If volume accumulation appears at key points when an upward trend is initiated, the likelihood of this trend rising is very high. If this wave can materialize, it will at least be a medium-term upward trend.
"Volume accumulation" can be seen as a process where the main force successfully builds a base and prepares funds before the trend starts, akin to soldiers loading their guns and getting ready for a charge in a battle.
During the process of volume accumulation, there must be at least 5 candlesticks. It’s important to note that volume accumulation applies across any time frame: 5 candlesticks in a 5-minute chart is 25 minutes, 5 candlesticks in a 1-hour chart is 5 hours, and 5 candlesticks in a daily chart is 5 days.
Of course, the longer the volume accumulation lasts, the longer the trend will continue after the initiation. Volume accumulation is one of the important characteristics of volume in the early stages of a trend.
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Volume accumulation is also applicable in intraday charts. As shown in the intraday chart, we see that after the market opens, it starts to rise, then retreats to build a base, attempting to break the previous high for the first time but is suppressed by the average price line. The key point here is that when the main force intends to break through the previous high, the underlying volume has not effectively accumulated and expanded, which is one of the important reasons for the failure of the breakthrough.
A phrase I often say is "price moves with volume first", meaning that for the price to rise, it must be supported by volume.
When the price attempts to break upwards or downwards at significant points, there must be accompanying volume.