Tag Archives: Stat Arb Software

Sharpening the Statistical Arbitrage Edge: October 2025 Top 50 USA Stock Pair Stars

In financial markets, noise is constant — but logic endures. Behind the short-term volatility and narrative churn lies a deeper structure: the relationships between assets, sectors, and flows. These relationships can be measured, modeled, and traded. That’s the essence of a statistical arbitrage edge — and the foundation of our work at PairTrade Finder®.

This October, after hundreds of hours of research, recalibration, and validation, we’re releasing the October 2025 Vintage of our Top 50 USA Stock Pair Stars — a selective, systematically refined collection of high probability USA stock pairs to drive your statistical arbitrage edge.

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Unpacking 432 Trades — How Exactly Did Our Stat Arb Engine Deliver +17.4%?

Since January 2025, our PTF USA Equities Stat Arb Engine has quietly executed a fully automated, rules-based strategy across 136 US equity pairs using our Interactive Brokers’ paper trading facility. We have discussed previously the headline performance (+17.4% net return, –3.6% max drawdown, Sortino ~3.8). Now let’s dive into the trade-by-trade statistics that underscore why this is not just luck.

Trade-Level Performance: Precision in Execution

The strategy employs a mean-reversion framework, targeting temporary pricing dislocations. We curate a universe of highly correlated and cointegrated US equity pairs in the same or similar industry sub-sector.

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