A hammer is a small body at the top of the range with a long lower wick, appearing after a decline. Exactly the same shape after a rally is a hanging man and means the opposite - which is why location, not shape, is the lesson.
A hammer is a candle with a small body near the top of its range and a long lower wick, at least twice the body, forming after a decline: lower prices were rejected. The identical shape after a rally is a hanging man and reads the opposite way. Confirmation is usually the next candle closing above the hammer's high.

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Open the live chart →A candle with a small real body near the top of its range and a long lower wick, ideally at least twice the body, with little or no upper wick. It forms after a decline. The shape says price was driven down during the period and bought all the way back - lower prices were rejected.
| Candle | Shape | Where | Reads as |
|---|---|---|---|
| Hammer | Small body top, long lower wick | After a decline | Lower prices rejected |
| Hanging man | Identical | After a rally | Sellers appearing |
| Inverted hammer | Small body bottom, long upper wick | After a decline | Buyers testing higher |
| Shooting star | Identical to inverted hammer | After a rally | Rally rejected |
Two shapes, four names, and the only difference is the trend that preceded them. That is what the drill above tests, because it is the mistake that actually costs money.

The hammer/hanging man trap is best unlearned on charts that cost nothing. Chart Bound replays real tape, free.
Play free, no signup →On its own a hammer is a candle, not a signal. The usual confirmation is the next candle closing above the hammer's high, and the strongest context is a hammer forming at a level you had already marked - see supply and demand zones or a swept low. The stop generally sits below the wick, which also sets the position size: the longer the wick, the smaller the position.
That price was pushed well below the open during the period and bought back before the close, leaving a long lower wick. After a decline it reads as rejection of lower prices.
Nothing in the shape. A hammer appears after a decline and reads as bullish rejection; the identical candle after a rally is a hanging man and warns that sellers are appearing.
Usually the next candle closing above the hammer's high. Without it, the candle is just a wick.
Most traders place it below the hammer's low. A long wick means a wide stop, which means a smaller position for the same money at risk.
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