what is a reversal 
a reversal is a change in the price direction of an asset a reversal can occur to the upside or downside following an uptrend a reversal would be to the downside following a downtrend a reversal would be to the upside reversals are based on overall price direction and are not typically based on one or two periods bars on a chart certain indicators such a moving average oscillator or channel may help in isolating trends as well as spotting reversals reversals may be compared with breakouts 