The Triple Bottom is the inverse of Triple Top: it is observed as three troughs of similar shape nearly at the same price level, hence the name. While the perfect looking Triple Bottom would have a support line containing all the three troughs, variations are possible. In fact, patterns where the last bottom is higher than the middle one statistically provide better results.
Triple Bottom is commonly regarded as a bullish reversal pattern: it might appear in downtrend or after a flat base, providing equally decent results. It can also appear after an uptrend, but in this case serious decisions are best avoided: the post-breakout activity after an uptrend is erratic and unpredictable. Substantial price rises might be expected in Triple Bottoms where the peak between first two troughs is higher than that between the second two. Volume tends to be falling throughout the pattern formation, however, as opposed to Triple Tops, volume at breakout does not quite affect the results.