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I would lump that - and arbitrage - into "out trading". My #1 is making money on the underlying asset, #2 is making money on the trade, and #3 is making money on the mechanics of the trade.BWV said:4. selling insurance (which is what short option positions do)
#2 is a zero-sum game. Before engaging in that, it behooves one to understand what they are betting on, what their counterparty is betting on, and it wouldn't hurt you to know a little bit about who the counterparty is.
If you have an "unbeatable system", and your counterparty is the big Wall Street banks and brokers, it might be worth rethinking this plan. The big banks didn't get that way by having a net outflow of money.
It's also important to look at the statistics in detail. If I have a trade that earns me money 99% of the time, what happens in the other 1%" In a zero-sum game, I lose 100x (ok, 99x) as much as the average trade. If that number is smaller than 99x, what's in it for the counterparty?
One last word on "selling insurance" - if your plan involves selling insurance to Allstate, you might rethink it as well.