DEFINITION of 'Triple Bottom'

A triple bottom is a bullish chart pattern used in technical analysis that's characterized by three equal lows followed by a breakout above resistance.

BREAKING DOWN 'Triple Bottom'

The triple bottom chart pattern typically follows a prolonged downtrend where bears are in control of the market. While the first bottom could simply be normal price movement, the second bottom is indicative of the bulls gaining momentum and preparing for a possible reversal. The third bottom indicates that there's strong support in place and bears may capitulate when the price breaks through resistance levels.

There are a few rules that are commonly used to qualify triple bottoms:

  1. There should be an existing downtrend in place before the pattern occurs.
  2. The three lows should be roughly equal in price and spaced out from each other. While the price doesn't have to be exactly equal, it should be reasonably close to the same price, such that a trend line is horizontal.
  3. The volume should drop throughout the pattern in a sign that bears are losing strength, while bullish volume should increase as the price breaks through the final resistance.

The price target for a double bottom reversal is typically the distance between the lows and the breakout point added to the breakout point. For example, if the low is $10.00 and the breakout is at $12.00, the price target would be (12 - 10 = 2 + 12 = 14) $14.00. Stop-loss points are usually placed just below the breakout point and/or below the triple bottom lows.

The triple bottom is similar to the double bottom chart pattern and may also look like ascending or descending triangles. Traders always look for confirmation of a triple bottom using other technical indicators or chart patterns. For example, traders might note that the stock has an oversold relative strength index (RSI) before a double bottom forms and/or look for a breakout to confirm that it's a triple bottom rather than a descending triangle or other bearish pattern.

Example of a Triple Bottom

The following chart shows an example of a triple bottom chart pattern.

Triple Bottom Chart Example

In this example, Momenta Pharmaceuticals' stock formed a triple bottom and broke out from trend line resistance. The difference between the third bottom and the breakout point was about $1.75, which translated to a take-profit point of around $15.50 on the upside. The stop-loss point could have been placed at around $13.50 to limit downside risk as well.

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