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Zhe Li
Zhe Li an IT Finance & AI blogger
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Category Archives: Python for Algorithmic Trading

Vectorised Backtesting

Python, Python for Algorithmic TradingBy Zhe10 February 2026Leave a comment

Simple moving average (SMA) based strategies For buy and sell signal generation is already decades old. Momentum strategies Based on the hypothesis that recent performance will persist for some additional time. Mean-reversion strategies Stock prices or prices of other financial instruments tend to revert to some mean level or to some trend level when they…

Reading Financial Data From Different Sources

Python, Python for Algorithmic TradingBy Zhe9 January 2026Leave a comment

The Data Set Suppose that we have file, AAPL.csv in a data folder. Reading from a CSV File with Python Using a csv.DictReader iterator object instead of the standard csv.reader object. Calculate the mean of the Apple closing stock Reading from a CSV File with pandas Use pandas to work with the Apple stock price…

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