There is a tried and tested approach to forecasting when the US Federal Reserve might increase interest rates. You figure out what data the Federal Open Market Committee, which sets rates, is looking at and try to decide how it is being interpreted ...
The Fed nailed it (SPY, DJI, IXIC, USD, TLT, TLO, GLD, GLX)
Newton Press Mentor
United States stocks gain after Fed Chief Yellen remarks