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Production-grade tools with working formulas. Checkout and instant delivery handled securely by Gumroad. We never see your payment details.

Automated Stock Valuation Suite

Type one ticker in Google Sheets and the suite builds the full workup: live dashboard, four valuation methods, a ten-year DCF with scenarios and a reverse DCF, risk statistics, a portfolio tracker, and an earnings watchlist. Every sheet protected except the input cells.

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Statistics and Data Analysis for Investing and Trading

By John M. Charles, MS, Statistician. Designed like a real college book: returns and risk, valuation, backtest significance, and portfolio math, with worked examples and exercises. In writing now.

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