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In modern derivatives trading, Black-Scholes theory is only a starting point. Asset volatilities are not constant, but change with market conditions. Large price moves are associated with periods of market turbulence and this leads to a smile shaped curve of the volatility impli…
In modern derivatives trading, Black-Scholes theory is only a starting point. Asset volatilities are not constant, but change with market conditions. Large price moves are associated with periods of market turbulence and this leads to a smile shaped curve of the volatility impli…