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Is it credible that the KDJ fast line and the price form a bottom divergence and then the volume rises?
A KDJ bottom divergence with rising volume—like Ethereum’s drop to $1,550 with %K rising from 18 to 24 and volume spiking—signals weakening bearish momentum and a potential bullish reversal.
Jul 27, 2025 at 05:42 pm

Understanding KDJ Indicator and Its Components
The KDJ indicator is a momentum oscillator widely used in cryptocurrency trading to identify overbought or oversold conditions. It consists of three lines: the %K (fast line), %D (slow line), and %J (divergence line). The %K line reflects the current price relative to the high-low range over a specific period, typically 9 days. The %D line is a moving average of %K, smoothing out fluctuations, while the %J line represents the divergence between %K and %D, often used to spot extreme conditions.
Traders monitor the KDJ fast line (%K) closely because it reacts quickly to price changes. When the fast line drops into the oversold zone (usually below 20), it may suggest a potential upward reversal. However, relying solely on the KDJ value is risky. The real insight comes when analyzing the relationship between the KDJ fast line and the actual price action, especially in identifying divergence patterns.
What Is Bottom Divergence in KDJ?
A bottom divergence occurs when the price makes a lower low, but the KDJ fast line forms a higher low. This signals that although the price continues to decline, the underlying momentum is weakening. In the context of cryptocurrency markets, which are highly volatile, such divergence can indicate that selling pressure is diminishing, even if the price hasn't reversed yet.
For example, if Bitcoin drops from $30,000 to $28,000, forming a new low, but during this drop, the KDJ fast line rises from 15 to 22, this constitutes a bullish divergence. It suggests that bears are losing control, and bulls may soon take over. This pattern is considered more reliable when it occurs after a prolonged downtrend and in the oversold region of the KDJ (below 20).
However, divergence alone does not guarantee a reversal. It merely indicates a shift in momentum. To increase confidence in the signal, traders often look for confirmation from volume.
Role of Volume in Confirming KDJ Divergence
Volume plays a critical role in validating technical signals in cryptocurrency trading. When a KDJ bottom divergence appears, an accompanying rise in trading volume can significantly enhance the credibility of a potential reversal. Volume reflects market participation — rising volume during a price dip suggests accumulation by smart money or institutional investors.
When analyzing volume in conjunction with KDJ divergence:
- A rising volume during the formation of the second low (where the price is lower but KDJ is higher) indicates increased buying interest.
- If volume expands sharply after the divergence is confirmed (e.g., on a bullish candle), it strengthens the case for a sustainable upward move.
- Conversely, if volume remains flat or declines, the divergence may be a false signal.
In spot trading on Binance or Bybit, you can enable volume bars on the candlestick chart. Look for green (bullish) candles with larger volume bars following the divergence. In futures trading, open interest data can also be combined with volume to assess whether long positions are being built.
Step-by-Step Verification of KDJ Divergence and Volume Surge
To verify whether a KDJ bottom divergence with rising volume is credible, follow these steps:
- Open a cryptocurrency chart on a platform like TradingView, Binance, or Bybit. Select a timeframe (e.g., 4-hour or daily) depending on your trading strategy.
- Apply the KDJ indicator to the chart. Ensure the default settings (9,3,3) are used unless you have a specific reason to adjust them.
- Identify two consecutive price lows. The second low should be lower than the first, confirming a downtrend.
- Check the KDJ fast line (%K) at both lows. The value at the second low should be higher than at the first, forming a higher low — this is the divergence.
- Observe the volume bars under the price candles. The volume at the second low should be equal to or greater than at the first low.
- Wait for a bullish confirmation candle — a green candle that closes above the previous high, accompanied by a noticeable volume spike.
- Cross-verify with support levels — if the divergence occurs near a known support zone or Fibonacci level, the signal becomes stronger.
This process minimizes false signals and ensures that both momentum and market participation align.
Common Pitfalls and Misinterpretations
Many traders misinterpret KDJ divergence due to incorrect identification of swing points. For instance, selecting arbitrary lows instead of clear, significant price bottoms can lead to false divergence signals. Always use visible swing lows with clear rejection candles (like hammers or bullish engulfing patterns).
Another issue is ignoring the broader market context. A divergence on a small altcoin may not hold if Bitcoin is in a strong downtrend. Always check the BTC dominance chart or overall market sentiment on platforms like Crypto Fear & Greed Index.
Additionally, overlapping timeframes can confuse analysis. A divergence on the 1-hour chart might be invalidated by a larger trend on the daily chart. It’s essential to analyze multiple timeframes — for example, use the daily chart for trend direction and the 4-hour for entry timing.
Lastly, volume manipulation is common in low-liquidity altcoins. A sudden volume spike might be due to a large whale trade rather than genuine market interest. Always compare volume to the 30-day average volume to assess whether the surge is meaningful.
Practical Example: KDJ Divergence in Ethereum
Consider a scenario in early 2023 when Ethereum dropped from $1,800 to $1,550 over two weeks. During this decline:
- The first low formed at $1,600 with KDJ %K at 18 and volume at 1.2 million ETH.
- Price later dropped to $1,550, forming a lower low.
- However, at this second low, the KDJ %K rose to 24, indicating a higher low — a classic bullish divergence.
- Volume during the second low increased to 1.5 million ETH, showing stronger buying interest.
- Shortly after, a large green candle appeared with volume exceeding 2 million ETH, confirming the reversal.
Traders who entered long positions after this confirmation saw ETH rally to $1,900 within 10 days. This example illustrates how KDJ divergence combined with rising volume can provide a high-probability trade setup.
Frequently Asked Questions
Can KDJ divergence occur in overbought conditions?
Yes. When the price makes a higher high but the KDJ fast line forms a lower high, it’s called a top divergence, indicating weakening bullish momentum and a potential downward reversal.
How do I adjust KDJ settings for different cryptocurrencies?
While the default (9,3,3) works for most cases, highly volatile altcoins may benefit from smoothing — try (14,3,3). Backtest on historical data to find optimal settings.
Is volume more important than KDJ in divergence confirmation?
Neither should be used in isolation. Volume adds credibility, but KDJ identifies the momentum shift. Both must align for a strong signal.
Does KDJ work well in sideways markets?
In ranging markets, KDJ generates many false signals due to constant overbought/oversold readings. Use it with Bollinger Bands or RSI to filter entries.
Disclaimer:info@kdj.com
The information provided is not trading advice. kdj.com does not assume any responsibility for any investments made based on the information provided in this article. Cryptocurrencies are highly volatile and it is highly recommended that you invest with caution after thorough research!
If you believe that the content used on this website infringes your copyright, please contact us immediately (info@kdj.com) and we will delete it promptly.
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