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alvenyuka/README.md

Alven Yuka — finance professional moving into financial data science

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  1. Financial-Analyst Financial-Analyst Public

    Company financial analyses built from primary-source filings: three-statement models, DCF valuations, scenario toggles. Each workbook has a validation tab that ties every historical line to its sou…

  2. Fraud-Detection-System Fraud-Detection-System Public

    Mobile money fraud classifier on PaySim (6.36M transactions). XGBoost at 99.11% precision and 96.88% recall on a 132K time-based holdout. Balance-discrepancy features, calibrated probabilities, SHA…

    Jupyter Notebook

  3. Stock-Portfolio-Tracker-Analytics-Engine Stock-Portfolio-Tracker-Analytics-Engine Public

    Paper portfolio of 16 stocks tracked in Excel 365. Risk and performance analytics: CAPM, parametric/historical/Monte Carlo VaR, CVaR, Sharpe/Sortino/Calmar, Black-Litterman optimisation, tax-aware …