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'm not certain how to check the AMEX opening price. You could always call
them at 1 800 THE AMEX ... ask for Mike Bickford .. he runs options and
he'll get you to the right person there. If Mike is unavailable ask for
Steve Chicarello. Having said that their opening price is irrelevant. They
most likely traded it, as I mention, at the CHX. So all that could count is
the composite and it is possible the CHX even opened after the AMEX.
-----Original Message-----
From: grehert@xxxxxxxxx [mailto:grehert@xxxxxxxxx]
Sent: Monday, April 16, 2001 9:42 AM
To: realtraders@xxxxxxxxxxxxxxx
Subject: Re: [RT] Data question
Alex, Thanks for your help. I inquired to Brown & Co. and they said the
4/11 opening price for QQQ they got, 42.20, was from the AMEX and the 42.16
price was from composite trades. Who do I believe? How can I check the
AMEX opening price - it's not on their web site?
Jerry Rehert < ">grehert@xxxxxxxxx <mailto:grehert@xxxxxxxxx> >
---- Original Message -----
From: Jacobson, Alex <mailto:AJacobson@xxxxxxxxxxxxxx>
To: 'realtraders@xxxxxxxxxxxxxxx' <mailto:'realtraders@xxxxxxxxxxxxxxx'>
Sent: Thursday, April 12, 2001 10:56 AM
Subject: RE: [RT] Data question
Brown probably did the QQQ trade on the CHX .. not the AMEX. Payment for
orderflow drives that decision. Ask them where they did the trade.
-----Original Message-----
From: BobR [mailto:bobrabcd@xxxxxxxxxxxxx]
Sent: Thursday, April 12, 2001 10:38 AM
To: realtraders@xxxxxxxxxxxxxxx <mailto:realtraders@xxxxxxxxxxxxxxx>
Subject: Re: [RT] Data question
For 4-11-01 DTN satellite has the first tick as 42.11 at 9:30:06. Using
daily data it has the open as 42.16.
----- Original Message -----
From: Jerry Rehert <mailto:grehert@xxxxxxxxx>
To: RealTradersDiscussionGroup <mailto:realtraders@xxxxxxxxxxxxxxx>
Sent: Thursday, April 12, 2001 7:19 AM
Subject: [RT] Data question
I have a question about my data integrity. I have a system that buys and
sells QQQ on the opening. It's based on price and volume of QQQ and DIA. I
get my EOD data from Worden brothers and run the system in SuperCharts.
I assumed the open price on QQQ from Worden Brothers was real. Yesterday
4-11-01 my purchase of QQQ through Brown & Co. was at 42.20 on the opening.
Worden brothers (and Yahoo's) opening was 42.16. Brown & Co. says the
opening was 42.20. Worden brothers can't explain the difference. The AMEX
website doesn't give the opening.
I figure the problem is composite opening price vs. AMEX opening price.
Can anyone tell me what the AMEX opening price of QQQ was 4-11-01 ? The
price difference wasn't significant but I question the integriry of my
system based on backdata obtained from Worden Brothers.
Any comments or suggestions? Thanks in advance.
<<grehert@xxxxxxxxx>>
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