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RE: [amibroker] Strong edge in daily forex data from amiquote - real or artificial?



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It depends on when your forex provider "closes" the market given it's a 24 hour market.  It's an arbitrary point in time.  Usually this is 5pm New York time for most spot forex brokers.  5pm New York time is typically very quiet because New York has wound down and the rest of the world is just starting to get into work.  Note that you should also consider the effect of the Friday to Monday open.  "Monday" starts on Sunday afternoon New York time when the sun rises in New Zealand and trading at this point in time is very patchy.
 
Another factor to consider is if your provider uses a European cutoff (00:00 GMT) or a New York 5pm cutoff.
 
Yet another factor to consider is what type of forex feed your data provider is giving you.  Is it a multiple-contributor feed from interbank dealing desks or a feed from a spot forex bucket shop?    7 pips is very limited when you consider the spread is usually 3-5 pips.  It's a round trip too, so you get taken on each side of the trade thus stopping this from being a viable trading system.
 
Lastly, you're looking at creating a very short-term intraday system using daily bars.  I'd recommend considering testing of intraday data instead with this type of trading system.
 
Best regards,
Richard Dale.
Norgate Investor Services
- Premium quality Stock, Futures and Foreign Exchange Data for
  markets in Australia, Asia, Canada, Europe, UK & USA -
www.premiumdata.net
 


From: kevinoversby [mailto:kevinoversby@xxxxxxxxx]
Sent: Sunday, 5 February 2006 3:31 PM
To: amibroker@xxxxxxxxxxxxxxx
Subject: [amibroker] Strong edge in daily forex data from amiquote - real or artificial?

I found that typically in a given period, over 80% of daily bars open
lower than previous close by an average of 7 pips.  When testing high
frequency daily systems, being in sync with this "edge" can turn a
good system into a great one, and conversely a disaster if out of sync.

The question is: is this a real effect that can be exploited?  What
times are the open and close of the daily bars recorded?  Are they
using bids or asks?



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