A Head and Shoulders pattern is usually considered a bearish reversal pattern. It normally appears after an uptrend and may indicate that the previous upward trend is losing strength. The pattern consists of three peaks.
Confirmation: The pattern is confirmed when the price breaks below the neckline.
An Inverse Head and Shoulders pattern (IHS) is usually considered a bullish reversal pattern. It normally appears after a downtrend and may indicate that the previous downward trend is weakening. The pattern consists of three troughs.
Confirmation: The pattern is confirmed when the price breaks above the neckline.
In simple terms, Head and Shoulders is a bearish reversal pattern that may signal the end of an uptrend, while Inverse Head and Shoulders is a bullish reversal pattern that may signal the end of a downtrend.