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James's avatar

I only discovered your Substack a couple of weeks ago but it's such an amazing resource—I'm excited to work my way through your previous posts. Thanks for all of the work that you share!

Apologies if this has been asked before, but what library do you use to generate your plots? They look great.

K. Iyer's avatar

Thank you. It depends -- some of it is Python (matplotlib, plotly) and some of it is giving the data to Claude code to generate graphs.

I run Cursor with both Codex and Claude code for all my quant coding, so it's easy to have them help generate charts on the data.