Candlestick patternsOn-Neck Line
A weak bounce that stalls at the prior low — a bearish continuation in a downtrend.
Works best in trending marketsEngine-computed on a fixed sample series
What it is
The On-Neck Line is a two-candle bearish continuation pattern that appears within a downtrend and signals that the decline is likely to resume after a feeble attempt to bounce. Its name comes from the way the second candle rallies only far enough to reach the neck of the first candle — its low — before stalling, like a bounce that cannot lift its head above the previous session's floor. The pattern tells a bearish story: sellers drove price down hard, buyers tried to mount a recovery the next session, but that recovery was so weak it died right at the prior low, exposing how little genuine demand exists. For a beginner, the On-Neck Line is a signal that a bounce in a falling market is a trap rather than a turn, and that the path of least resistance remains down. It is a subtle but useful pattern for identifying weak rallies within a broader decline.
How it forms — the anatomy
The On-Neck Line forms over two candles within an established downtrend. The first candle is a long bearish candle that extends the decline and sets its low as the reference neck level. The second candle is a smaller bullish candle that opens lower — typically gapping down below the first candle's close or low — and then rallies during the session, but the rally is weak and the candle closes at or very near the low of the first candle, reaching the neck and no higher. The defining feature is precisely where that second candle closes: it must close at or just at the prior candle's low, not meaningfully into its body. This distinguishes the On-Neck Line from more bullish relatives — the In-Neck Line closes slightly into the first body, the Thrusting Line closes further in but below the midpoint, and the Piercing Line closes above the midpoint and is bullish — so the exact closing level is what defines the pattern and its bearish meaning.
Reading it, step by step
Read the On-Neck Line as evidence of failed demand within a downtrend. The long first candle confirms sellers are firmly in control. The second candle's lower open shows the decline continuing, and its intraday rally represents buyers attempting a recovery — but the crucial tell is that this rally dies right at the first candle's low, reclaiming essentially none of the prior session's lost ground. Because the bounce fails to push back into the body of the first candle, it reveals that buying interest is too thin to reverse the trend, so the downtrend is expected to resume. The pattern is easy to confuse with the far more bullish Piercing Line, and the entire difference lies in how far the second candle closes: a close merely at the prior low is bearish continuation, while a close above the midpoint of the first candle is a bullish reversal. Measuring that close carefully against the prior low is the essential reading.
Best timeframes and settings
The On-Neck Line is most reliable on daily charts of stocks, where the second candle's lower opening gap forms naturally from overnight order flow and gives the pattern its characteristic shape. It appears on weekly charts for position traders and on intraday charts as well, though in continuously traded markets like forex and crypto the opening gap is rarer and the pattern may form with the second candle simply opening near the first candle's low rather than gapping below it. There are no numeric parameters, but there is a judgment call in how strictly you require the second candle to close exactly at the prior low versus slightly above or below it — the stricter your definition, the rarer and cleaner the signal, and the looser it is, the more it blurs into the neighboring In-Neck or Thrusting patterns. It is a minor pattern, so on any timeframe it is best used as confirmation within a downtrend rather than as a strong standalone signal, and it degrades on very low timeframes dominated by noise.
When and where to use it
Use the On-Neck Line to confirm the continuation of a downtrend, particularly when you are looking for a spot to enter short or to add to an existing short position on a failed bounce. It is a continuation pattern and belongs squarely within an established downtrend; the same two-candle shape carries no meaning in an uptrend or a range. It works best on liquid, gapping instruments like stocks on daily charts. It should be avoided in the absence of a clear downtrend and treated cautiously as a standalone signal because, like all two-candle patterns, it is minor and easily invalidated. Be especially careful to distinguish it from the bullish Piercing Line by measuring the close, since misreading the two leads to trading in exactly the wrong direction. As a short-horizon signal, its reliability improves considerably when it aligns with the broader trend and with confirmation from other tools.
Strategies that use it
The core strategy is to short a break below the low of the second candle, placing a protective stop above the high of that same candle, which keeps risk tight because the failed bounce is compact, and then following the trend down toward the next support. A more conservative variant waits for the next candle to confirm by trading below the second candle's low before entering, reducing the chance of acting on a bounce that turns out to have further to run. A third approach uses the On-Neck Line as an add-on signal for an existing short: when the pattern appears during a pullback in a downtrend you already hold, you add to the position on the resumption of the decline, sizing the addition so the combined stop above the pattern keeps total risk controlled. In every version, a decisive close back up into the body of the first candle invalidates the bearish read and signals the setup has failed, since that would resemble the more bullish piercing behavior.
Combining it with other indicators
The On-Neck Line is a minor pattern, so it gains substantial reliability when confirmed by the broader context, and a falling moving average or a negative ADX beneath it confirms you are trading with a genuine downtrend rather than against a recovery. Resistance overhead where the weak bounce stalls — a prior support-turned-resistance level or a descending trendline — reinforces the bearish read by giving the failed rally a logical ceiling. Momentum oscillators such as RSI or the Stochastic add confluence when they show the bounce fading from an overbought micro-extreme or rolling back over. Volume that is light on the second candle's rally corroborates that the bounce lacked real buying, while heavy volume on the subsequent break down confirms sellers have resumed control. Because the pattern itself is subtle and easily confused with bullish relatives, layering these confirmations is especially important to avoid trading a genuine reversal as though it were a continuation.
Where it fails
The most dangerous failure is confusing the On-Neck Line with the bullish Piercing Line, since the two differ only in how far the second candle closes — a bearish close at the prior low versus a bullish close above the midpoint — and misjudging that level leads you to short a bottom. The pattern is minor and easily invalidated: a strong follow-through candle that closes back up into the first candle's body negates the bearish signal, so acting without confirmation is risky. It only has meaning inside an established downtrend, and traders who spot the shape in a range or uptrend read continuation into noise. In gapless markets the second candle's lower opening may not form cleanly, blurring the pattern into its neighbors. And as a short-term two-candle signal, even a valid On-Neck Line can be overwhelmed by a genuine reversal or positive news, which is why the stop above the second candle's high and independent trend confirmation are essential.
A worked example
Picture a stock in a steady downtrend that has fallen from 40 to 30 and prints a long red candle from 32 down to 30, extending the decline and setting 30 as the neck reference. The next session gaps down to open near 29.4 and buyers attempt a recovery, lifting price during the day, but the rally stalls and the candle closes at 30.0 — right at the prior candle's low — forming a small bullish candle that reached the neck and no further. This is a textbook On-Neck Line: the bounce reclaimed essentially none of the first candle's losses, exposing thin demand. You confirm the context with a falling 50-day moving average overhead and light volume on the weak bounce, then short a break below the second candle's low near 29.4, placing your stop just above its high around 30.3 for tight, well-defined risk. Price resumes its decline as the pattern anticipated, and you trail your stop down toward the next support near 26, having correctly read the feeble bounce as a continuation rather than mistaking it for a bullish piercing reversal.