I've wondered about this also and the effect it has on my backtesting. I have a LONG strategy that scans the NDX 100 list. I am backtesting 10 years. The...
It is a significant bias known as "survivorship bias" in other forums, so bad that it invalidates your backtesting completely. What you need is the data as it...
Hello, A call to R2_QP_ReadIrlFile (QPDevKit22) returns -1. I can't figure if it is a problem with my code or the function, and this particular error code is...
There is a new preferred stock trading as bbt-a (bbt-pa). QP has it as bbtpra which I believe is the old way you used to code these things. As long as you have...
Good evening all, Symptoms: download and run DB update. Message "No files processed". I deleted and re downloaded. Same result. Tried to open the file and got...
Hi Which server are you using, that 08100600 file went out this morning about 4AM. I've updated fine from www.qp2.com This shows how to change servers: ...
Good evening Gary, I was downloading from QP2B. Changed to QP2. File 00 from the QP2 server is twice the size 900 something vs 400 something. Update thinks it...
QP has the last dividend ex-date for SLB as 6/2/08..payable on 7/11/08. Yahoo has this..and the last dividend with ex date of 8/29/08. I already receive d the...
Ticker dht is missing september's dividend. This dividend is in Yahoo so it has been released. Ticker SLB is still missing its dividend in QP. Are dividends...
I'm looking into these, it looks like we didn't get all the dividends on that day. Best regards Gary ... From: investor952 To: quotes-plus@yahoogroups.com ...
Hello Gary..it is 8:26 PM Pacific Time. I just did my daily update. DFR is not fixed. Dates prior to today's are NOT ADJUSTED for the 1 to 10 reverse split. ...
Hi I sent you an email earlier on this, the only way is to reinstall Best regards Gary ... From: biostarr To: quotes-plus@yahoogroups.com Sent: Tuesday,...
Hello These are all corrected now, I just sent them out. Best regards Gary ... From: investor952 To: quotes-plus@yahoogroups.com Sent: Thursday, October 16,...
Updating on my laptop (a Tablet PC running under Windows XP) still does not work. I tried everything I could including reinstalling from a CD, downloading from...
The amount I get on my graph appears to be one or two orders of magnitude higher than prior volumes. It is so high, that the prior volumes can bearly be seen...
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the quotes-plus group. File : /Nasdaq 100...
quotes-plus@yahoogrou...
Nov 2, 2008 2:58 am
18671
I just uploaded a .ppt of my survivor bias results to the Files section. Look for "NASDAQ 100 Survivor Bias Study.ppt" Todd K....
I just installed QP3 on my new laptop and downloaded all data. When the data was being processed, a message box came up saying something like "stock file for...
I found a corrupt file 08110400.ZIP under incoming folder, which may explain the Nov 14 data is missing. Now where can I get this file and let the downloader...
Hello I have corrected that file on the server, you can download again and it should be ok. If you said Yes to the Is it OK to continue message, then you will...
I have been downloading at 6:05 Mountain (8:00 Eastern) for many years. On occasion, I would have to go back for another download to get the commodities....
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