How long does a pullback usually last?

Length matters less than structure, and it varies with the stock and the timeframe you watch. As long as price holds above the last swing low in an uptrend, the move is still a pullback, however many sessions it takes.

What is the difference between a pullback and a correction?

The words overlap. Pullback usually describes a shorter, shallower dip inside a trend on one stock's chart, while correction tends to be used for a larger decline in a stock or an index. Commentators sometimes attach a percentage to a correction, though no rulebook sets one, so judge the chart by its swing lows.

Should you buy a pullback or wait for a breakout?

Both can work, and they carry different risks. Buying a pullback near the last swing low gives a closer stop and a better price, with the danger that the dip turns into a reversal. A breakout entry costs more per share and shows buyers in control, with the danger of a false break that falls back into the range.

Pullback: A Pause Inside a Trend, and How to Read One

Your stock climbed from $40 to $50. It has spent the past few sessions giving some back. Now it sits at $46.50. You want to know whether to buy more, hold, or get out, and the answer depends on one level you can find on the chart in a few seconds.

Measuring the depth

Depth is usually stated as a share of the advance that came before it. The arithmetic takes two steps.

That is a fairly shallow retracement. Shallow pullbacks tend to go with strong trends, because buyers step in before the price has given back much, while deeper ones are common too, and none of the popular retracement percentages is a rule the market has agreed to follow, however often they get drawn on charts.

The swing low matters more than the percentage. At $44, it is the last place buyers turned the stock higher. A pullback that holds above it leaves the pattern of higher swing lows unbroken.

The same reading works upside down. In a downtrend, a pullback is a bounce and the line is the last swing high: rallies that stall below it keep the pattern of lower highs intact, and a close above it is the first sign the decline may be over.

Pullback or reversal

Three things lean toward a pullback:

Down days come on lighter volume than the advance had.
Price holds above the last swing low.
The decline is shallow compared with the move before it.

Two things lean toward a reversal. The first is a break of that swing low, particularly on a closing basis. The second is heavy volume on the decline. That suggests committed sellers, and more than profit-taking by early buyers.

None of these is proof. A pullback can have one heavy volume day and still hold. A reversal can start quietly, on light volume, and only look obvious in hindsight. Taken together, though, they give you a reading you can act on. They also give you a clear point for admitting the reading was wrong.

Where it shows up on your screen

On a daily chart, it is a run of red bars after higher highs. Many charting tools have a retracement drawing tool: you click the swing low where the advance began and the swing high where it ended, and it draws horizontal lines at common percentages between them. Those lines help you measure. They do not predict.

Volume bars sit under the price on most charts. Compare the bars during the pullback with the bars during the advance, since the ratio between the two tells you more than any single day’s number.

Two ways to enter

The first is to buy at a level. You pick a price where you expect support, such as a prior breakout point or a zone just above the swing low, and place a limit order there. You get a better price if it fills. The risk is a fill on the way to a much lower price. The market reached your level while breaking down.

The second is to wait for confirmation, meaning the first day that closes back in the direction of the trend, and enter after that close or on a move above that day’s high. You pay more. In exchange, you have evidence that buyers have returned. An inside bar near the bottom of a pullback is one common version of this, since the narrow bar’s high gives you an exact trigger price for a buy stop and its low gives you a nearby reference for how wrong the entry is allowed to get.

Either way, the stop goes below the swing low, here $44. The distance from your entry to that stop is your risk per share, and the swing trade risk calculator turns that distance into a position size for your account.

What people get wrong

The main error is calling every decline a pullback. That label is only earned while the structure holds, and traders who keep adding as a stock slides through its last swing low have turned a pullback trade into a hope.

The second is treating retracement percentages as targets the stock has to reach. A strong stock may retrace only 20% of its advance. Meanwhile you sit waiting for a 50% pullback that never comes.

After an earnings gap, the first pullback toward the gap is a special case, and letting the earnings gap be tested argues for waiting to see it hold. For more swing trading terms, see the swing trading topic page.