Three Stars in the South Candlestick Pattern: Rules, Trading and Real Data

The three stars in the south candlestick pattern is a rare three-candle bullish reversal pattern that forms at the end of a downtrend. All three candles are bearish, but each one is smaller than the one before, with a higher low: the selling continues, yet it loses strength from one session to the next.

This guide covers the definition, the rules to identify it on a chart, the psychology behind it, how traders trade it, and how rare it really is. We scanned full price history on stocks, crypto, forex, ETFs, indices and commodities with one fixed detection rule. With that rule, our bench found only a handful of cases across all markets and timeframes, too few to measure any edge. We show what that means for your trading.

What is the three stars in the south pattern?

It is a bullish reversal candlestick pattern made of three consecutive black (bearish) candles after a downtrend. The first candle is long, with a long lower shadow. The second is a smaller version of the first, with a higher low. The third is a small black marubozu, a candle with almost no shadows, that sits entirely inside the range of the second candlestick. Each candle has a higher low than the one before it, and the price range shrinks bar after bar.

Definition and structural rules

The open-source TA-Lib library codes the formation as the CDL3STARSINSOUTH function. Our test bench uses an equivalent rule, written so a computer can apply it without judgment:

• a downtrend before the pattern (the close before the first candle is at least one average true range below the close 10 bars earlier, in the lower half of the last 40 closes);
• candle 1: a long black candlestick with a long lower shadow;
• candle 2: a smaller black candle that opens above the first close, trades lower but makes a higher low, and keeps a lower shadow;
• candle 3: a small black marubozu (very short upper and lower shadows) whose high and low are inside the range of candle 2.

Sizes are measured against the 10 prior candles, as in TA-Lib. The chart below is a schematic drawing of the rule, not measured data: with so few cases there is no median shape to show. It carries the lines of the position we test, with entry above the high of the pattern, stop loss below its low and target at twice the risk.

Identification: how to spot the pattern on a chart

Check the trend first, then each candlestick in order. If one condition fails, it is a different pattern.

The first candle: long bearish candle with a long lower shadow

The market is falling and prints a long bearish candle. The session extends well below the body, then buyers push price back up before the close. That long shadow is the first sign of buying interest after a run of selling.

The second candle: smaller bearish candle with a higher low

The second session opens above the first close, trades lower, but does not reach the first low. It closes under its open, so the bears still win the session, with a smaller body and less progress.

The third candle: small marubozu inside the prior range

The third candle is a small black marubozu: open at or near the high, close at or near the low, with only very short shadows. Its whole range sits inside the range of the second candlestick. It is not a doji: it has a real body, but a short one. The market barely moves, and the decline stalls.

The psychology behind the pattern

The formation tells the story of a decline running out of fuel. On the first session, sellers are in control and push price to a new low, but buyers absorb part of the selling and lift price off the bottom: the long lower shadow. On the second session, sellers try again from a higher open, but they cannot reach the previous low. On the third, the market hardly moves at all. Selling pressure is shrinking, and short sellers become uneasy as lows rise.

That is why the setup is read as a reversal signal, even though no candle in it is bullish. The reading is about momentum, not color: three black candles, but each one with a higher low and a smaller range. Steady shrinking ranges after a decline can show indecision rather than a reversal, which is why the trade we test waits for price to break above the high of the pattern.

Step-by-step guide to trading it

Because the pattern has no bullish candle of its own, the trade waits for the market to prove the reading.

Confirming the trend context

Check that the pattern follows a real downtrend, not a sideways range. Look at where it forms: near a support level, a prior swing low or a rising long-term moving average, the reading has more context. In the middle of a steep fall, classic analysis reads it as a pause; our sample is too small to check.

Setting entry points after the pattern

The classic entry is a buy stop just above the high of the pattern, usually the high of the first candlestick. Other entries use an earlier level, the midpoint of the third body, or wait for a bullish candle that closes above the third candlestick. Our bench tests the buy stop above the high: if price breaks the low of the pattern first, the setup is canceled before any trade.

Placing stop-loss orders for risk management

The stop goes under the first candle, the bottom of the whole pattern. If price trades under it, the rising lows that made the case for a reversal are gone. Because the first candlestick is long, the stop is wide; our bench found too few cases to measure a typical width. Size the position on the distance from entry to stop.

Identifying profit targets

The candlestick pattern gives no price objective. The target we simulate is twice the risk (a 2:1 reward-to-risk ratio). Another is the next resistance level above price, such as the start of the last leg down. Decide the exit before entry.

Advantages of using it

• Clear rules: three black bars with rising lows and a shrinking range are easy to check.
• Defined risk: the low of the pattern is a natural stop.
• It describes a real feature of price, selling that fades after a decline, that traders can combine with other tools.

Limitations and common pitfalls

Rarity of the occurrence

This is the main limit. On our data, its strict rule found only a handful of cases across all markets and timeframes, while the hammer appears once every 552 daily bars and the morning star once every 2,592. A trader who waits for it can watch a large stock list for years without seeing one. Loosening the rules to see it more often means trading a different pattern.

Risk of false signals in strong trends

Shrinking bars inside a strong decline can be a pause before the next leg down. Without a close above the high, the pattern is only a sign that selling is slowing.

Entering before confirmation

Comparing it with other reversal patterns

Several three-candle patterns read a change of momentum at the end of a trend. They differ in what the candles do.

Versus the hammer

The hammer is a single candle with a long lower shadow after a decline: rejected selling in one session. The pattern here spreads the same idea over three sessions, starting with a hammer-like first candle that still has a long body. The hammer is common and has been tested on 15,363 daily cases: 50.7% were higher 10 days later, against 53.3% for random days on the same assets, and its average excess return (−0.10%) is not statistically significant.

Versus the morning star

The morning star is a long bearish candle, a small star that gaps lower, then a long bullish candlestick closing well into the first body. It ends with buyers clearly in control, which this pattern never shows. On 3,039 daily cases (2,366 closed trades), the morning star reached its 2:1 target 40.6% of the time, against 34.2% for the same trade on random dates, but its average result per trade did not pass our statistical test.

Versus the unique three river

The unique three river is its closest relative: a long black candle, a smaller black candlestick with a lower low, then a short white candle. It is also rare, once every 78,071 daily bars on our data, but common enough to test: on 97 daily cases it showed no clear edge over the rest of the market.

Versus three black crows and three white soldiers

Three black crows are three long black candles after an uptrend, each closing lower: a bearish reversal at full speed. Here the three candles appear after a decline and shrink. Three white soldiers are the bullish counterpart of the crows: three long white candles, the kind of strong confirmation the bullish reading of this pattern waits for.

Combining with technical indicators

With so few cases, no indicator filter can be tested on this formation itself. These are context tools from classic analysis, not filters we have measured.

Using relative strength index for confirmation

A classic filter looks for the RSI below 30 (oversold) during the pattern, or a bullish divergence: lower closes while the RSI makes higher lows. That matches the idea of fading selling momentum. We have not tested an RSI filter on it.

Incorporating volume analysis

The textbook reading wants volume to shrink with the candles: less volume on each black candle means less conviction from sellers. In that reading, a jump in volume on the bullish candlestick that breaks the high adds weight to the reversal. We have not tested volume on this pattern.

Combining with support and resistance levels

A pattern at a support zone (a prior low, a round number, a moving average) gives the stop a second reason to sit where it is. The nearest resistance above gives a natural target and tells you whether a 2:1 trade has room.

Best timeframes for trading this pattern

The candles are defined the same way on every timeframe. Our bench found only scattered cases, on hourly and 4-hour crypto charts, never often enough to judge it, so we cannot say which timeframe suits it best.

Reliability and success rate

The honest answer is that its reliability is unknown. Our test bench compares the outcome of every case with random bars on the same assets. It needs at least 30 cases to give a verdict, and this pattern never reached that number on any market or timeframe. The count itself is marked unverified: our visual audit could read only one chart of this pattern, so the precision of the rule is not established.

Because the strict rule finds so few cases, the statistics panel of this page lists raw figures with no verdict: 5 cases and 3 trades on hourly crypto, fewer still elsewhere. Those percentages are not results. A setup is canceled when price breaks under the pattern before it breaks above the high, and a handful of trades cannot separate a real edge from luck: each one would carry a large share of any success rate. Be careful with any precise success rate quoted for it elsewhere, and check which definition and how many cases it rests on.

No forex occurrence appeared in our data. For comparison, related reversal patterns with enough cases (the hammer, the morning star, the unique three river) showed no clear edge over the rest of the market on daily charts. The method is published in our methodology.

Real-world examples of the pattern in action

Our bench found only a handful of three stars in the south, all on hourly and 4-hour crypto charts, none on daily charts, and our visual audit could read only one chart of them. We show no real case on this page rather than a doubtful one.

The three ways a setup ends

A setup ends in one of three ways. Price breaks the high first and the trade opens, then reaches either the 2:1 target or the stop. Or price breaks the low first and the setup is canceled. With so few cases, we cannot say how often each outcome happens.

A few cases could not show whether the pattern works anyway. What the rule shows is why the trade waits for a break of the high, and why the stop matters.

Frequently asked questions

Summary of key takeaways for traders

• Three black candles after a downtrend, each smaller with a higher low, the last a small marubozu inside the second range.
• It is read as a reversal signal because selling momentum fades, not because buyers appear.
• It is extremely rare: our strict rule found only a handful of cases across all our markets and timeframes.
• With fewer than 30 cases on every market and timeframe, its success rate cannot be measured.
• Trade it, if at all, with a buy stop above the high, a stop below the low and a fixed risk per trade.

Final thoughts on risk management

A pattern as rare as the three stars in the south cannot be the core of a trading plan. If you see one, treat it as a location for a potential trade: define the stop below the low before entry, size the position on that distance, and keep the risk per trade small. Any edge has to come from the context you combine it with. This guide is educational, not investment advice: you can lose money on any setup.

About the author and the data. Written by Amaury, founder of PatternsWizard, who is passionate about finance, quantitative trading and data analysis. He built the PatternsWizard test bench, which applies the same published rules to full market history: crypto, forex, US stocks, ETFs, indices and commodities. Trades and win rates are compared with random bars on the same assets, excess returns with the rest of the market, with error margins and a correction for multiple testing, and the whole pipeline is checked on random-walk prices, where nothing can be predicted. Statistics on this page were generated on November 5, 2026. The full methodology explains every step.