Hammer

The Hammer is a single-candle pattern defined by its shape: a small real body near the top of the range and a long lower shadow — at least twice the body length.

The name comes from exactly what it looks like: a small head sitting on a long handle, like a hammer striking the ground. The metaphor fits — the market is trying to hammer out a bottom.

Every candlestick is a compressed story. The Hammer's story is about a power shift that happens in a single session. Here's what's actually going on:

Here's what many traders get wrong: the Hammer doesn't mean buyers have taken over. It means bears lost their grip — for one session. That's the first crack in a downtrend, not the reversal itself.

Whether that crack turns into something bigger depends entirely on what happens next. Think of the Hammer as a question, not an answer: "Are sellers still in control?" The next candle provides the answer.

The Hammer has siblings that look almost identical but carry completely different messages. Confusing them is one of the most common mistakes in candlestick analysis. The difference isn't the shape — it's the context.

Same candle shape, opposite signals — entirely because of where they appear. A Hammer at the bottom of a decline is bullish. The exact same shape at the top of a rally is a Hanging Man, and it's bearish. Context is everything.

The Hanging Man is the same physical shape as the Hammer — long lower shadow, small body near the top — but it appears after an uptrend instead of a downtrend. Buyers had been in control, then sellers pushed price down and buyers couldn't fully reclaim it. It's a bearish warning where the Hammer is a bullish reversal — same candle, opposite read.

The Dragonfly Doji is the one that trips people up the most. It looks almost identical to a Hammer — long lower shadow, close near the high — but the key difference is the body. A Hammer has a small but visible real body. A Dragonfly has essentially no body at all (open ≈ close ≈ high). Both signal sellers were rejected; the Hammer leans directional, the Dragonfly leans indecisive.

The Inverted Hammer is the mirror — same downtrend setup, but the long upper shadow signals buyers' first real attempt to overtake the sellers. The push didn't hold this session, but it's the first time bulls challenged the trend.

The Hammer is one of the most recognized patterns in trading — and one of the most misused. Here's the difference between how beginners trade it and how experienced traders trade it.

Three lenses decide whether a Hammer is a real rejection or just a volatile candle: volume, structure, and momentum. Each gets its own dedicated guide; this is the quick orientation.

Volume — was the rejection fought or drifted into? A Hammer on heavy volume means real money showed up to defend the low — buyers absorbed every contract sellers threw at them. The strongest version is heavy volume on the selloff that dries up as price recovers: bears used up their ammunition and couldn't hold the low. A Hammer on light volume is just an empty wick. Read the Candlesticks + Volume guide →

Structure — where on the chart did the Hammer form? A Hammer at the 50-day or 200-day moving average, a Fibonacci retracement, or prior horizontal support is forming where buyers have shown up before — the location does half the work. A Hammer in empty space, far from any level, is probably just intraday volatility. Read the Candlesticks + Moving Averages guide →

Momentum — is selling stretched or just resting? A Hammer when RSI is below 30 is the side that was pushing hard finally running out of fuel — the reversal has physics behind it, not just hope. A Hammer when RSI is mid-range often means the decline still has room to run. Read the Candlesticks + RSI guide →

Here's a Hammer that passed every filter — the kind of setup the pattern is actually designed to flag.

Before the Hammer. Rocket Lab ($RKLB) had run hard into a July 2025 peak near $51.85, then started grinding lower — lower highs, lower closes, steady distribution. By mid-August the stock had given back more than 20% from the high and was sitting right on the 50-day moving average.

The Hammer prints. Sellers pushed price below the 50-day MA intraday — the kind of break that usually triggers stops. But by the close, buyers had reclaimed nearly all of it. The candle settled near $40.69, leaving a long lower shadow stretching down through the MA. The break failed; the level held.

The next session. Price closed above the Hammer's high. That's the confirmation: buyers didn't just defend the low, they followed through. From there, the bounce ran back toward the prior peak over the following weeks.

Why this one was tradeable. Real downtrend (multi-week decline, not a two-day dip), structural level (50-day MA, the most-watched dynamic support), strong lower shadow (clean rejection through the MA and back), and next-session follow-through. Four boxes checked before the entry.

The Hammer is simple to identify and easy to misuse. Most failed Hammer trades don't fail because the pattern was wrong — they fail because the trader skipped a step.

The Hammer is the market's way of saying: "Sellers tried. They failed."

It doesn't promise a reversal. It doesn't guarantee profits. What it does is mark the exact session where bearish momentum broke down — and that's valuable information.

When you see a Hammer after a clear decline, at a meaningful support level, followed by a confirmation candle with conviction — you're looking at one of the most reliable setups in candlestick analysis. Not because the pattern is magic, but because you've stacked enough context to give yourself a genuine edge.