 
    
    
Arch Q3 CoR climbs 8.7 points to 86.6% on higher cat losses
- The Bermudian reported $450mn of cat losses in Q3, up from $180mn a year ago. 
 
    
    
Arch Q3 CoR climbs 8.7 points to 86.6% on higher cat losses
The Bermudian reported $450mn of cat losses in Q3, up from $180mn a year ago.