Is there any chance someone could bet on the Swiss franc being undervalued to the extent it's central bank would have to accept a 1/1 parity with the euro... ar

Is there any chance someone could bet on the Swiss franc being undervalued to the extent it's central bank would have to accept a 1/1 parity with the euro... are there other similar cases of ("collusion") of individual entities that have outbet government policies to this or further extent?