The New Irish House Price Index

May 14, 2011 | timeseriesireland

On Friday, the CSO released a new house (and apartment) price index, for the national, Dublin, and national excluding Dublin regions. The release has been noted and covered by the great Irish Economy and Namawinelake blogs. I want to briefly look at some of the statistical properties of this series ... [Read more...]

Introduction to Cointegration and Pairs Trading

April 15, 2011 | Edwin Chen

Introduction Suppose you see two drunks (i.e., two random walks) wandering around. The drunks don’t know each other (they’re independent), so there’s no meaningful relationship between their paths. But suppose instead you have a drunk walking with her dog. This … Continue reading → [Read more...]

Poor man’s pairs trading…

April 11, 2010 | M. Parzakonis

There is a central notion in Time Series Econometrics, cointegration. Loosely it refers to finding the long run equilibrium of two non-stationary series. As the most know non-stationary series examples comes from finance, cointegration is nowadays a tool for traders (not a common one though!). They use it as the ... [Read more...]

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