| Date | KRW/JPY | JPY/KRW | Change |
|---|
| Tuesday, December 09, 2008 | 15.5669 | 0.0642 | |
| Wednesday, December 10, 2008 | 14.9882 | 0.0667 | -3.8610% |
| Thursday, December 11, 2008 | 14.7292 | 0.0679 | -1.7580% |
| Friday, December 12, 2008 | 15.0011 | 0.0667 | +1.8123% |
| Monday, December 15, 2008 | 15.0077 | 0.0666 | +0.0441% |
| Tuesday, December 16, 2008 | 14.9744 | 0.0668 | -0.2222% |
| Wednesday, December 17, 2008 | 15.0729 | 0.0663 | +0.6530% |
| Thursday, December 18, 2008 | 14.3080 | 0.0699 | -5.3458% |
| Friday, December 19, 2008 | 14.3932 | 0.0695 | +0.5918% |
| Monday, December 22, 2008 | 14.5220 | 0.0689 | +0.8875% |
| Tuesday, December 23, 2008 | 14.6958 | 0.0680 | +1.1825% |
| Wednesday, December 24, 2008 | 14.3835 | 0.0695 | -2.1710% |
| Friday, December 26, 2008 | 14.3287 | 0.0698 | -0.3825% |
| Monday, December 29, 2008 | 13.9911 | 0.0715 | -2.4130% |
| Tuesday, December 30, 2008 | 13.9139 | 0.0719 | -0.5550% |
| Wednesday, December 31, 2008 | 13.9002 | 0.0719 | -0.0986% |