USD and World Market

USD is a major powerful currency of the world which is most surrounding and movable and easily acceptable all over the world. Few things remaining good which is its rate and consistency. However, the resistance at .9900 seems to be holding. I'm thinking if I should exit this trade now in case the housing starts report goes in favor of the CAD. You can always catch the down from the high. USD/CAD's pretty much trading sideways on the weekly at present. Its play a a major role in world economic and forex work.