Hammer Candlestick
A single-candle pattern where sellers hammered prices lower but buyers pushed back hard — a classic early sign of a potential bullish reversal.
Definition
A Hammer Candlestick is a single-bar reversal pattern characterised by a small real body positioned at or near the top of the candle, a long lower shadow at least twice the length of the body, and little to no upper shadow. It gets its name from the visual resemblance to a hammer head with a long handle pointing downward. The Hammer is considered a bullish signal when it appears after a downtrend, suggesting that although sellers dominated early in the session, buyers ultimately wrested back control. It is closely related to the Shooting Star, which is the bearish mirror image at the top of an uptrend.
Why it matters
Indian equity markets, particularly on the NSE, frequently see Hammer formations at key support zones — for example at round-number levels on Bank Nifty or after large overnight gap-downs. For intraday and swing traders, the Hammer provides a defined risk setup: the low of the Hammer candle acts as the natural stop-loss level, because a breach of that low would invalidate the bullish thesis. In the F&O segment, the pattern can serve as a trigger for traders considering buying calls or closing short positions. The reliability of the Hammer improves significantly when it coincides with high volume, an oversold RSI, or a prior support level.
How it works
A valid Hammer requires three structural elements: first, the market must be in a prior downtrend so that the pattern has reversal context; second, the lower shadow must be at least two times the length of the real body; third, there should be minimal or no upper shadow. The colour of the real body — bullish green or bearish red — is secondary, though a green body is marginally stronger because it shows the close was above the open. The session following the Hammer is crucial: if the next candle closes above the Hammer's body, the reversal signal is considered confirmed and traders may act with greater confidence.
Example
Suppose a hypothetical midcap stock on BSE has fallen for five consecutive sessions from 1,200 to 980. On the sixth day it opens at 985, sells down to 940, but buyers step in strongly and the session closes at 992. The real body spans 7 points while the lower shadow spans 52 points — well over two times the body. This Hammer forms near a prior support at 950. On the seventh day the stock opens at 998 and closes at 1,025, confirming the reversal. A trader who entered above the Hammer's close with a stop below 940 would have a clearly defined risk level. These are illustrative figures and do not represent any actual security.
Find Hammer setups with live data
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