Bond Trader Buzzkill Is the Suspicion That Losses May Come Fast

Making easy money in the bond market has perhaps never felt this unnerving.

Bond investors are questioning themselves as they cast aside their historical models and watch their debt holdings keep on rallying -- thanks to central banks across the globe that are making government bonds scarce by hoarding trillions of dollars worth of them. So, even though the $40 trillion broad global bond market is handing investors above-average returns in 2015, asset managers are preparing for catastrophe.