Price ActionBeginner

Piercing Line and Dark Cloud Cover

The piercing line and dark cloud cover are mirror-image two-candle reversals. A piercing line opens below the prior bearish close and closes above its midpoint; a dark cloud cover opens above the prior bullish close and closes below its midpoint.

Both patterns tell the same story in opposite directions: the market opens with a burst in the trend's direction, then reverses hard enough to wipe out more than half of the previous day's move. The piercing line marks a possible bottom, the dark cloud cover a possible top. This entry explains the rules, the midpoint test and how to confirm them.

Category
Price Action
Reading time
4 min
Also called
Piercing line, Piercing pattern, Dark cloud cover
Updated

The two patterns in plain words

A piercing pattern pairs a black candle with a white one; the white candle opens below the prior close and closes above the midpoint of the black body.1

A dark cloud cover pairs a white candle with a black one; the black candle opens above the prior close and closes below the midpoint of the white body.2

A further move in the new direction on the third candle provides confirmation.3

How to spot them, step by step

  1. Identify the trend

    Down for a piercing line, up for a dark cloud cover. See Trend.

  2. First candle

    A large body in the trend's direction.

  3. Open beyond the close

    The second candle opens past the first's close.

  4. Cross the midpoint

    It closes beyond the middle of the first body.

  5. Wait for confirmation

    A follow-through candle the next session.

  6. Set the stop

    Beyond the pattern's extreme. See Stop Loss.

Worked examples

Example 1 — Piercing line

Valid piercing line

Day 1: open $60, close $54. Day 2: open $53, close $58.

Example 1 — Piercing line — calculation
Day 1 midpoint($60 + $54) ÷ 2 = $57
Day 2 close$58 > $57

The white candle opened below the previous close and closed above the black body's midpoint.1

Example 2 — Dark cloud cover

Valid dark cloud cover

Day 1: open $100, close $110. Day 2: open $112, close $103.

Example 2 — Dark cloud cover — calculation
Day 1 midpoint($100 + $110) ÷ 2 = $105
Day 2 close$103 < $105

The down candle opened above the up candle's close and closed below its midpoint.3

Example 3 — Not deep enough

No pattern

Day 1: open $100, close $110. Day 2: open $112, close $106.

Example 3 — Not deep enough — calculation
Midpoint$105
Day 2 close$106 — above the midpoint

Closing above the midpoint fails the rule, so this is not a dark cloud cover.2

Piercing line vs dark cloud cover

AspectPiercing lineDark cloud cover
Trend beforeDownUp
CandlesBlack, then whiteWhite, then black
Second openBelow prior closeAbove prior close
Second closeAbove midpointBelow midpoint

How traders use these patterns

  • Bottom and top signals

    Flagging possible trend changes.

  • At support and resistance

    Stronger at tested levels. See Support and Resistance.

  • Exit signals

    A dark cloud cover can prompt taking profits.

  • With volume

    High volume on day 2 adds weight. See Volume.

Advantages and disadvantages

Advantages

  • Clear, rule-based definitions.
  • The midpoint test is objective.
  • Shows a real shift within two sessions.

Disadvantages

  • Weaker than an engulfing pattern.
  • Gaps at the open are rare in 24-hour markets.
  • Needs confirmation.

Going deeper

Read as far as you need. Each level builds on the one before it.

Context first

Beginner

A dark cloud cover after a sharp decline or near new lows is unlikely to be a valid bearish reversal; there must be an uptrend to reverse.2

Location matters

Intermediate

Piercing lines usually appear at the bottom of a downtrend, where buyers start pushing for a reversal.4 See Support and Resistance.

Engulfing's little brother

Advanced

If the second candle closes beyond the entire first body, the pattern becomes an engulfing pattern, generally seen as stronger. See Engulfing Pattern.

Common mistakes

  1. Skipping the midpoint check

    Less than halfway is not the pattern.

  2. Ignoring the trend

    Context decides validity.

  3. Trading without confirmation

    Wait for the next candle.

  4. Forcing it in forex

    Opening gaps are rare in continuous markets.

Check your understanding

Test yourself before moving on. Each answer comes with an explanation.

Q1Day 1: open $40, close $36. Day 2 opens at $35. Above what price must it close for a piercing line?
Q2Where does a dark cloud cover's second candle open?

Key points to remember

  1. Both are two-candle reversal patterns.
  2. Piercing line: bullish, closes above the prior midpoint.
  3. Dark cloud cover: bearish, closes below the prior midpoint.
  4. They need a prior trend and confirmation.
  5. Closing beyond the whole body makes it an engulfing pattern.

Frequently asked questions

Which is stronger: piercing line or engulfing?

The engulfing pattern, because it reverses the whole previous body.

Does the second candle need a gap?

Classic rules want it to open beyond the prior close; in 24-hour markets this is often relaxed.

Are they reliable alone?

They work better with confirmation, volume and key levels.

Further learning

Sources

This article is written in our own words. The sources below support the specific facts, rules and figures marked with a number in the text. Links open the original publisher’s page.

  1. StockCharts ChartSchool. Candlestick Bullish Reversal Patterns (opens in a new tab) Checked .
  2. StockCharts ChartSchool. Candlestick Bearish Reversal Patterns (opens in a new tab) Checked .
  3. Corporate Finance Institute. Dark Cloud Cover (opens in a new tab) Checked .
  4. Corporate Finance Institute. Candlestick Patterns (opens in a new tab) Checked .

Read more elsewhere

Educational content, not financial advice. Examples use hypothetical prices and simplified costs; actual fees, margin rules and regulations vary by broker, market and country. Trading Metrics is our sister site, under the same ownership; we are not affiliated with any other publisher linked above. Last reviewed . Report an error or request a source credit.