What Is a Double Bottom?

What Is a Double Bottom?

What does "double-bottom" mean?

A Double Bottom is a chart pattern in which the price maintains a low twice, fails to break lower on the second occasion, and instead rises upward.

The pattern is defined by a notable decline in price, followed by a minor reversal (or bounce), and then a second drop to the same or comparable level as the initial drop, followed by another large reversal so that the chart resembles the letter "W."

The Double Bottom demonstrates extremely robust levels of support and frequently predicts a significant trend reversal. Double Bottoms occur in a downtrend and reverse once the price breaches the resistance line.

It is a bullish reversal chart pattern because the price holds a lower low twice and then continues to a higher high. The fluctuation between the two minimums should be minimal.

Once the price reaches a higher high than the peak of the bounce between the two lows, the pattern is confirmed. When this resistance level is breached, a bullish trend reversal is confirmed.

Depending on the curvature of the bottom, sudden breakouts can pose an issue for Double Bottoms. The Double Bottom and its opposite, the Double Top, are two of the most familiar chart patterns.


  • A double bottom pattern is a famous technical analysis chart formation indicating a significant trend reversal from a previous decline.
  • The double-bottom design resembles the letter "W." The low that was touched twice is a support level.
  • The double bottom pattern always follows a big or minor downtrend in a particular investment and indicates a potential trend reversal and uptrend beginning.
  • Double bottom patterns are relatively common and can occur in various timeframes.
  • A daily double bottom may imply a longer-term trend reversal or change, whereas an hourly double bottom may indicate only a momentary pause.

Example of a Double Bottom

Advanced Micro Devices' daily trading chart depicts a double bottom in the context of an overall downtrend (AMD). After a sudden, sharp decrease, the first low is met with substantial buying interest, resulting in a long, thin candlestick and a bullish engulfing line .

The succeeding high is roughly 10% above the initial low, indicating that investors should be on the lookout for a further decline at this time, as rebounds from initial lows usually range between 10% and 20%.

The second low of the pattern comes within 3% to 4% of the previous low, supporting the pattern's validity. A level of substantial support has been achieved and tested twice; therefore, traders should anticipate a possible correction higher or possibly a fresh uptrend now that the second bottom has been established.

The pattern is invalidated upon a dip below the double-bottom lows and downside potential restarts. On the other hand, a daily close above the intermediate high indicates a dramatic reversal and maybe the start of a new uptrend.

Double bottom formations are particularly effective when correctly spotted. However, when incorrectly perceived, they can be highly harmful. Therefore, one must exercise considerable caution and patience before drawing conclusions.

The indicator to watch for is a second bottom near the previous low, followed by bullish confirmation in future time frames, such as days or weeks. These patterns are most evident on daily and weekly charts.

Importance of Double Bottom

A double bottom is an indication of sound signals, indicating that the stock has achieved its low, and a continuing price climb typically follows the second bottom.

Double Top and How it is Traded?

A double top is a reversal of a bearish stock price trend. It includes two peaks. After a bullish advance, the price reaches its initial peak, which declines to the neckline.  A second bullish movement then follows it up to the second peak. 

Importantly, the bearish movement following the second peak must be more pronounced than the bearish movement after the first peak in order for the pattern to be classified as a double top. 

Investors that trade during a double top typically sell at the second peak, expecting a precipitous price decline.

How is Trading Performed Throughout a Double Bottom?

As previously indicated, a double-bottom reversal is a bullish stock price movement. It includes two lows. The initial low in diagram 1 occurs after a bearish movement in stock prices, followed by a bullish movement to reach the neckline.

A bullish movement precedes and is followed by the second low. To achieve a double bottom, it is crucial to notice that the second bullish movement must be more significant than the first.During a double bottom, investors typically go long at the second low in expectation of a bullish run.

Strategies for Trading During a Double Bottom

1. Aggressive strategy

At point A of the first figure, traders will employ an aggressive strategy by betting on a double bottom. At the second peak, they will presume the pattern is complete by anticipating a negative swing, thereby enhancing the value of their portfolio.

2. Less aggressive tactic

At figure 1's point B, the double bottom pattern has already occurred. Therefore, from this point forward, the investor will have a smaller potential to earn a greater profit than at point A.

3. conservative approach

At this point, investors will have a great opportunity to earn a profit, as it will be difficult to predict where prices will go in the future.

Strengths and Weaknesses

A double-bottom pattern is among the most powerful reversal patterns available. Given that it has two bottoms, this pattern is uncommon. Nonetheless, once found, the pattern is highly effective at predicting the direction change of a trend.

Its major strength is that it has clearly defined difficulty levels. The neckline denotes risk and aids in determining the take profit once the pattern has been confirmed. Consequently, the accurate drafting of the double bottom is crucial.

The double bottom pattern is a contrarian technique, which is its primary weakness. Don't forget that the overall trend is bearish, and we are in a "long" position.

Consequently, there is always the possibility that the market may continue to move in the same direction. Before entering the market, it is crucial to review supporting variables in the context of other technical indications.

The Conclusion

Double bottom formations are among the most important chart patterns for spotting longer-term shifts in trends, signifying that a substantial low has been hit for the foreseeable future.

After reaching the second low, the pattern normally implies a 10% to 20% rebound. Still, there may be an additional upside if the fundamental environment has shifted in favor of security.

For instance, a strong forecast for future earnings could spark a new uptrend. Identifying double bottoms visually using reasonably long-term charts is most effective (daily and weekly).

The lows do not have to be identical, but they should be within 3% to 4% of one another. The first retracement's highs (about 10 percent) serve as the lowest measured objective level for the potential for an upswing.

If the bottom is within 3% to 4% of the previous low, the pattern is concluded by a pullback and a second test of downside support. Traders should watch for upward price movement after the formation of a double-bottom pattern.

If the high in the middle of the pattern is breached after the second bottom has formed, it indicates additional upside potential and maybe the beginning of a new uptrend.


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