If you want automatic fixed fractional position sizing for futures or for Forex Direct, Indirect Pairs
MicroTrends NinjaTrader Framework 7.0.0.27 has the solution already built and ready to use.

It's a simple case of setting your desired maximum risk per trade and the strategy engine will work out the position sizing for each trade – it will filter trades that fall outside of the maximum.

Via performance stats you can also establish the best settings for drawdown limits, wins and losses.
With the v 7.0.0.28 it even trims and self adjusts it own stops and targets based on performance in real-time – and risk reward requirements based on daily atr, range or user defined self adjusting targets and stops.

There is simply too much too mention... online HTML help guides are being written.
The download will released this weekend in time for Monday.
http://www.micro-trends.co.uk/ninjatrader-downloads/

Pictured is the MT3 High Low trader – set to run on a schedule of Tuesday to Friday – between 07am and 11am GMT – filtering by maximum ticks per lot, current range >25% of 5 Day atr smoothed average, maximum risk per trade of 2.%, with position sizing on a $400 account, stops above the high + 5 pips or trimmed in to 2.5% risk Max 2 targets 1 for 50% of the usual 5 day range and 1 to let run through the rest of the day – with an automatic ATR trailing stop.

Trade Setup = new low or high
Trade entry – close above/below structure low/high setup candle

There are over 1024 candle and price action permutations that can be applied to the setup and entry and a growing number -provided the MicroTrends NinjaTrader Framework Strategy Base Common Signals and filters.

This Ninjatrader Strategy is 100% free for sim trading and testing, it is also free for live trading until we are out of beta phase.

This chart was created by NinjaTrader. NinjaTrader is a FREE application for advanced charting, market analytics, automated strategy development and trade simulation. Download it now at www.ninjatrader.com