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FinanceGordon Growth Model
Values a stock as next dividend over (required return − growth).
The dividend discount model assumes dividends grow at a constant rate g forever. It is intuitive and widely taught, but extremely sensitive to the spread between r and g — small changes swing the valuation wildly.
Formula / theory
P₀ = D₁ / (r − g) (requires r > g)
In Python
price = d1 / (r - g)