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The Black-Scholes framework implies a constant volatility across term and strike, and a lognormal distribution for … and apply a model-independent, historically-consistent method for estimating the ‘fair' volatility surface of an asset … characteristics investors should be concerned with; (2) A review of historic SA index volatility skews and term structure, their …
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volatility process spends longer time in regime 2 than it stays in regime 1. The predicted call option prices from both models …
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