The phrase "trend direction" refers to the way in which something is moving or changing over time. It indicates the general path or pattern of a trend, whether it is going up, down, or staying relatively stable. Full definition
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A 200 - day moving average can be used to determine the overall trend direction. (traderhq.com)
It shows a brief consolidation and then a break out in the dominant trend direction. (learntotradethemarket.com)
I especially like the way you identify strength and weaknesses in the trend and then determining possible future trend direction. (ytcpriceactiontrader.com)