Options listing and the volatility of the underlying asset: a study on the derivative market function

Data
1996
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Resumo

There is a lot of misunderstanding about derivative markets. Many people believes that they are a kind of casinos and have no utility to the investors. This work looks on the effects of options introduction in the Brazilian market, seeking for another benefit for this introduction: changes in the stocks risk level due to this introduction. Our results are the same found in the US and other markets: the options introduction reduces the stocks volatility. We also found that there is a slight indication that the volatility became more stochastic with this introduction.


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