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Profile: bustermu
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User Name: bustermu
Groups: Gold User, Member, TeleChart
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Statistics
Joined: Saturday, January 01, 2005
Last Visit: Sunday, March 27, 2011 9:01:51 AM
Number of Posts: 2,645
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Last 10 Posts
Topic: Question on BOP
Posted: Wednesday, March 02, 2011 7:53:07 AM

Constellation,

As stated in:

http://forums.worden.com/default.aspx?g=posts&t=45546

_____________

For a multiday time frame, the built-in BOP is much like the built-in MS in that the calculation is on daily bars, not multiday bars.  If one wants either calculated on multiday bars, he can plot it as a Custom Indicator.

Generally, I find BOP on multiday time frames not realizable in the sense that it uses future data to calculate its value.
_____________

For a 5-Day time frame, the built-in BOP value for a bar is:

1)  for bars not at the right-edge, the BOP value for the Daily bar three market days after the 5-Day bar date.

2) for the bar at the right-edge, the BOP value for the Daily bar with the 5-Day bar date.

This explains your observations, but not why one would construct such an indicator.

Thanks,
Jim Murphy

Topic: tsv
Posted: Sunday, August 08, 2010 8:01:36 AM
QUOTE (jdh)
What is the indicator to determine money flow direction?  Do we simply ASSUME that IF the close is higher than the open, THEN money is flowing in (and vica versa for flowing out)?


jdh,

No.

If your statement had been:

Do we simply ASSUME that IF the close is higher than the previous close, THEN money is flowing in (and vice versa for flowing out)?

my response would have been:

Yes.  But, only in the sense that TSV1 always has the same sign as C-C1.

Thanks,
Jim Murphy
Topic: MA comparison
Posted: Sunday, August 08, 2010 7:19:06 AM
Ed,

A sequence of positive numbers ( a1, a2, ..., aK ) are all within 1.5% of each other if and only if the maximum of the numbers is within 1.5% of the minimum of the numbers, i.e.,

max( a1, a2, ..., aK )/min( a1, a2, ..., aK ) <= 1.015

Using the formulas for the maximum and mimimum of three numbers at:

Min Max PCFs

we obtain:

(XAVGC8+XAVGC20+ABS(XAVGC8-XAVGC20)+2*XAVGC50
+ABS(XAVGC8+XAVGC20+ABS(XAVGC8-XAVGC20)-2*XAVGC50))
/ (XAVGC8+XAVGC20-ABS(XAVGC8-XAVGC20)+2*XAVGC50
-ABS(XAVGC8+XAVGC20-ABS(XAVGC8-XAVGC20)-2*XAVGC50))
<= 1.015 

as the desired PCF.

Thanks,
Jim Murphy
Topic: 50/200 ma crossover
Posted: Monday, July 12, 2010 10:56:41 AM
QUOTE (bcraig73450)
I would like to have a PCF for the 200ma crossing down through the 50ma and the 50ma crossing up through the 200ma.  I would like these cross overs to be at the intersection of the two mas. 


bcraig73450,

I interpret your request differently than did Bruce.

1)  My interpretation of "the 200ma crossing down through the 50ma" is:

the 200ma above the 50ma yesterday and the 200ma below the 50 ma today and the value of the 200ma today below the value of the 200ma yesterday.

2)  My interpretation of "the 50ma crossing up through the 200ma" is:

the 50ma below the 200ma yesterday and the 50ma above the 200 ma today and the value of the 50ma today above the value of the 50ma yesterday.

It is not possible for the interpretation 1) to occur if both ma's are EMA's.  Thus, for simplicity, I will assume that both ma's are SMA's.  A  PCF for 1) and 2) simultaneously is:

AVGC200.1>AVGC50.1 AND AVGC200<AVGC50 AND C<C200 AND C>C50

Thanks,
Jim Murphy
Topic: What Does This PCF Mean?
Posted: Saturday, June 12, 2010 7:15:46 AM
daledalmada,

The following are two equivalent ways of stating the meaning of the PCF:

100*v/avgv100 >= 150

1.  Today's volume is at least 150% of the average volume over the most recent 100 days.  For example, 15 is at least 150% of 10.

2.  Today's volume is at least 50% greater than the average volume over the most recent 100 days.  For example, 15 is at least 50% greater than 10.

Thanks,
Jim Murphy
Topic: What's the difference between these two PCF's?
Posted: Friday, June 11, 2010 10:10:16 AM
Errata:

QUOTE (bustermu)
Please notice that if a stock declines more than 10% today, it will fail both tests.


Should read:

Please notice that if a stock declines more than 9.1% today, it will fail both tests.

Sorry,
Jim Murphy
Topic: What's the difference between these two PCF's?
Posted: Friday, June 11, 2010 9:38:22 AM
daledalmada,

Stronger statements than those given by Bruce can be made.

If a stock has sufficient data to calculate all of the following PCFs, then:

1.

   100 * (C1 - MINC22) / MINC22) <= 10

   is equivalent to

   100 * (C1 - MINC22) / MINC22) <= 10 AND 100 * (C1 - MINC11) / MINC11) <= 10

2.

   100 * (C1 - MINC11) / MINC11) <= 10

   is equivalent to

   100 * (C1 - MINC22) / MINC22) <= 10 OR 100 * (C1 - MINC11) / MINC11) <= 10

Please notice that if a stock declines more than 9.1% today, it will fail both tests.  It was probably intended that C1 above be C.

Thanks,
Jim Murphy
Topic: PCF Syntax Error
Posted: Friday, May 28, 2010 6:14:26 PM
Erin,

The PCF is an ill-fated attempt to determine, on a 5-Day chart, if the Bollinger Bandwidth, Period 20, Standard Deviation 2, is less than or equal to 6%.

The correct PCF is given by Bruce in:

http://forums.worden.com/Default.aspx?g=posts&t=47035

Note:  You need to be aware that there are no weekly charts in TeleChart; there are five distinct 5-Day charts. 

Thanks,
Jim Murphy
Topic: TSV UP THROUGH 0
Posted: Sunday, May 02, 2010 9:56:32 AM
QUOTE (Apsll)
PS: Always go with Bustermu"s advice by the way. He is the master of indicator formulas around these parts and one would be foolish to dispute him.


Apsll,

Thanks for your confidence in me, but I am not always correct in stating "facts".

I usually only state what I believe to be facts, but this time I am going to give an opinion:

Never accept what anyone states as a fact.  Always prove it yourself.

Thanks,
Jim Murphy
Topic: TSV UP THROUGH 0
Posted: Sunday, May 02, 2010 7:08:53 AM
QUOTE (Apsll)
TSV31>AVG(TSV31,25)ANDTSV31.1<AVG(TSV31,25.1)


Apsll and ransom,

The above PCF is interpreted as:

TSV31>AVG(TSV31,25)ANDTSV31.1<AVG(TSV31,25)

and not as:

TSV31>AVG(TSV31,25)ANDTSV31.1<AVG(TSV31.1,25)

The latter is the desired PCF.

Thanks,
Jim Murphy