On Sunday, a statement issued by the Frankfurt-based lender called the latest charges "regrettable" and said it "sincerely regrets the impact on the Kospi market of an index arbitrage position unwind involving a small number of Deutsche Bank Group employees".

BBC: Deutsche Bank charged in South Korea over stock rout

It takes forever to build a position or unwind one, but I find the yields--above 10%--sufficiently enticing to dabble therein.

FORBES: Magazine Article

To unwind a position, you just do the opposite of what you did in the first place.

BBC: Glossary of the credit crunch