and Greeks, volatility surfaces, hedging, machine learning and portfolios. Python, free data, runnable on a laptop. Subscribers get the code and the write up first.

One short email when there is something new. No spam, unsubscribe in one click.

What subscribers got recently

Gamma exposureDealer gamma, and a last half hour ruleFree Cboe chain through to a live order on the IBKR API. Deep hedgingA network learns to hedge a call spreadJudged on tail risk instead of average error. Deep learningFive architectures on real market dataFeedforward, LSTM, transformer, CNN and autoencoder. Machine learningTrees, forests and XGBoostOn a survivorship-free S&P 500 panel, with PCA and lasso alongside.

Follow along