Hi there,
there are variuos appraoches to this, long term traders look for the long term trends on the weekly charts and daily.
If you are day trading then i`d guess you would look at the hourly charts for the trend and then and a lower time span for your entry.
There is a blog that bigpipin has started the cowabunga system he`s named it, have a look at that as that goes through an example of what i have said.
good luck!!
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