Hi EFHL

If you already have advance and decline data already stored as separate securities you can use the Security() function to call these values into a custom indicator and then code that indicator to generate the required plot. If you don't have version 8.1 or later (assuming you're using an EOD version) you would need to attack the problem a different way, but it could still be done.

Roy

Hi EFHL

I’m a little lost as to how we moved from Advance and Decline securities to IBM and GOOG so forgive me if my comments or suggestions are totally irrelevant. A concept that maybe you haven’t grasped is that you can use the Security() function to call almost any security OR indicator plotted on that security into a custom indicator, exploration or expert. Here are a few examples of how you can call price arrays from specific securities, but notice that you can also call the results of MetaStock functions or custom formulas (indicators) as generated by those same securities (or completely different securities if that’s what you want).

{<New Indicator>}

S1:=Security("C:\Data\US\NASDAQ\G\GOOG",C);

S2:=Security("C:\Data \US\NYSE\I\IBM",C);

S3:=Security("C:\Data \US\NASDAQ\Advance",C);

S4:=Security("C:\Data \US\NASDAQ\Decline",C);

S5:=Security("C:\Data \US\NASDAQ\G\GOOG",Fml("Multi-Frame D ADX"));

S6:=Security("C:\Data \US\NASDAQ\G\GOOG",Fml("Trade Equity LE"));

S7:=Security("C:\Data \US\NYSE\I\IBM",Mov(MP(),10,E));

S8:=Security("C:\Data \US\NYSE\I\IBM",Fml("Kaufmans AMA"));

S3-S4; {other variables are examples only}

All I’m doing with the above indicator is defining a series of variables. With those definitions in place I can use S1-S8 to put together my own weird custom indicator using any or all of the data already collected. If all you wanted to do was plot a line that returned Advances – Declines the output would be as above, i.e. ….

S3-S4;

Once any data has been called by the Security() function you can treat is as you would any other price or data array. Where does this result get plotted? Again, drop your indicator onto any open chart and it will plot the same result regardless of the chart that’s active. You can also call Fml("<New Indicator>") into an exploration, an expert or another custom indicator (be careful with this last one as it’s easy to make a mistake and have nothing work as intended).

I guess what I’m trying to say is that the Security() function allows you a huge range of choices. Putting the possibilities into effect is not the difficult part – it’s getting your head around the many different ways that the function can be exploited.

Roy