Multi Instrument strategy

[dafonseca]

Lets suppose I want to define a trade strategy which buys when the SMA of the difference between spot (or short term future) minus long term future price (for the same asset) are Falling (another condition coulf triggered the order).
What would be the best way to set it? can I add SMA of a price difference between two terms?(same asset).

[NinjaTrader_Lance]

You can use different data series values to access different points from a different instrument.

Example of comparing current prices: http://www.ninjatrader.com/support/h...tml?closes.htm

For accessing the different SMA values you would want to use the correct BarsArray: http://www.ninjatrader.com/support/h...?barsarray.htm

For a good multi series script guide: http://www.ninjatrader.com/support/h...nstruments.htm

Let me know if I can further assist.