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Learn 2026-09-20

Free Stock Market Data API in Python

Call a free stock market data API in Python with requests and pandas: an Ubuntu tutorial that loads JSON into a DataFrame and prints 20-day average volume.

Learn 2026-09-16

How to Backtest a Trading Strategy in Python

How to backtest a trading strategy in under 80 lines of plain Python: a 5/20 moving average crossover with next-open fills, fees, slippage and a split fix.