"What does “Double Top” and “Double Bottom” mean?"

[sarahfx]

"Double Top"and “Double Bottom” are common chart patterns, which frequently appears in forex trading and forex analysis.
As the model of a double top is just like the letter "M". It is also called “M pattern”. For the same reason, a "Double Bottom" is called “W pattern”.
Ideal example of a “Double Top” has two outstanding peaks that are of roughly the same rate.
In other words, both maxima (resistance lines) are almost the same level.