If the Forex market moves up and then drops back down some, the highest point that it has reached before the drop down is now resistance. As the market goes back up again, the lowest point which it reached before it starts to climb again is now the support. An uptrend line, in its most basic form, is drawn along the identifiable valleys, or support areas.
In the 1980s, John Bollinger, a long-time technician of the markets, developed the technique of using a moving average with two trading bands above and below it. Unlike a percentage calculation from a normal moving average, Bollinger bands simply add and subtract a standard deviation calculation.
The majority of Forex traders use technical analysis to try to get an overall view of their investment’s price movements. We explain forex technical analysis.