i'm getting offers like this - http://secfilings.nyse.com/filing.php?doc=1&attach=ON&ipage=8501424&rid=23
No chance the banks are hedged on the other side of the note... Or that banks routines issue these notes because investors are greedy for yield in a very low interesting environment? Of course not... must be because of some grand conspiratorial scheme....
They hedge out the risks and charge you 1-5% for putting it together. Advantage to them: they get 1-5% and have little risk. Advantage to you: you get a structured payout you could do on your own.