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A Geometric Brownian motion (GBM) is used to model a stockprice: dS(t) = S(t)(bdt + ?dWt). In the above, b and ? are termedas the
A Geometric Brownian motion (GBM) is used to model a stockprice: dS(t) = S(t)(bdt + ?dWt). In the above, b and ? are termedas the drift and the volatility of the underlying stock. (1) Derivethe e 2 answers
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