Market capitalization of AGO decreased by 1.38% over the past 1 year. The primary factor behind the change was an increase in P/E Change from 8.11 to 11.10.
The secondary factor is the Margin Expansion, contributed -11.62%to the performance.
Overall, the performance of AGO in the past 1 year is driven by P/E Change. Which is more unsustainable.