If the other pairs were thrown in, their trade sizes would be divided over the TOTAL portfolio pairs. No additional risk would be taken. The reason for the dilution would be to capture the different timeframes of volatility as fast as possible. There is a slight acceleration of realized due to the percentage default trade ticket, giving a slight martingale.
Quote from jasonjm:
I agree with those numbers
BUT
check the move I am talking about - didnt even happen 2 years ago, check your chart from AUG 2003, when GBP ran one way from 1.55 until 1.90
3500 pips oneway ride
3500
+3480
+3460
....
total drawdown? about 300 000 pips
unrealized profit of -300 000 pips? even trading on an account with $300 000 of capital, $1 per pip would give you a margin call
and thats just 1 pair
throw in the other USD pairs and you get massive losses accross the board