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Hello,
First your backfill with IB and 'sec' data will be very limited. What I do
is change the database settings to 1 minute and then download data dependent
on time back fill needed. Then change back to 'sec' or tick data in my case.
On some indexes I follow I also get the message you get and came to the
conclusion perhaps IB no saves data!
Now on I do a SetForeign, Restore Price Arrays formula (below) on the these
symbols in one of my main charts and at the end of the day ever thing is
charted, then save the various symbols by bring up a chart or do a formula
scan to save the data.
Why you have a diff of 5 sec and 15 sec me do not know.
Hope this helps,
Jerry
SetForeign( "QQQQ-ISLAND", True );
QQQQOpen = TimeFrameGetPrice( "O", inDaily, 1 );
QQQQClose = Foreign( "QQQQ-ISLAND", "close", 1 );
QQQQChange = QQQQClose - QQQQOpen;
QQQQPerCentChange = ( QQQQChange / QQQQOpen ) ;
RestorePriceArrays();
-----Original Message-----
From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On Behalf
Of wang002157
Sent: Thursday, August 06, 2009 8:22 AM
To: amibroker@xxxxxxxxxxxxxxx
Subject: [amibroker] IB Backfill Problem
Hi,
I'm using amibroker 5.2 with IB data plugin ver.1.8.4..
I have set the database base time settings to 5 sec. It's very weird that
the backfill for HKFE and SEHK symbols have no problem, but there is error
reporting for most other symbols and the backfill failed.
The erro message as follows:
Last Message from TWS:
Msg 28, 162, Historical Market Data Service Error Message: HMDS query
returned no data: XXXXXXXXXX(symbol name) midpoint
However, the backfill for all symbols are OK when time settings changed to
15s or above.
I'm not sure if this problem is caused by inproper settings or current
uncorrected bug of data plugin.
Will anybody with the same problem share your experience with me?
Or what shall I do to solve this it?
Thank you and waiting for your response.
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**** IMPORTANT PLEASE READ ****
This group is for the discussion between users only.
This is *NOT* technical support channel.
TO GET TECHNICAL SUPPORT send an e-mail directly to
SUPPORT {at} amibroker.com
TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at
http://www.amibroker.com/feedback/
(submissions sent via other channels won't be considered)
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http://www.amibroker.com/devlog/
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