The Hedge Ratio Should Never Be Static
Why a static hedge ratio breaks pairs trading strategies, and how to implement a rolling OLS regression in Python to …
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Reading Options Volume and Open Interest
How to read and interpret options volume and open interest in Python, what they mean, why they matter for execution, and …
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Spread Trading with Z-Score
How to build a pairs trading strategy using z-score to detect mean-reverting mispricings between correlated stocks like …
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Analyzing and Detrending Yearly Cumulative Returns
How to compute yearly cumulative returns in Python and detrend them to reveal true seasonal patterns applied to Amazon …
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A Practical Guide to Retrieving Options Data
How to retrieve and analyse options chain data in Python using yfinance — expiration dates, strikes, bid/ask, Greeks and …
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Adjusted vs. Unadjusted Prices: The Backtest
See how using unadjusted prices in a backtest silently distorts your results with a concrete Python example on Microsoft …
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Adjusted vs. Unadjusted Prices: The Hidden Trap
Adjusted and unadjusted stock prices look similar but can make or break your backtest. Learn the difference and when to …
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Building Walk-Forward Date Splits for Backtesting
How to generate walk-forward date splits in Python to properly backtest trading strategies across changing market …
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Get the S&P 500 List: A Smarter Way
A cleaner, more reliable way to get the S&P 500 list using iShares ETF data and Python instead of scraping Wikipedia.
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