A body with nothing left over: no upper shadow, no lower shadow, open sitting at one extreme and close sitting at the other. Bullish, it opens at the low and closes at the high — bearish, the exact reverse. It is the plainest shape in the whole language of candles — and the easiest to misread.
The Sakata rice-trading ledgers name a body with nothing growing off either end marubozu — «round head», a shaved head — the same word used for a close-cropped monk. A shape named for what it lacks, not what it has.
Western bar charts have no body to begin with, so a session with zero shadow looks identical to one with long shadows on the tick alone. Without a body, there is nothing to go bald.
Steve Nison's 1991 translation carries the bald-head family into English whole: the full marubozu, the opening marubozu, the closing marubozu — three degrees of the same shaven shape, depending on which end (if any) keeps a sliver of shadow.
Every scanner flags a zero-wick body instantly now. What it can't tell you is whether this session is the first candle of a breakout or the last candle of an exhausted trend.
A bullish marubozu opens at the exact low of the session and closes at the exact high. A bearish marubozu opens at the exact high and closes at the exact low. No upper shadow, no lower shadow — one side of the tape never got a chance to push back at all.
A bullish marubozu is a full body from the open at the low to the close at the high — buyers in control for the entire session. A bearish marubozu is the mirror: open at the high, close at the low — sellers in control for the entire session, wire to wire.
Out of a base or range, a marubozu is the clearest statement the tape can make: full conviction, no hesitation anywhere in the session. At the end of an already-extended trend, an oversized marubozu can be the opposite — a climax, the last uncontested gasp before the trend runs out of participants. Same shape, opposite address, opposite odds.
After the fastest bear market on record, a session opens near its low and grinds to a close near its high with almost nothing left over on either end — one of the strongest single-session advances of the modern era, arriving alongside the Fed's emergency stimulus announcement.
A session opens near its high and grinds the other way all day, closing near its low with almost no recovery wick — one of the heaviest single-day marubozu declines of the entire COVID crash.
As news of a major exchange's insolvency spreads overnight, a session opens near its high and closes near its low with almost no recovery wick on either end — a bearish marubozu recording the moment confidence broke.
A stock has spent six weeks compressing inside a tight range. Today it opens right at the top of that range, never dips back into it, and closes at the day's high with no wick on either end. What did the tape just record?
The same shape prints — but only after eleven straight weeks of uninterrupted advance, on the heaviest volume of the entire move. The lean?
A candle closes at its high with a tiny upper wick — maybe 4% of the day's range — after gapping up from the prior close. Is it still a marubozu worth trusting?
One session, watched as it happens. The candle builds tick by tick on the left — and the mark it leaves in the ledger on the right. Same shape at a breakout, at a breakdown — and the identical shape that marked exhaustion instead.
A tape, and a zero-wick candle at the end of it. Weigh what came before — a base, a floor, or an already-tired trend — then call it: long, short, or stand aside. The shape never changes. The odds do.
The classic error is trusting every zero-wick candle equally, regardless of what preceded it. But the marubozu is a photograph of one session's conviction, not a forecast. The discipline is to always ask what came before it — a base, a range, or an already-extended run — before trusting the shape's message.
From a shaved head in the Sakata ledgers to every scanner alive today, the marubozu records the same permanent fact: one side of the session never got a vote. Measure the wick, weigh the address, and never mistake the shape for the whole sentence — a breakout candle and a climax candle are built identically.
«Seeing once is worth more than hearing a hundred times.»