double bottom

noun

Definition of double bottom 

1 : the space in a ship between the inner bottom and the shell plating

2 : a market decline on the stock exchange characterized by two successive low points and regarded by chart readers as a prelude to a recovery — compare double top

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double bottom

noun

Financial Definition of double bottom

What It Is

The double bottom -- one of the many charting patterns used in technical analysis -- is characterized by a fall in price, followed by a rebound, followed by another drop to a level roughly similar to the original drop, and finally another rebound.

How It Works

The double bottom charting pattern is among the most commonly occurring charting patterns, and closely resembles the letter "W". This "W" pattern forms when prices register two distinct lows on a chart, as illustrated with Bottom #1 and Bottom #2 in Figure 1 below.

Double bottom patterns can appear in charts that are intraday, daily, weekly, monthly, yearly, and longer-term.

According to technical analysts or "chartists", the second bottom can be rounded while the first bottom should be distinct and sharp. The pattern is complete when prices rise above the highest high in the formation. The highest high is termed the "confirmation point".

Typically, a double bottom's volume is greater on the left of the bottom than on the right. Volume usually is downward as the pattern forms and accelerates as the pattern hits its lows. Volume increases again when the pattern completes, punching through the confirmation point.

Why It Matters

If accurately identified, the double bottom charting pattern can signal a fortuitous entry point for smart investors. To chartists, the double bottom formation indicates that the stock has reached a crucial support level and is encountering difficulty moving lower. That implies the stock has formed a low and is now positioned for an upward move.

[Improve your technical analysis study habits of market movement by reading: Top Tools for Successful Technical Analysis: Introduction]

Source: Investing Answers

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