Auto Trendlines
Auto Trendlines display a series of trendlines on the chart, these can highlight points of support or resistance depending on the current price trend.
A higher SR significance allows obtaining the trendlines of longer-term trends. The two trendlines prior to the most recent one are extended and can be used as support/resistances.
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A trendline is more significant when it was previously tested.
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Note that these trendlines do not appear in real-time and that the most recent trendline can continuously readjust.