Is it possible to backtest a password protect formula

[Patrickjokerpr]

Can you backtest some of the MS plug-in like PowerPivot plus using Tradesim to get some results?

[Jose]

Backtesting MS password-protected formulae is not a problem - their output is identical to standard non-protected ones.

However, take a step or two beyond backtesting, to the point where you need to understand and trust the trading strategy. It's not easy to do this with password-protected formulae, as for all we know, the author may be using hindsight indicators such as ZigZag to get (unobtainable in real life) excellent backtesting results.

jose '-)

[sectorbets]

You took the words out of my mouth, Jose--building our own trading systems is a lot more work, but we know where we are when we are done.

I might mention that you might have to use the output of the password protected trading systems to generate a text file of all the entries and exits rather than relying on the TradeSim interfaces to MetaStock to do it for you--you'll have to figure that our once you get into the testing.