Mark thanks for replying... WOW, seems to me that I am in front of a VERY HIGH knowable trader and my experience and model would be too simple for you.. as I said, I only trade Commodity Options and only do Selling, working on the Options Sellers model, but hopefully not greedy and VERY small.. However in 18 months my NLV has grown 78%.. love to learn more and try to keep it as simple as possible.. i Luis