Piercing Line Complete Guide
What is Piercing Line?
The Piercing Line is a two-candle bullish reversal pattern that typically appears at the end of a sustained downtrend. As defined by Steve Nison, who introduced Japanese candlestick charting to the West, the pattern represents a significant shift in market sentiment from bearish to bullish. The first bar is a relatively long bearish candle, reflecting the prevailing downward momentum. The second bar begins with a gap down below the low of the first candle, suggesting that the bears remain in control. However, during the session, buyers aggressively step in, driving the price upward to close well within the body of the first candle. To qualify as a valid Piercing Line, the second candle must close above the 50% midpoint of the first candle's real body. This 'piercing' of the midpoint indicates that the bulls have regained enough strength to offset more than half of the previous day's losses. According to Thomas Bulkowski’s research in the 'Encyclopedia of Candlestick Charts,' the Piercing Line has a reversal rate of approximately 64% in bull markets, ranking it as a moderately reliable indicator. Volume plays a crucial role in confirming the pattern's validity; a surge in trading volume on the second day suggests stronger conviction among buyers and increases the likelihood of a successful trend reversal. Conversely, if the second candle fails to reach the 50% threshold, the formation may instead transition into a bearish continuation pattern, such as the 'In Neck' or 'On Neck' patterns. Traders often look for a third candle to close above the high of the Piercing Line as final confirmation before entering a long position.
Identification Rules
- The market must be in a clearly defined downtrend prior to the pattern.
- The first day must be a long bearish (red or black) candle.
- The second day must open below the low of the first day's candle.
- The second day must close above the 50% midpoint of the first day's real body.
Historical Win Rate Statistics
US
| Total Occurrences | 29 |
| T+5 Win Rate | 58.6% |
| T+20 Win Rate | 44.8% |
| T+20 Avg Return | 12.25% |
Recent Cases
| Symbol | Date | T+20 Return |
|---|---|---|
| MSFT | 2026-04-02 | 13.58% |
| MSFT | 2025-11-14 | -5.75% |
| NVDA | 2025-11-14 | -3.57% |
| AACG | 2025-06-06 | -9.29% |
| AAUAF | 2025-06-05 | 6.67% |
| AAMMF | 2025-06-04 | -18.09% |
| ABT | 2025-05-29 | -0.33% |
| ACHV | 2025-05-23 | 9.21% |
| TSLA | 2025-05-22 | -4.28% |
| ACDVF | 2025-05-22 | 1.92% |
References
- Thomas N. Bulkowski (2005). Encyclopedia of Chart Patterns.
- Steve Nison (2001). Japanese Candlestick Charting Techniques.
FAQ
How does a Piercing Line differ from a Bullish Engulfing pattern?
A Bullish Engulfing candle completely wraps around the previous day's body, while a Piercing Line only needs to close above the 50% midpoint of the previous body.
What happens if the second candle closes below the 50% mark?
If it fails to pierce the midpoint, it is often classified as an 'In Neck' or 'On Neck' pattern, which typically signals bearish continuation rather than reversal.
What is the historical success rate of this pattern?
According to Bulkowski, it acts as a bullish reversal 64% of the time in a bull market, making it a reliable but not guaranteed signal.
Is volume confirmation necessary for the Piercing Line?
While not a strict rule, higher-than-average volume on the second (bullish) day significantly increases the probability of a trend change.
Where is the most logical place to set a stop loss?
The most common placement for a stop loss is just below the low of the second candle in the pattern.
More Analysis
Parts of this page (FAQ, introductions) are AI-assisted. Core data and statistics are algorithmically computed. All pattern definitions are human-reviewed.
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Data source: EODHD · © 2026 KlineVision AI