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My service shows a 5499 low for the daily bar. It is possible that 5493
includes over night trading. I show though that it traded 5492
overnight.
By the way, I would think twice about any FOREX system that does not
include night trading since there is probably more activity in the
currency markets when we are asleep than there is during the brief CME
day session hours.
Steve Poser
--
Steven W. Poser, President
Poser Global Market Strategies Inc.
http://www.poserglobal.com
User7@xxxxxxx wrote:
>
> RT's,
>
> I have a question about data reliability. One of the systems that I trade
> looks for a narrow range day using end of day data. Today I decided to get
> aggressive with the system and look for tomorrow's setup before the market
> closed. I watched the June D-mark all day long and noticed that the low was
> .5499. I went short before the close so that I might be able to get a few
> extra points profit if the market gapped lower tomorrow.
>
> Anyway, when I checked my charts this evening, I found that the low was
> actually .5493. This different low price would not trigger my system, so now
> I'm thinking that I screwed up and I'm short D-marks.
>
> Obviously one of my sources of information was wrong, so I went to the CME web
> site and checked the official low. They've got it listed as .5493, so my data
> vendor was right. I still wasn't convinced, so I looked at the time sales
> data to double check, but I couldn't find a trade at .5493. The lowest price
> was .5499.
>
> My question is, what is the real low? Did the CME screw up? Is this a common
> error? I expect my data vendor to be wrong on occasion, but not the exchange.
>
> We risk thousands of dollars every day trusting the data that the exchange or
> our vendors deliver. How much of the data that we use to make trading
> decisions is incorrect?
>
> Any help with this is appreciated.
>
> Bill Walker
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