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MacroOptions's avatar

Hi James - love the daily update! Do you mind me asking from where do you mine the options data that you share in your newsletters?

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Russ Abbott's avatar

Final question. These days I tend to think of the size of a position (actually the size of a commitment for a given underlying) in terms of the aggregate maintenance requirement for all the positions in the underlying. When that amount goes beyond about 3% of my account value, I start to feel uncomfortable and think about trimming it. Do you have any rule of thumb in that regard? Is there a mental limit you tend to impose on your positions?

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