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Statistical arbitrage sits at the intersection of statistics, signal processing, and market microstructure. Rather than predicting the future outright, it identifies systematic deviations from an estimated fair value and exploits the mean-reversion o...

Most market indicators tell you what price is doing — momentum, overbought, oversold. The Hurst exponent tells you something deeper: how price is behaving structurally. Is it trending persistently, reverting to a mean, or wandering randomly? That dis...

Understanding where a stock price might go — and with what probability — is one of the most practical problems in quantitative finance. Rather than guessing direction, professional traders quantify uncertainty. They build probability distributions ar...

Moving averages are among the oldest tools in technical analysis, but most traders use them without ever measuring whether one window length actually outperforms another on a risk-adjusted basis. This article treats that question as a proper quantita...
