How can I divide a stock (or index) into sections, overlay them, average them and then plot them on the same chart with a percent vertical scale? Say in t = total time period, n = number of sub-time periods.

For example; WMT, t=10yrs, n=10. So the plot would show year 1, year 2 … through year 10 (10 graphs so far). Next calculate the average of the 10 graphs and add it to the same chart drawn with a bold wider line. So there would now be 11 graphs on one chart with a percent vertical scale.

Thanks for you help

I looked at the "WealthScript Techniques | Relative Performance Chart" as you suggested in an earlier post. Great suggestion, as this file gives y axes in percent and allows multi charts to be displayed.

string[] benchMarkSymbols = {Bars.Symbol, "INTC", "AAPL", "SPY" };
Color[] colors = {Color.Green, Color.Blue, Color.Red, Color.Black }

I would like to select a group of stocks which I can chart without “hard coding” each stock symbol into the file. When I select a group of stocks, I do not see the pricepane, it only appears when I select one symbol and then the price pane displays all “hard coded” symbols. Can one do this?

QUOTE:
When I select a group of stocks, I do not see the pricepane, it only appears when I select one symbol and then the price pane displays all “hard coded” symbols.

When you select a group of stocks, this is Multi-Symbol (portfolio backtest) mode. The example strategy works in both MSB and SSB (single-symbol mode) if you click "Execute".

QUOTE:
I would like to select a group of stocks which I can chart without “hard coding” each stock symbol into the file.

Since you didn't specify how exactly Wealth-Lab should recognize the group of stocks, you could, for example, see "Another solution" in the same KB article you're referring to, or use Input for interactivity.