| Most improved by region | ||
| Western Europe | ||
| 2017 | Bank | Change |
| 1 | Citadel Securities | 105.76% |
| North America | ||
| 2017 | Bank | Change |
| 1 | Nomura | 185.13% |
| Asia | ||
| 2017 | Bank | Change |
| 1 | Standard Chartered | 338.87% |
| Middle East | ||
| 2017 | Bank | Change |
| 1 | Standard Chartered | 359.42% |
| Central and Eastern Europe | ||
| 2017 | Bank | Change |
| 1 | Bank of America Merrill Lynch | 103.66% |
| Latin America | ||
| 2017 | Bank | Change |
| 1 | BNP Paribas | 33.04% |
| Caribbean | ||
| 2017 | Bank | Change |
| 1 | ||