Denmark suffers the latest tragedy of "Currency Wars"After half a decade of growing ever sleepier, the currency market has started the year with its most volatile period since 2011. As the victims of the Swiss franc detonation lick their wounds, Denmark is battling to avoid its krone becoming the next victim of the global currency wars, wielding a combination of negative interest rates plus market interventions to sell its own currency plus scrapping government bond sales as it defends its peg to the euro. I’ve seen this movie before; it never ends well. Denmark sprang a rate-cut surprise last week; the central bank will now charge you 0.5 percent for the privilege of having kroner on deposit. The bank’s third easing in less than two weeks came after it spent as much as 100 billion kroner ($15 billion) this month trying to weaken its currency, according to estimates by Scandinavian lender Svenska Handelsbanken. Taking on traders is an expensive business. The Swiss National Bank reminded us a fortnight ago that nothing is ever truly sacred in financial markets, abandoning its cap to the euro just days after declaring the policy sacrosanct. Since then, keeping the Danish krone close to a central rate against the euro of 7.46 — the official wiggle room is a 2.25 percent corridor around that level, the actual room for maneuver has been more like 1 percent — has kept the central bank’s trading desk busy More