Notch (called leverage) or leverage - it is almost a magic word for those who are getting started with the derivatives market. Notch is also a feature which is the major causative agent of a large rotation of the participants in this market. On the one hand the magic of leverage on the market attracts like a siren song of risk-lovers, on the other - is the main cause of defeat of these risk-lovers who end up in financial terms as well as those who have succumbed to the magic of mythical singing voice
