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He probably named it BOP to confuse the TASC editor 8<)
Has no resemblance to WB's BOP.
Bob
-----Original Message-----
From: palsanand [mailto:palsanand@xxxxxxxxx]
Sent: Saturday, December 13, 2003 2:10 PM
To: amibroker@xxxxxxxxxxxxxxx
Subject: [amibroker] Re: PositionScore Ideas
FUNCTION: BOP: Bears Reward Based On Open Close
FORMULA: BOP_BearOpenClose
DESC: Measure the bears ability to move the closing price below
the opening price relative to the trading range for the day.
NOTES:
This function measures the bears ability to move the closing price
below the opening price relative to the trading range for the day.
Parameters
------------------
Open The open price of the security for each given day.
Close The close price of the security for each given day.
High The high price of the security for each given day.
Low The low price of the security for each given day.
Function Value
------------------------
This function measures the bears ability to move the closing price
below the opening price relative to the trading range for the day.
Bears are considered to be pushing the price down from its opening
value.
The function value varies between 0 (no effect) and 1 (large effect).
Usage
-----------
This function is typically used in the calculation of the Balance of
Power indicator.
Source
------------
This function is based on the article "Balance of Power" by Igor
Livshin in the July 2001 issue of "Technical Analysis of Stocks and
Commodities".
iif((C>O),0,(O-C)/(H-L))
FUNCTION: Balance Of Power
FORMULA: BOP
DESC: Measure the strength of bulls versus bears by assessing
their ability to push the price to an extreme level using a reduced
calculation.
NOTES:
This function measures the strength of bulls versus bears by
assessing their ability to push the price to an extreme level using a
reduced calculation.
Parameters
------------------
Open The open price of the security for each given day.
Close The close price of the security for each given day.
High The high price of the security for each given day.
Low The low price of the security for each given day.
Function Value
------------------------
This function rates the ability of bulls and bears to move the price
by examining the high and low prices against the opening and closing
prices for each day. Bulls are considered to be pushing the price up
from its opening value. Bears are considered to be pushing the price
down from its opening value.
The function value varies between -1 (bearish) and 1 (bullish).
Usage
-----------
This function is typically used in a moving average to detect trends
in whether price movements have been bearish or bullish. Negative
values indicate that the bears have been controlling the price during
the period of the average. Positiive values indicate that the bulls
have been controlling the price.
This is the reduced form of the Balance of Power function, which is
derived from the formula presented in the article. It returns the
same value as the orignal form Balance of Power function.
Source
------------
This function is based on the article "Balance of Power" by Igor
Livshin in the July 2001 issue of "Technical Analysis of Stocks and
Commodities".
(C-O)/(H-L)
FUNCTION: Balance Of Power (Original Form)
FORMULA: BOP1
DESC: Measure the strength of bulls versus bears by assessing
their ability to push the price to an extreme level using the
underlying calculations.
NOTES:
This function measures the strength of bulls versus bears by
assessing their ability to push the price to an extreme level using
the underlying calculations.
Parameters
------------------
Open The open price of the security for each given day.
Close The close price of the security for each given day.
High The high price of the security for each given day.
Low The low price of the security for each given day.
Function Value
------------------------
This function rates the ability of bulls and bears to move the price
by examining the high and low prices against the opening and closing
prices for each day. Bulls are considered to be pushing the price up
from its opening value. Bears are considered to be pushing the price
down from its opening value.
The function value varies between -1 (bearish) and 1 (bullish).
Usage
-----------
This function is typically used in a moving average to detect trends
in whether price movements have been bearish or bullish. Negative
values indicate that the bears have been controlling the price during
the period of the average. Positiive values indicate that the bulls
have been controlling the price.
This is the original form of the Balance of Power function, which is
presented in the article. It returns the same value as the normal
Balance of Power function, which has been derived from this formula.
Source
------------
This function is based on the article "Balance of Power" by Igor
Livshin in the July 2001 issue of "Technical Analysis of Stocks and
Commodities".
BOP_BullDaily(O,C,H,L) - BOP_BearDaily(O,C,H,L)
FUNCTION: BOP: Bulls Reward Daily
FORMULA: BOP_BullDaily
DESC: Measure the strength of bulls for a given day by assessing
their ability to push the price to an extreme level.
NOTES:
This function measures the strength of bulls for a given day by
assessing their ability to push the price to an extreme level.
Parameters
------------------
Open The open price of the security for each given day.
Close The close price of the security for each given day.
High The high price of the security for each given day.
Low The low price of the security for each given day.
Function Value
------------------------
This function rates the ability of bulls to move the price by
examining the high and low prices against the opening and closing
prices for each day. Bulls are considered to be pushing the price up
from its opening value.
The function value varies between 0 (no effect) and 1 (large effect).
Usage
-----------
This function is typically used in the calculation of the Balance of
Power indicator.
Source
------------
This function is based on the article "Balance of Power" by Igor
Livshin in the July 2001 issue of "Technical Analysis of Stocks and
Commodities".
(BOP_BullOpen(O,H,L) + BOP_BullClose(C,H,L) + BOP_BullOpenClose
(O,C,H,L))/3
FUNCTION: BOP: Bulls Reward Based On Open Close
FORMULA: BOP_BullOpenClose
DESC: Measure the bulls ability to move the closing price above
the opening price relative to the trading range for the day.
NOTES:
This function measures the bulls ability to move the closing price
above the opening price relative to the trading range for the day.
Parameters
------------------
Open The open price of the security for each given day.
Close The close price of the security for each given day.
High The high price of the security for each given day.
Low The low price of the security for each given day.
Function Value
------------------------
This function measures the bears ability to move the closing price
above the opening price relative to the trading range for the day.
Bulls are considered to be pushing the price up from its opening
value.
The function value varies between 0 (no effect) and 1 (large effect).
Usage
-----------
This function is typically used in the calculation of the Balance of
Power indicator.
Source
------------
This function is based on the article "Balance of Power" by Igor
Livshin in the July 2001 issue of "Technical Analysis of Stocks and
Commodities".
iif((C>O),(C-O)/(H-L),0)
FUNCTION: BOP: Bears Reward Based On Close
FORMULA: BOP_BearClose
DESC: Measure the bears ability to move the closing price down
from the high price relative to the trading range for the day.
NOTES:
This function measures the bears ability to move the closing price
down from the high price relative to the trading range for the day.
Parameters
------------------
Close The close price of the security for each given day.
High The high price of the security for each given day.
Low The low price of the security for each given day.
Function Value
------------------------
This function measures the bears ability to move the closing price
down from the high price relative to the trading range for the day.
Bears are considered to be pushing the price down from its opening
value.
The function value varies between 0 (no effect) and 1 (large effect).
Usage
-----------
This function is typically used in the calculation of the Balance of
Power indicator.
Source
------------
This function is based on the article "Balance of Power" by Igor
Livshin in the July 2001 issue of "Technical Analysis of Stocks and
Commodities".
(C-L)/(H-L)
FUNCTION: BOP: Bulls Reward Based On Close
FORMULA: BOP_BullClose
DESC: Measure the bulls ability to move the closing price up from
the low price relative to the trading range for the day.
NOTES:
This function measures the bulls ability to move the closing price up
from the low price relative to the trading range for the day.
Parameters
------------------
Close The close price of the security for each given day.
High The high price of the security for each given day.
Low The low price of the security for each given day.
Function Value
------------------------
This function measures the bulls ability to move the closing price up
from the low price relative to the trading range for the day. Bulls
are considered to be pushing the price up from its opening value.
The function value varies between 0 (no effect) and 1 (large effect).
Usage
-----------
This function is typically used in the calculation of the Balance of
Power indicator.
Source
------------
This function is based on the article "Balance of Power" by Igor
Livshin in the July 2001 issue of "Technical Analysis of Stocks and
Commodities".
(C-L)/(H-L)
FUNCTION: BOP: Bears Reward Based On Open
FORMULA: BOP_BearOpen
DESC: Measure the bears ability to move the low price down from
the opening price relative to the trading range for the day.
NOTES:
This function measures the bears ability to move the low price down
from the opening price relative to the trading range for the day.
Parameters
------------------
Open The open price of the security for each given day.
High The high price of the security for each given day.
Low The low price of the security for each given day.
Function Value
------------------------
This function measures the bears ability to move the low price down
from the opening price relative to the trading range for the day.
Bears are considered to be pushing the price down from its opening
value.
The function value varies between 0 (no effect) and 1 (large effect).
Usage
-----------
This function is typically used in the calculation of the Balance of
Power indicator.
Source
------------
This function is based on the article "Balance of Power" by Igor
Livshin in the July 2001 issue of "Technical Analysis of Stocks and
Commodities".
(O-L)/(H-L)
FUNCTION: BOP: Bulls Reward Based On Open
FORMULA: BOP_BullOpen
DESC: Measure the bears ability to move the high price up from the
opening price relative to the trading range for the day.
NOTES:
This function measures the bears ability to move the high price up
from the opening price relative to the trading range for the day.
Parameters
------------------
Open The open price of the security for each given day.
High The high price of the security for each given day.
Low The low price of the security for each given day.
Function Value
------------------------
This function measures the bears ability to move the high price up
from the opening price relative to the trading range for the day.
Bulls are considered to be pushing the price up from its opening
value.
The function value varies between 0 (no effect) and 1 (large effect).
Usage
-----------
This function is typically used in the calculation of the Balance of
Power indicator.
Source
------------
This function is based on the article "Balance of Power" by Igor
Livshin in the July 2001 issue of "Technical Analysis of Stocks and
Commodities".
(H-O)/(H-L)
FUNCTION: BOP: Bears Reward Daily
FORMULA: BOP_BearDaily
DESC: Measure the strength of bears for a given day by assessing
their ability to push the price to an extreme level.
NOTES:
This function measures the strength of bears for a given day by
assessing their ability to push the price to an extreme level.
Parameters
------------------
Open The open price of the security for each given day.
Close The close price of the security for each given day.
High The high price of the security for each given day.
Low The low price of the security for each given day.
Function Value
------------------------
This function rates the ability of bears to move the price by
examining the high and low prices against the opening and closing
prices for each day. Bears are considered to be pushing the price
down from its opening value.
The function value varies between 0 (no effect) and 1 (large effect).
Usage
-----------
This function is typically used in the calculation of the Balance of
Power indicator.
Source
------------
This function is based on the article "Balance of Power" by Igor
Livshin in the July 2001 issue of "Technical Analysis of Stocks and
Commodities".
(BOP_BearOpen(O,H,L,C) + BOP_BearClose(C,H,L) + BOP_BearOpenClose
(O,C,H,L))/3
rgds, Pal
--- In amibroker@xxxxxxxxxxxxxxx, "Ken Close" <closeks@xxxx> wrote:
> Gary/Phsst: now that is interesting.
>
>
>
> VectorVest has a "proprietary" "Relative Strength" indicator called
RT,
> which some on another list have said is approximated by C/Ref(C,-
65),
> along with some weighting scheme. Talk about everyone drinking out
of
> the same cup.
>
>
>
> TC2000 has a thing called BOP (Balance of Power), but I have never
seen
> an approximation of it much less a description of what it attempts
to
> do. Nix that, here is something from the TC2k Help files:
>
> "BOP fits into a category of devices that can be termed "trend
quality"
> indicators. A variety of methods lead naturally to buy and sell
signals.
> What BOP tells you is something about the quality of the underlying
> trend. Not itself a pinpoint timing indicator, BOP will modify your
> assessment of the vital risk-reward ratio of a trade or investment.
It
> will help you determine whether the supply-demand balance will be in
> your favor. It will help you spot changes of character in a stock's
> action.
>
> "
>
> Ken
>
>
>
>
>
> -----Original Message-----
> From: Gary A. Serkhoshian [mailto:serkhoshian777@x...]
> Sent: Saturday, December 13, 2003 1:16 PM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: Re: [amibroker] Re: PositionScore Ideas
>
>
>
> Hi Phsst,
>
>
>
> Thanks for that suggestion, as I'd never stumbled across it
before. QP
> has a great explaination in help which I've posted below in
addition to
> my translation into AFL which just offers the raw relstr numbers
which
> is good enough. If anyone wants to beautify the code with the
ranking
> from 0 to 99, by all means tear it up.
>
>
>
> Value-added as always Phsst : ). Kind Regards, Gary
>
>
>
> QRSRAW = ( (C / Ref(C,-62)) * 0.4 ) + ( (Ref(C,-63) / Ref(C,-125))
* 0.2
> ) + ( (Ref(C,-126) / Ref(C,-188)) * 0.2 ) + ( (Ref(C,-189) /
> Ref(C,-251)) * 0.2 );
>
>
>
> Quotes Plus Relative Strength Indicator
>
> The Quotes Plus Relative Strength indicator is calculated for each
issue
> each day, and becomes part of the data you download to your PC. The
> indicator ranks each issue in the database against every other
issue in
> the database, based on its performance for the last 12 months.
>
> Every issue is ranked from 0 to 99 so that its rank is equal to the
> percentage of issues that it has outperformed over the previous 12
month
> period. A rating of 92, for example, means that the issue has
> outperformed 92% of all of the issues in the database.
>
> The formula is :
>
> ( Current Close / Close from 62 trading days ago ) * .4
>
> + ( Close from 63 trading days ago / Close from 125 trading days
ago ) *
> .2
>
> + ( Close from 126 trading days ago / Close from 188 trading days
ago )
> * .2
>
> + ( Close from 189 trading days ago / Close from 251 trading days
ago )
> * .2
>
> This value is sorted for all of the issues, and the top 1% of
issues get
> a value of 99. The other issues are ranked similarly, down to the
bottom
> 1%, which get a value of 0.
>
>
>
>
>
>
>
> Phsst <phsst@xxxx> wrote:
>
> QRS is updated daily and goes as far back as 6/1/1995 in the QP2
> database.
>
> Just a suggestion... set aside whatever preconcieved notions you may
> have about this and take the time to research it and do a little due
> diligence. You might be glad you did.
>
> --- In amibroker@xxxxxxxxxxxxxxx, "Al Venosa" <advenosa@xxxx> wrote:
> > Thanks, Phsst. I'm a QP2 user also. But all those QP2 GetExtraData
> variables are not updated daily, so I don't think they would be
useful
> for a short-term trading system like I was talking about. Using
> PositionScore over a modest time period, you'd get the same 4 stocks
> all the time, wouldn't you, or at least until they get updated.
> Perhaps QRS gets updated weekly, so maybe that wouldn't be as bad,
but
> I think I'd like something that is more reflective of the trade
system
> duration, in other words, something that I can update daily at EOD.
> >
> >
> > ----- Original Message -----
> > From: Phsst
> > To: amibroker@xxxxxxxxxxxxxxx
> > Sent: Saturday, December 13, 2003 12:26 PM
> > Subject: [amibroker] Re: PositionScore Ideas
> >
> >
> > Al,
> >
> > My favorite is the QP2 QRS value (GetExtraData("QRS"). The QP2
QRS
> > value is supposed to be a 'knockoff' of the IBD RS ranking
score.
> >
> > I almost always get a significant boost using this ranking
figure as
> > as the positionscore.
> >
> > If you do not have QP2, but have any ideas about how to do your
own
> RS
> > Rank calculation, I'd be happy to run some comparisons for you
(or
> > anyone else) to measure your calculated RS Rank against QP2's
QRS
> rank.
> >
> > Cheers,
> >
> > Phsst
> > --- In amibroker@xxxxxxxxxxxxxxx, "Al Venosa" <advenosa@xxxx>
wrote:
> > > Hi, all:
> > >
> > > I've been experimenting with variuos short term trading
systems
> > lately (average trade durations of about 2.5 days), and I was
> looking
> > for ideas on how best to rank a watchlist to get the best
candidates
> > for portfolio trading a basket of 4 stocks. I was wondering if
> anyone
> > would care to share any ideas on how you use the PositionScore
> > function to rank your candidate list (using regular mode, not
> > rotational mode). I've tried combinations of turnover and
> volatility,
> > but I'd like to try other ideas. I'm not asking anyone to give
away
> > any secrets, and, yes, I am aware of TJ's example in the help
file
> > (PositionScore = 100 -RSI());), but I was just looking for more
> ideas.
> > I'm not even sure if this question is too vague or not. If it
is,
> I'm
> > sure you'll tell me. TIA.
> > >
> > > Al Venosa
> > > advenosa@xxxx
> > >
> > >
> > > ---
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