Ups and downs


Central banks around the world are struggling to keep a lid on inflation, with sharp rises in oil and food costs causing consumer prices to leap in recent months. With few analysts expecting inflation to slide back in the immediate future, investors have piled into inflation-linked notes with embedded floors in order to profit from further spikes. In doing so, investors have become net buyers of volatility, helping to drive implied volatility on inflation higher. Now, with inflation volatili