What also is troublesome is the company (NOFT Traders) calls and wants to sell other products. Rob Booker is a marketing genius, like most traders in the limelight. I cant speak for his membership that he always pushes, but be careful of the indicators he pushes. He made it sound as if it was the greatest thing since sliced bread,. But I now know better about his word.
An investor can profit from the difference between two interest rates in two different economies by buying the currency with the higher interest rate and shorting the currency with the lower interest rate. Prior to the 2008 financial crisis, it was very common to short the Japanese yen (JPY) and buy British pounds (GBP) because the interest rate differential was very large. This strategy is sometimes referred to as a "carry trade."