From: "M. Edward (Ed) Borasky" <znmeb@...>
Date: 2007-08-01T12:53:50+09:00
Subject: Re: Candlestick charts in Ruby

M. Edward (Ed) Borasky wrote:
> Ams Lone wrote:
>> Hi - Do you know if there is an open-source package to do candlestick
>> stock/technical charts using Ruby?
> 
> You could probably hack something up pretty quickly on Windows if Excel
> is installed by using the OLE interface. If there's a similar
> candlestick capability in OpenOffice.org's spreadsheet or Gnumeric, you
> could do it that way.
> 
> Years ago when I was into technical analysis I had some blindingly fast
> Forth code and some moderately usable Perl 4 code that did point and
> figure charts, which is all I used. The Forth code was so fast it could
> have charted tick data in real time on an 8 MHz 80186 if I had tick data
> to chart. :)
> 
> I could go look for that -- it's probably on a floppy disk somewhere,
> although I could probably reproduce it in Ruby from memory faster than
> I'd be able to find a 15 year old floppy disk. Point and figure is a lot
> more fun than candlesticks anyhow. :)
> 
> Do you have real time data? Would you be pulling quote data off the web
> and using it? If they're still around, "stockcharts.com" had a whole
> bunch of unusual chart types, including an extremely nifty point and
> figure Java applet, candlesticks, and some charts I've never seen
> anywhere else.
> 
> 
> 
Now that I think of it, point and figure charts might make an
interesting Ruby Quiz. :) Let me go find some test data.