CAUTION; re my previous comment: 'It appears that it is either not possible or difficult to 'create'holes via AQ downloading but it is something to watch out for'.
With a some further playing around I have managed to create a datafile with 'holes' in it by manually downloading/importing with specific from/to dates. screenshot file at AMIQUOTES folder. Brian. --- In [email protected], "brian.z123" <[EMAIL PROTECTED]> wrote: > > Allan, > > I have very little experience of Yahoo/AmiQuote but from my initial > trials I have two areas of concern: > > 1. From the help files V1.90 Beta June8, 2006 > > Yahoo uses server load-balancing so data are delivered by many > servers "appearing" under one URL. Problem is that some servers from > timem to time are not updated (offer only old data) while others are > up-to-date. This new setting allows to handle such cases by selecting > the server that is up-to-date. Default setting is "ichart.yahoo.com" > which works in usual load-balancing scheme (switched servers). But you > can also select Server B, C, D, and E. As of today (June 8th) servers > B and D offer up-to-date data, while server C and E offer old data > (only upto 4th and 3rd of June respectively). This may however change > at any time. Please note that selection of Servers C, D and E is > available only in registered version of AmiQuote. > > That is from the notes for an earlier version so I am not sure what > year that is relevant to, if it still applies and/or if it only > applies to historical data or to current and fdata downloads as well. > > 2. My second concern was to find out if it is possible to create holes > in the data by mis-managing the download(s). > > After a little playing around I am of the opinion that AQ works by > backfilling from the biggest 'hole' in the data to the present by > default except where the user asks for more data than the default date > via use of the 'download from' date. > It appears that it is either not possible or difficult > to 'create'holes via AQ downloading but it is something to watch out > for. > > Brian. > > P.S > > A couple of minor points re the difficulty of managing symbol lists > with Yahoo: > > I haven't found a way to get a complete list of all symbols that Yahoo > has data for and also while the consituent lists for indices can be > downloaded manually they can only be taken 50 at a time. > For large indexes it is a bit cunmbersome and then the lists have to > be patched together. > > > --- In [email protected], "matrix10014" <allansn@> wrote: > > > > Hi all, > > Just setting up Ami,for the first time and was wondering if there > were > > any strong feelings regarding yahoo EOD vs Quotes plus?? > > > > Any major benefits or drawbacks?? > > > > Any insight appreciated > > > > Allan > > > ------------------------ Yahoo! Groups Sponsor --------------------~--> Yahoo! Groups gets a make over. See the new email design. http://us.click.yahoo.com/XISQkA/lOaOAA/yQLSAA/GHeqlB/TM --------------------------------------------------------------------~-> Please note that this group is for discussion between users only. To get support from AmiBroker please send an e-mail directly to SUPPORT {at} amibroker.com For other support material please check also: http://www.amibroker.com/support.html Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/amibroker/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
