Arps
RangeFinder
This powerful analysis tool
gives the user an immediate indication at the days
Open whether the day is likely to be an "Up"
day, a "Down" day or a "Sideways"
day.
The Arps RangeFinder draws a set
of three horizontal lines on an intraday chart. These
lines consist of a green High Support line, a red
Low Resistance line and a cyan Daily Midline. If the
price opens above the High Support line, we can assume
that today will be an upward-trending day and that
the High Support line will serve as a support level
for prices during the day. Conversely, if the price
opens below the Low Resistance line, we can assume
that today will be a downward-trending day and that
the Low Resistance line will serve as price resistance.
If the price opens between the two lines, the lines
will define the expected trading range for the day.

Many first-time users believe
these tools represent an accurate projection of what
tomorrows trading range will be. This is not
necessarily the case. Instead, what is important is
to observe how the price trades during the day with
respect to these support/resistance lines. If price
opens above the High Support Line, then subsequently
makes a significant break below this line, there is
a high probability that prices will continue to decline
all the way to the Low Resistance Line. Conversely,
if the price opens below the Low Resistance Line,
then subsequently makes a significant break above
this line, there is a high probability that prices
will continue to rise all the way to the High Support
Line.
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