What this means is if you buy Willis stock and short Aon at these prices, should the deal close you will make 10.3%
Aon-Willis merger arb spread in focus as it breaches 10%
![Merger arb spread.jpg](https://assets.euromoneydigital.com/dims4/default/a6f8832/2147483647/strip/true/crop/1302x544+0+0/resize/840x351!/quality/90/?url=http%3A%2F%2Feuromoney-brightspot.s3.amazonaws.com%2F22%2F2b%2F6f19763f467297f75416f0866120%2Fmerger-arb-spread.jpg)
What this means is if you buy Willis stock and short Aon at these prices, should the deal close you will make 10.3%