I built a Pine Script Python transpiler — and just opened it up for paying users

By Lei Chen · DEV Community · 10/31/2026

Hi dev.to — I'm Ray, a retail trader with a day job, and this is my weekend side project: Pine2Py (pine2py.com). The problem was my own. I'd prototype a strategy in Pine Script on TradingView, then want to backtest it properly in Python — on my own data, across more symbols, with parameters swept…

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