What does the shrinking volume of MACD column mean? Has the momentum weakened?

Shrinking MACD columns signal weakening momentum in crypto markets; traders should use this with other indicators for trend change confirmation.

Jun 17, 2025 at 10:56 pm

The Moving Average Convergence Divergence (MACD) indicator is a popular tool used by cryptocurrency traders to gauge the momentum and potential trend changes in the market. One of the key components of the MACD is the histogram, which is represented by vertical columns. When these columns start to shrink, it often signals a change in the market's momentum. This article will explore what a shrinking volume of MACD columns means and whether it indicates a weakening momentum in the cryptocurrency market.

Understanding the MACD Indicator

The MACD is composed of two lines: the MACD line and the signal line, along with the histogram. The MACD line is calculated by subtracting the 26-period Exponential Moving Average (EMA) from the 12-period EMA. The signal line is a 9-period EMA of the MACD line. The histogram, which is the focus of this article, represents the difference between the MACD line and the signal line.

The histogram's columns provide visual cues about the strength and direction of the momentum. When the columns are above the zero line, it indicates bullish momentum, and when they are below the zero line, it signifies bearish momentum. The height of the columns reflects the strength of the momentum.

What Does Shrinking MACD Columns Mean?

When the MACD columns start to shrink, it means that the difference between the MACD line and the signal line is decreasing. This can occur in two scenarios: either the columns are shrinking while still above the zero line, or they are shrinking while still below the zero line.

If the columns are shrinking above the zero line, it suggests that the bullish momentum is weakening. This does not necessarily mean that the trend will reverse immediately, but it indicates that the upward momentum is losing strength. Traders might interpret this as a signal to take profits or to prepare for a potential trend change.

Conversely, if the columns are shrinking below the zero line, it indicates that the bearish momentum is weakening. In this case, the downward momentum is losing strength, which could signal that the selling pressure is diminishing. Traders might see this as an opportunity to consider buying or to be cautious about further short positions.

Analyzing the Weakening Momentum

The shrinking of MACD columns is a clear indicator of weakening momentum, but it is crucial to consider this signal in the context of other technical indicators and market conditions. For instance, if the price of a cryptocurrency is still trending upwards despite shrinking MACD columns, it might suggest that the trend is still intact but could be nearing a potential reversal.

To confirm the weakening momentum indicated by shrinking MACD columns, traders often look at other indicators such as the Relative Strength Index (RSI) or the Average Directional Index (ADX). If these indicators also show signs of weakening momentum, it strengthens the case for a potential trend change.

Using Shrinking MACD Columns in Trading

Traders can use the information from shrinking MACD columns to adjust their trading strategies. Here are some ways to incorporate this signal into trading decisions:

• Taking Profits: If you are in a long position and notice the MACD columns shrinking above the zero line, it might be a good time to take some profits off the table. This can help lock in gains before a potential reversal.

• Entering New Positions: If you are considering entering a new position and see shrinking MACD columns below the zero line, it might be a signal to wait for a clearer trend confirmation before entering a long position.

• Adjusting Stop Losses: Shrinking MACD columns can also be used to adjust stop-loss levels. If you are in a long position and the columns start to shrink, tightening your stop loss can help protect your profits.

Practical Example of Shrinking MACD Columns

To illustrate how shrinking MACD columns can be used in trading, let's consider a hypothetical scenario with Bitcoin (BTC). Suppose the price of BTC has been trending upwards, and the MACD columns have been consistently above the zero line. However, you notice that the columns start to shrink, indicating weakening bullish momentum.

Here’s how you might react to this situation:

• Monitor Other Indicators: Check the RSI and ADX to see if they also indicate weakening momentum. If they do, it strengthens the case for a potential trend change.

• Adjust Trading Strategy: If other indicators confirm the weakening momentum, consider taking some profits on your long position. You might also decide to tighten your stop loss to protect your gains.

• Watch for Confirmation: Continue to monitor the MACD columns and the price action. If the columns continue to shrink and eventually cross below the zero line, it could confirm a bearish trend reversal.

Combining MACD with Other Indicators

While the shrinking MACD columns provide valuable insights into momentum, using them in isolation can be risky. Combining the MACD with other technical indicators can provide a more comprehensive view of the market.

For example, combining the MACD with the RSI can help confirm momentum changes. If the MACD columns are shrinking and the RSI is also showing a bearish divergence (where the price makes higher highs but the RSI makes lower highs), it strengthens the case for a potential trend reversal.

Similarly, using the ADX can help gauge the strength of the trend. If the ADX is declining while the MACD columns are shrinking, it indicates that the trend is losing strength, which aligns with the weakening momentum signal from the MACD.

Conclusion

The shrinking volume of MACD columns is a significant signal that traders in the cryptocurrency market should pay attention to. It indicates weakening momentum, which can be a precursor to a trend change. By understanding what shrinking MACD columns mean and how to use them in conjunction with other technical indicators, traders can make more informed decisions and potentially improve their trading outcomes.

FAQs

Q1: Can shrinking MACD columns be a false signal?

Yes, shrinking MACD columns can sometimes be a false signal. It's important to use them in conjunction with other indicators and to consider the overall market context to confirm the signal.

Q2: How often should I check the MACD columns?

The frequency of checking the MACD columns depends on your trading style. For day traders, checking every few hours might be necessary, while swing traders might check daily or weekly.

Q3: What other indicators can I use with the MACD to confirm a trend change?

In addition to the RSI and ADX, you can use the Stochastic Oscillator, Bollinger Bands, and the Moving Average Crossover to confirm a trend change indicated by shrinking MACD columns.

Q4: Is it possible for the MACD columns to shrink without a trend change?

Yes, it is possible for the MACD columns to shrink without an immediate trend change. This can happen during periods of consolidation or when the market is taking a breather before continuing the existing trend.