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Artur Sepp - Conditional Beta (S2E5)

Flirting with Models

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Is Continuous Delta Hedging a Good Idea?

You actually wrote a paper on this, right? I think I read it, it's on SSRN about sort of the idea of continuous delta hedging. You have say cost reward, your reward will be always say spread between implied and realized,. Now minus transaction costs, which are the quadratic function of your occasion frequency. And then you have risk, which is volatility of your portfolio, which you can reduce by occasion frequently. But then if you hedge frequently, you have more transaction costs. So we have our sharp ratio, we can optimize and we can solve explicitly given estimated spread, transaction cost and volatility of stock. It's a perfect risk reward balance and we can actually optimize

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