<br><br><div class="gmail_quote">On Fri, May 21, 2010 at 10:08 PM, Fernando Vilas <span dir="ltr"><<a href="mailto:fvilas@iname.com">fvilas@iname.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
On Friday, May 21, 2010 16:58:16 Brian Cappello wrote:<br>
[...]><br>
<div class="im">> Intraday Quotes/Company Info/Fundamentals: Query the backend with a<br>
> ticker symbol and desired parameter(s?); get results back.<br>
><br>
> Input:<br>
><br>
> Symbol<br>
><br>
><br>
> Output Parameters: [What does everybody want? What am I forgetting/don't<br>
> know about? What kind of a balance between “base” statistics and “derived”<br>
> statistics are we trying to achieve?]<br>
><br>
><br>
> (high priority: required)<br>
><br>
> struct (OHLCV) [Date/Time, Open, High, Low, Close, Volume[, Open Interest]]<br>
> (Should this strictly be a part of the historical backend, or also provided<br>
> here for convenience?)<br>
><br>
> struct (POHLCV) [[Previous] Date/Time, Open, High, Low, Close, Volume[,<br>
> Open Interest]] (Should this strictly be a part of the historical backend,<br>
> or also provided here for convenience?)<br>
</div>[snip lots of fields]<br>
<br>
We had a request on the KMM list a while back for tracking Beta. It is the way<br>
that volatility is measured for the CAPM style models. Folks doing portfolio<br>
analysis tend to like that particular statistic, and Yahoo! has it on their<br>
pages. If it is easy to get in the csv, I would say to grab it as well.<br></blockquote><div><br>I'm not familiar with Beta, but I can definitely add it. It's not provided in the CSV so I'm going to need to do some research into regular expressions/parsing websites, but that's fine, because it's needed for the majority of these options. <br>
</div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div class="im"><br>
><br>
> (high priority: required)<br>
><br>
> Historical Data: Downloaded and/or imported locally from CSV. Support CSV<br>
> export. Primary source (Yahoo/OtherInternetz/local CSV directory) should be<br>
> configurable (to not exclude users who have paid for higher quality data<br>
> sources than Yahoo).<br>
><br>
<br>
</div>ACK. Historical quotes are a slightly different animal from current quotes, but<br>
it is an area that has not yet been addressed in KMM. I do not know if other<br>
apps have some code that would help, though.<br></blockquote><div><br>I do have some code, but its time-conversion algorithm isn't based relative to the oldest data, it doesn't have support for adjusting prices, and there's no logic for all the various corner cases of merging two sets of data. Otherwise, it more or less works as advertised. Getting it to work over DBus will probably be my biggest challenge... :)<br>
</div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<br>
[snip rest of email]<br>
<div class="im">><br>
> Well, I guess that's about what I think we'd eventually want. But it's also<br>
> probably *really* ambitious... at least to complete all of that within 3<br>
> months. But, I also have no intention of stopping after mid-August so, yea.<br>
<br>
</div>It is normally better to have more work than schedule. It often makes for<br>
amazing results, and if the work does not get finished, it makes planning for<br>
release n+1 easy :-).<br>
<font color="#888888"><br>
--<br>
Thanks,<br>
Fernando Vilas<br>
<a href="mailto:fvilas@iname.com">fvilas@iname.com</a><br>
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<br></blockquote></div><br>