[MichaelApproved]

If you can find shares to borrow, are willing to pay the 30% fee, and can handle the swings of a spike higher, go for it.

What will last longer, your solvency or the market’s irrationality?

[gruez]

>[...] are willing to pay the 30% fee [...]

that's per year. If it goes down 30% half a year from now you'll still be ahead.