Analysis
We take a published strategy — a TradingView indicator, a YouTube system, an mql5 article — rebuild it properly in Python, and put it through honest validation: real costs, out-of-sample testing, and the Deflated Sharpe Ratio. Here's what survives, and what doesn't.
Statistical arbitrage done right: can a cointegrated pair clear the bar?
We screen eight pairs for cointegration (only three pass), deep-dive the textbook EWA/EWC pair, and judge it against a serious acceptance bar. Done right, the edge is real — but thin.
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Does EURUSD/GBPUSD pairs trading actually work?
The legitimate cousin of triangular arbitrage. We tested it properly — cointegration test, out-of-sample, Deflated Sharpe. The two pairs move together, but correlation isn't cointegration, and there's no edge.
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Triangular arbitrage in MT5 + Python: does it actually work?
A popular MetaTrader 5 system generates a thousand synthetic cross rates and ships a rising backtest curve. We rebuilt it on real tick data: the signal compares the wrong instruments, the backtest manufactures its profit, and the genuine edge is below cost.
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