The Swiss franc is considered one of the most attractive currencies (if not the most attractive) nowadays as the strength of the franc makes it preferable as a safe haven. With all the financial turmoil in Europe and America the safety of the currency is in high demand among investors. But the Swiss National Bank announced last week that it’s going to take measures for taming the excessive appreciation of the Swiss currency. How this step will affect the franc? Let’s look at the history of the bank’s decisions to see how interventions usually affect the currency.