The algoseek blog

Notes from the data desk

Quant research, market-data deep dives, and infrastructure engineering from the team behind the feed.

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  • Evaluating Historical Options Data for Backtesting

    Evaluating Historical Options Data for Backtesting

    Options backtests rarely fail loudly. A backtest on bad equity data usually throws up something obviously wrong, such…

    Russel Patalinghog

    Russel Patalinghog

    Russel is a technical communication and digital marketing consultant with 23+ years building documentation systems across fintech, telecom, and SaaS.
    Russel Patalinghog

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    11 min read
  • Mean Reversion vs Momentum and How to Identify Regimes

    Mean Reversion vs Momentum and How to Identify Regimes

    Two behaviors dominate how prices move. In mean reversion a move tends to be given back, so what…

    Abhishek Gupta

    Abhishek Gupta

    Abhishek Gupta is a CFA charterholder working on market data pipelines and algorithmic trading system design, focusing on the data-quality problems that underlie quantitative research.
    Abhishek Gupta

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    10 min read