Author: Diego Barreto

Rio filmmaker turned Zürich fintech copywriter. Diego explains NFT royalty contracts, alpine avalanche science, and samba percussion theory—all before his second espresso. He rescues retired ski lift chairs and converts them into reading swings.
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From Noise to Alpha: How Sortino, Calmar, and Hurst Reframe the Stockmarket for Algorithmic Investors

Decoding the Modern Market: The Algorithmic Stack Behind Robust Equity Strategies The modern stockmarket is an immense stream of micro-events—quotes, prints, cancellations, and news—constantly reshaping opportunity. Extracting signal from this torrent requires an integrated stack that spans data engineering, model design, and execution. At its core, an algorithmic pipeline aligns raw data with a thesis about behavior: trend persistence, mean-reversion, factor premia, or regime shifts. It begins with meticulous data hygiene: deduplication, survivorship-bias controls, corporate action adjustments, and timezone normalization. Without clean inputs, even elegant models deliver brittle performance. Feature engineering transforms this foundation into predictive structure. Cross-se...