As someone who trades for a living I just want to say that in today's market you can save some coding by assuming that close=low.
Sadly, Henry Rich > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Devon McCormick > Sent: Thursday, November 20, 2008 10:55 PM > To: General forum > Subject: Re: [Jgeneral] Stock chart plotting > > Here's an example of an OHLC chart: > http://www.amcharts.com/stock/ohlc-chart/ . > I see how this is an attempt at something like this but the > data doesn't > make sense as the first entry has a closing price lower than > the low price. > > On Thu, Nov 20, 2008 at 10:46 PM, Sherlock, Ric > <[EMAIL PROTECTED]>wrote: > > > ---Tom wrote: > > > Does anybody know if plot can do OHLC (open/high/low/close) style > > > charting? I see it can do high/low, but not OHLC. > > > > Not out of the box, but you can pretty easily make a custom > plot to do the > > job. > > This one is a start but could be improved. > > > > plot_olhc=: 3 : 0 > > ''plot_olhc y > > : > > hl=. 1 2{y > > oc=. 0 3{y > > ntics=. {:$hl > > oc=. ,|:oc > > oc=. (2#i.ntics);oc > > pd 'reset' > > pd 'xticpos ',": i.ntics > > pd x > > pd 'type line' > > pd oc > > pd 'type hilo' > > pd 'color red' > > pd hl > > pd 'show' > > ) > > > > NB. Example data > > data=: 0".> <;._2 ] 0 : 0 > > 71.93 72.99 73.32 71.89 73.86 > > 72 73 73.6 72.2 74.3 > > 71.5 72.25 73.2 71.8 73.2 > > 71 72 73 72 73 > > ) > > > > Note 'examples' > > plot_olhc data > > 'color red;pensize 2' plot_olhc data > > 'xlabel Feb Mar Apr May Jun' plot_olhc data > > ) > > > ---------------------------------------------------------------------- > > For information about J forums see > http://www.jsoftware.com/forums.htm > > > > > > -- > Devon McCormick, CFA > ^me^ at acm. > org is my > preferred e-mail > ---------------------------------------------------------------------- > For information about J forums see > http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
