Vix spikes as short volatility trade gets tougher


Trading in Vix futures hit an all-time high in January as volatility spiked around concerns about the impact of slowing growth and US Federal Reserve tapering on emerging markets, but some market participants are also blaming central bank intervention for making a reliable short volatility trade trickier to execute. Investors traded 4.4 million Vix futures contracts in January, a 52% increase from the same period a year earlier and 38% higher than December, a rise largely attributable to a Ja