RKL, there is one basic money-management rule you should be applying if you want your 200k to last you longer than a few weeks. That is the risk size rule. You never want to risk more than about 2% or 3% of your entire portfolio on any one trade. That's RISK size, not TRADE size. So if your trade was, say 25k-worth of exposure to AGL, then your risk would consist of the amount lost before the stop-loss triggered.
On a 200k portfolio, if you're happy with a 2% risk, then you would automatically exit the trade once you've lost 2% x 200k = 4k. This would apply to ANY trade in your portfolio irrespective of exposure. In other words, it doesn't matter if you're trading shares, installments, waves, warrants or SSFs - once that 4k has been breached, then get out.
This technique is very simple, very neat, and will allow you the latitude to make about 25 losing trades in a row before you wipe out your account. The way you're doing it currently could you wipe out in about 4 trades.
