Once in 3 billion years? Fix your model.
The Oct. 15 gyration, when Treasury yields fluctuated by almost 0.4 percentage point, was an “unprecedented move” that would have serious consequences in a stressed environment[…] Treasuries are supposed to be among the most stable securities. […]It’s just a matter of time until some political, economic or market event triggers another financial crisis, he said, without predicting one is imminent. The Treasuries move was “an event that is supposed to happen only once in every 3 billion years or so,” Dimon wrote. A future crisis could be worsened because there “is a greatly reduced supply of Treasuries to go around.”