How do I compare the current ask price with previous ask price?

[johnnyebegoode]

How do I compare the current ask price with previous ask price?

Is it....
????
GetCurrentAsk() < GetCurrentAsk(-1)
????

Thanks!

[NinjaTrader_Bertrand]

johnnyebegoode, this is unfortunately not possible this way, as the GetCurrentAsk would only give you access to the current value, it would not offer historical values via indexing. You can store a Ask value into a variable and then compare the new GetCurrentAsk() to this variable value.