From: "M. Edward (Ed) Borasky" Date: 2007-08-01T11:44:44+09:00 Subject: Re: Candlestick charts in Ruby 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.