The U-shape time series currency band indicates for USDCAD to upward in long term. The S-curve band also indicates for the USDCAD to upward in medium term and to downward in short term by the sterilization. The time series interest rate differential based currency band also to indicate for the USDCAD to upward in medium term and to downward in short term by the sterilization. The estimated medium term target zone 1.3100-1.4100 and at such the USDCAD will continue to upward for visiting the 1.4100 in the near.