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Hi Bob,
Tuesday, February 25, 2003, 10:39:41 PM, you wrote:
BJ> You can always algebraically calculate a 'target' price at which
BJ> indicators that depend only on a single* price array will cross,
BJ> but not for, e.g., Stochastic, which depends on H,L,C. That,
BJ> unfortunately rules out scCMF.
Thanks for that information. Very interesting, this. And a bit
frustrating at times. Yesterday we had a day that started out weak,
and ended strong. Yesterday morning, my brokerage trend indicator
was bouncing back and forth, threatening to change to negative. (One
of the three composite stocks was already negative, one too far to go
negative probably, and the other near the line.)
So when I woke up this morning and saw the carnage in New York, I
expected the bottom to fall out, and I expected I'd get some intraday
short signals. However, either the strong close yesterday (a tick off
the high, but up only marginally from Friday) or something else in
the look back period apparently set that indicator up so that there
was no way it was going negative today, even though it was still
hovering near the line. (In fact, the indictor turned *up* for this
stock, from 3.45 yesterday to 6.94 today, even as price fell all day,
finishing down 4 percent. Volume was strong but not anything really
special.)
As prices continued to drop all day, I kept running the scan, and
kept disbelieving my eyes, particularly in light of yesterday's
flirtation with negative on this trend indicator. Finally in the
middle of the pm session, I put very absurdly low values into the low
and close for that one stock in question, just to see if I could move
the indicator lower. But I still could not bring that scCMF below
zero today. Really a surprise since it was the same stock that was
flirting with the line yesterday morning.
Oh well. The purpose of the filter is to keep me from trading all
the time anyway. <lol> It did it's job today, sadly. Of course, if
they are too reactive they are no good either. By and large, this
works pretty nicely, so I'll just take a little bad with the good.
Better a sin of omission than a sin of commission. ^^_^^
Yuki
BJ> See Stephane's msg # 27399
BJ> ----
BJ> Chaiken's Money Flow
BJ> AFL CODE IS :
BJ> Graph0 = Sum(((( C-L )-( H-C )) / ( H-L ))*V, 21 ) / Sum(V,21)*100;
BJ> THE PLUGIN IS:
BJ> Graph1=scCMF(21);
BJ> ----
BJ> I have the 'target' formulas for many single price indicators in the TFP
BJ> language, but translation to AFL isn't trivial.
BJ> Bob
BJ> -----Original Message-----
BJ> From: Yuki Taga [mailto:yukitaga@xxxxxxxxxxxxx]
BJ> Sent: Monday, February 24, 2003 9:09 PM
BJ> To: amibroker@xxxxxxxxxxxxxxx
BJ> Subject: [amibroker] looking into the future
BJ> All:
BJ> I have a trend qualifier that I use with pretty decent success for
BJ> short-term trading on some brokerage stocks. The qualifier is really
BJ> simple:
BJ> If 2 of the 3 major brokerage stocks have scCMF(14) values greater
BJ> than zero, the trend is up, else it is down.
BJ> One of the drawbacks of any indicator with a fairly lengthy look back
BJ> period, of course, is that it may not do what you expect on any one
BJ> given day. i.e., composite stocks down sharply, but the indicator
BJ> may actually rise slightly on that day, because of the look back
BJ> So my question:
BJ> It it possible, via a computer, to calculate tomorrow's value of a
BJ> particular indicator based on hypothetical price values? (I'm pretty
BJ> sure this could be done, but I don't know how to do it, other than by
BJ> hand, which can be a very long and laborious process.) To cut to the
BJ> chase, would it even be possible to input a desired situation on a
BJ> particular stock -- say, cross(0, scCMF(14)) -- and then get the
BJ> computer (AB, preferably, via some kind of scan) to give me the price
BJ> action that would need to take place to achieve this situation?
BJ> Yuki ^_^
BJ> mailto:yukitaga@xxxxxxxxxxxxx
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