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Mathematics and computation

Mathematics and computation

Crash, bang: the rollercoaster physics of ultra-long financial bonds

06 Dec 2022

Financial bonds are usually seen as safe and dependable investments, but a recent crash in the value of “ultra-long” bonds was bigger than conventional mathematical models could have predicted. They should have used rollercoaster physics, as Jon Cartwright explains

illustration of financial rollercoaster
High-order impact Ultra-long bonds follow the physics of rollercoasters. (Courtesy: iStock/DNY59)
In the high-octane world of high finance, bonds are not usually the most exciting assets. Safe, slow

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Jon Cartwright is a freelance journalist based in Bristol, UK
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