You can get a 30 mortgage, as long as you have 20% down (so you don't need CMHC insurance). The real reason why shorting the banks won't work is that with less

You can get a 30 mortgage, as long as you have 20% down (so you don't need CMHC insurance). The real reason why shorting the banks won't work is that with less than 20% down the CMHC insures that the lender will get their money back. For thenon-insured mortgages, the banks can also go after other assets since all Canadian mortgages are recourse loans.