Mike, THANKS A LOT !!! that's just what I need !!!!
--- In [email protected], "Mike" <sfclimb...@...> wrote: > > Hi, > > Your message is a bit confusing since what you are asking for is completely > different from the example graphs that you have provided. > > I believe that the example graphs are showing the performance to date of each > symbol on a single chart (i.e. two independent lines), whereas you appear to > be asking for a single line showing performance of one symbol relative to the > other. > > That being the case, here's an example: > > DIAClose = Foreign("DIA", "Close"); > IWMClose = Foreign("IWM", "Close"); > Diff = (DIAClose - IWMClose)/IWMClose; // Expressed as a percentage. > > Plot(Diff, "Diff", colorRed, styleLine); > > Mike > > --- In [email protected], "Alexander Shelupinin" <shelupinin@> wrote: > > > > Hi ! > > I want to explore the opportunitie of pair trading, i.e. to trade 2 > > instruments with very high correlation, if , say, the difference in 2 > > instruments increased over it's historic value than put a trade with a bet > > that their difference will come to lower value, close to historic value. I > > gonna trade index ETFs. > > Here is an idea what I mean: > > http://finance.yahoo.com/q/bc?t=1d&s=DIA&l=on&z=l&q=l&c=iwm > > http://finance.yahoo.com/q/bc?s=dia&t=1d&l=on&z=l&q=l&p=&a=&c=spy > > http://finance.yahoo.com/q/bc?t=1d&s=QQQQ&l=on&z=l&q=l&c=iwm > > http://finance.yahoo.com/q/bc?t=1d&s=QQQQ&l=on&z=l&q=l&c=dia > > > > So the question: Could someone help and write a simple code that will draw > > a chart of difference between mentioned ETFs: IWM, SPY, QQQQ, DIA. I mean > > not a chart of symbol, but chart of 2 symbol difference, say {DIA} minus > > {IWM} or {QQQQ} minus {DIA} > > > > thanks a lot for any help !!! > > > > Alex > > >
