(FINANCE) using financial derivatives to guarantee against losses. Typically used by non-traders, such as companies engaged in international commerce, to protect themselves against foreign exchange risk (i.e., the possibility that a customer's currency will decline in value).
BILL: You know, I think that financial derivatives are just a huge sinkhole. The people who trade them are just a bunch of wankers who move bits of paper around but add nothing of value.
ANNA: Well, they do provide some important benefits.
BILL: Name one.
ANNA: Covering risk, for one. If you're an airline, you need those aviation fuel options.