Market capitalization of SDRL decreased by 18.42% over the past 1 year. The primary factor behind the change was an increase in P/E Change from 27.73 to 57.92.
The secondary factor is the Revenue Growth, contributed 5.39%to the performance.
Overall, the performance of SDRL in the past 1 year is driven by P/E Change. Which is more unsustainable.