The chart below showed a downward-sloping bullish wedge of USD/JPYat the end of year 2003. Notice that there was a plummet before thewedge formation, confirming the strong downtrend. The price then fellfurther down with narrower range, which formed the wedge. At thebeginning of February 2004, the price broke above the wedge edge andsurged to a peak around 112.00.

Below is a chart of a rising wedge. The price of EUR/USDconsolidated from March 2004 to October 2004. It finally surged above1.2550 in October 2004, where it broke through the upper wedge edge andcontinued to rise further. Generally speaking, traders can notice thedominant trend and the break out usually favors the dominant trenddirection. Nonetheless, wedges are signs of price consolidation, theydo not exactly indicate which direction the price is going to breakthrough.
