I decided to open an ISA with Northern Rock. I think there is indeed a kind of arbitrage for any person with an ISA with National Saving and Investment (the other retail saving bank owned by her Majesty Treasury):
- Britain is falling into recession and interest rate cut by the Bank of England are more than likely. Some analysts are expecting the rates to be around 2% next year.
- NS&I is paying 0.3% above the Bank base rate (4.8% now). It is likely to go down by next year with the Base Rate
- The Rock is and is likely to remain for the term of the fixed rate (3 year) a safe bank under state ownership. It will be backed by the government during the crisis.
Now the only question is to chose between 1, 2 or 3 years? The question is rather important as the longer the maturity, the more interests you loose when accessing the money.
- On a economical point of view, I would definitely go for three years as I can't imagine the bank of England raising its rates soon in the middle of the downturn. Moreover with the government becoming more active, the spread between LIBOR and the bank rate will fall. Banks will not have to offer high rate saving accounts as they will be able to borrow from the market.
- On the liquidity side, the main issue for me was when will I leave the UK. I now have a date in mind so let's roll !

