Data problem - Trading Software

Data problem

Juliettpapa
2011-04-15 03:17:24

Every time when I start QuantShare ALUM (in example) starts downloading wrong values (from where?)
When I delete the wrong data and download it manually with the right downloader the values are OK.

Next time when I start QS I have the wrong values again?

Where does QS take these wrong values from?

Regards
Joerg

Video:

http://www.screencast.com/users/Juliettpapa/folders/Jing/media/4a923136-c8dd-4704-96bc-99f2b94eabcf

QuantShare
2011-04-15 08:07:34

Best Answer

This is because you have "Download -> Auto-Download Quotes" enabled and the auto-downloader gets data (when chart is loaded after app starts) from another downloader (Probably Historical Stock Market Data item).

Juliettpapa
2011-04-15 08:26:29

Bull's eye!

:-)

Juliettpapa
2011-04-15 08:44:19

I will go crazy!

Because there where some "runaways" in my data i decided to download all ETF again with option "remove old data".
start end end dates: from 01.01.1900 to Today

After downloading i have data starting in april 2011. (despite of that i have had data from years before....) Where have they been gone?
And where did i download it earlier?

It seems that one should take into consideration that i will last months to learn QS :-(

Only a few data after downloading all again:

http://www.screencast.com/users/Juliettpapa/folders/Jing/media/89df85cb-4546-411b-8e77-1b0705ba866f

Joerg

QuantShare
2011-04-15 09:01:09

If "Last symbol date" is checked then "From" date will not be used. Make sure it is unchecked.

Juliettpapa
2011-04-15 09:09:57

Have done so....

http://www.screencast.com/users/Juliettpapa/folders/Jing/media/9e4138c4-0ef6-40f1-92e4-b8be826fc811

QuantShare
2011-04-15 09:18:03

I found the problem.
It is because the data provider uses a default start date (2010) if the provided date is far (1900).

Change 1900 to 2000.

Juliettpapa
2011-04-15 09:23:45

pfff

Thanks!

Get more messages

No more messages

Back


Trading Items Insider trading data Futures, Forex and Indices Data Daily US Stocks Data RTS RU data Brent and Crude Oil Continuous Futures Contracts - Intraday Data	How-to Lessons How to download historical EOD data for penny stocks How to quickly download the most recent EOD data for your stocks How to download and use U.S. stocks earnings data How to export trading data to a CSV file How to create trading rules based on Put and Call volume data
Related Forum Threads problem with nse data Problem downloading EOD data for Paris stock market (Euronext Par... Problem with EOD Historical Data for LSE Listed Stocks data problem Problem with data from Bloomberg	Blog Posts How to filter quotes data from high and low price spikes 6 ways to download free intraday and tick data for the U.S. stock... How to make sure your Historical Price Data is Split Adjusted Create custom metrics for the statistical data analysis tool Charting, Backtesting and Trading using Fundamental Data