Sangmane, thank you very much for your help. As I said above, it is greatly appreciated. Regards, Squanto.

Sangmane: No misunderstanding. Just a syntactical error on my part. I should have used Bid & Ask in my narrative, as I did in my code sample. It's a variable, not a function... So tell me - the one thing I think you said, but have not seen you ...

Sangmane: Thank you. It sounds like the answer to my question (a) is "yeah, use Close[0] in an indicator," and (b) is, "No, don't use Bid() and Ask() in Indicators if you want to be able to backtest them." It sounds like you've also told me that ...

Sorry, guys... I had already reviewed the code against a number of comment threads that were related to iCustom not working, and had fixed the usuals - no optional parameters provided, incorrect index or buffer being read, indicator name wrong... I ...