Portfolio optimisers often give results that are extreme and unstable. With so many variables involved, it can be hard to decipher why. This article presents a simplified formula for a two-asset optimisation which will bolster your intuitive understanding of how a portfolio optimiser behaves and why it may behave badly. Download the paper here About… Continue reading..
Trading volume is much higher than economists predict. Quant Tom Hyer addresses the paradox from the perspective of relative value.
Presentation to council borrowing event, London 18th July 2017 Continue reading..
The banking industry has long argued that close-out netting provisions in derivative contracts reduce systemic risk, and successfully lobbied to have 'safe harbour' provisions to protect counterparties from bankruptcy claims. This is embedded in US Generally Accepted Accounting Principles, resulting in trillions of derivatives exposures not being counted on bank balance sheets. However the Lehman… Continue reading..