The worsening situation in European pushed money to the safety of the Swiss franc, despite the fierce intervention from the SNB, which wants a weaker currency. The floor of 1.20 under EUR/CHF turned into an effective peg, as the SNB just prints more francs to buy more euros.
The Swiss authorities would probably prefer an even weaker franc, as deflation continues to bite, and exports are less attractive. This seems impossible at the moment.
A movement in the other direction has higher chances. How long can the Swiss National Bank buy euros? It might diversify its holdings to other currencies, introduces some kind of capital controls (that has a price as well) or might just give up.
Many traders are betting that they will be able to break the SNB. Up to now, they had no success. A Greek euro-exit or an event of the same magnitude could challenge the Swiss authorities and could accelerate the fall of the euro against other currencies.
There are higher chances that this will not happen in July, with the current peg continuing for another month. Yet it’s important to note that the burden on the SNB is rising.
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