When the market of investment certificates appears nervous, there are two main strategies for action. The Investor one which means Purchase of particular types such as bonus certificates and certificates express and the setting of hedging strategies, or protection from risk. The Tactics one which means hedging portfolio with the lowest cost in the purchase of short or bearish tools. These in fact, apply in case of prolonged downward trend of price lists earning the inverse of the loss of the underlying.
Whoever owns an equity portfolio is well diversified but with a high probability of loss, buying a short certificate on an index may at least partly compensate any losses because the certificates allow you to take advantage of the short falls of the underlying.