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<SPAN
class=257261017-26032003>Gosub,
Have
you visited the library at <A
href="">http://www.amibroker.com/library/
? There several indicators that address that very subject, albeit with varying
levels of success. You point out the very problem that automated systems have
with effectively measuring trend. Different Time frames tell different stories.
What appears to be a solid down trend over the last month may in fact be a minor
retracement of a longer term trend.
Jayson
<FONT face=Tahoma
size=2>-----Original Message-----From: gosub283
[mailto:gosub283@xxxxxxxxx]Sent: Wednesday, March 26, 2003 12:08
PMTo: amibroker@xxxxxxxxxxxxxxxSubject: [amibroker]
TRENDING vs. RANGING marketsHi everyone,I think
this issue will become more importantover the next year or
two.....When a human looks at a chart, he/she canimmediately
determine if a market is ina TRENDING mode or a RANGING mode.It is a
most amazing feat of human visualdata analysis that takes place in a
matterof seconds. Trying to get computers to "visually"analize anything
takes major computing power.Unfotunately computers and trading system
havea much more difficult time of determining thesemarket modes than us
humans.Things become very "fuzzy" when trying toput the question of
"Ranging vs. Trending" intomathamatical algorithms. And...of course..
thetrading timeframe (long term vs. short term),make things even
fuzzier. (is "fuzzier" a word ??)For those of us who program
automated systems,this is especialy important because it meansthat we
can design systems that adjust effortlesslybetween ranging and trending
markets. If correctlyidentified, a system can use a particular setof
indicators for Ranging markets and then switchto other indicators when a
trend is determined.Allowing for a truly autonomous system.Has
anyone found a way to mathamatically (reliably!)determine if a market is
Trending or Ranging ???(An AFL algorithm perhaps)In other words, an
indicator which can give directionas to which set of indicators to
use.(A hypothetical example of such an indicator wouldhave a response
from 0=ranging to 10=Trending )Cheers,Gosub283Send
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