[Ben Andersen]

Thank you. I am trying to figure out what the acceptable costs would be if wanted to do this strategy by shorting the inverse 3x ETFs like TMV and SPXS.
With my current (US) broker there is a “hard to borrow” fee of 2%/year – and it looks like the margin interest rate is then on top. Any guide lines as to when the cost outweights the benefits shorting inverse 3x ETFs?
Regards!

[Author]

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