Name, Sometimes Called:
Pivot Point Reverse Trading System
Abbreviated to PPRTS
Brief Description:
The PPRTS is a simple way to determine minor changes
in trend direction. However, it can only provide results a day after
an event has occurred.
Definitions, Formulas:
If you can wait a day in order to use the Pivot Point
Reverse Trading System (PPRTS), it can indicate minor trend changes
in direction. The calculation applies to yesterday’s values, even
though you’re calculating the PPRTS today.
A top pivot point (TPP) is defined when
the yesterday’s high is higher than the highs both today and the
day before yesterday. That is,
TPP = HighTODAY-1 > HighTODAY-1
and HighTODAY-1 > HighTODAY
Similarly, a bottom pivot point (BPP)
is defined when yesterday’s low is lower than both today’s low and
the low for the day before yesterday. That is,
BPP = LowTODAY-1 < LowTODAY-2
and LowTODAY-1 < LowTODAY
Since determining yesterday’s pivot points requires today’s prices,
there will always be a one-day delay in using this TAI.
Positive Development Calculation:
For this TAI, a new positive development (NPD)
occurs when ALL of the following conditions are met:
There was a bottom pivot point yesterday
and LowTODAY > LowTODAY-1
and LowTODAY-1 < LowTODAY-2
and CloseTODAY > CloseTODAY-1
This TAI can be confusing to understand in the abstract, so here
is an example for HYPO, the Hypothetical Corporation. Highs are
omitted in the interest of simplicity.
| Day |
Low |
Close |
Notes |
| Tuesday |
7.1 |
7.2 |
|
| Wednesday (today-2) |
7.0 |
7.6 |
|
| Thursday (today-1) |
5.5 |
6.5 |
was BPP |
| Friday (today) |
6.0 |
8.0 |
is Positive Development |
On Friday, we discovered that Thursday was a bottom pivot point
because yesterday’s low (5.5) was lower than that on the day before
(7.0) and yesterday’s low (5.5) was less than today’s low (6.0).
So, is Friday a positive development? Let us review the four points
required:
Was there a bottom pivot point yesterday? YES
Was the low today higher than yesterday’s close? YES (6.0 > 5.5)
Was the low yesterday lower than the low of the day before? YES
(5.5 < 7.0)
Was the close today higher than the close yesterday? YES (8.0 >
6.5)
All four conditions being met make Friday a positive development.
This TAI is no longer positive when ANY of the four conditions
for a positive development no longer exist.
So let’s move forward one day and extend our example data to Monday.
| Day |
Low |
Close |
Notes |
| Tuesday |
7.1 |
7.2 |
|
| Wednesday |
7.0 |
7.6 |
|
| Thursday (today-2) |
5.5 |
6.5 |
was BPP |
| Friday (today-1) |
6.0 |
8.0 |
|
| Monday (today) |
7.4 |
7.9 |
No longer a Positive Development |
On Monday, the closing price fell, so the fourth condition is
not met:
Was the close today higher than the close yesterday? NO (7.9 not
> 8.0)
Yesterday’s low (6.0) is lower than today’s low (7.4), but not
lower than the low for the day before yesterday (5.5). So as of
Monday, Friday was not a bottom pivot point.
If this TAI is still positive tomorrow, it will no longer be new,
but will be a cumulative positive development (CPD).
If this TAI was a new positive development (NPD)
yesterday, and is still positive today, then it becomes a cumulative
positive development (CPD)
.
History:
Looking for price trends is perhaps the simplest exercise
in a trader’s attempts to profit in the market. This exercise often
leads to looking for significant turning points, or pivot points,
where the direction of a price trend appears likely to change. In
fact, a pivot point is defined as that price at which the direction
of price movement changes. By examining a security’s high, low,
and closing prices, one can determine potential pivot points. The
trick is to distinguish potential pivot points from actual ones.
The TAI presented here can help in that effort.
There are at least three different ways to calculate pivot points.
Most if not all articles discussing pivot points strongly urge their
use in combination with other indicators.
This chart shows the PPRTS indicator in use. Monday is no longer
a positive development (NLPD) because Friday wasn’t a bottom pivot
point (BPP).

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