Regulatory Measures, etc., Concerning Margin Trading
（Unit ： ％）
| Implementation Date |
Customer margin ratio (Cash collateral ratio) |
Ratio multiplied by Securities in lieu of Money (In case of listed issues) |
| Jan. 01, 1987 |
60 |
60 |
| Feb. 20, 1987 |
|
50 |
| Feb. 27, 1987 |
70 |
|
| Apr. 15, 1987 |
70(20) |
|
| Jul. 09, 1987 |
70 |
|
| Jul. 22, 1987 |
|
70 |
| Oct. 15, 1987 |
|
60 |
| Oct. 21, 1987 |
50 |
70 |
| Mar. 17, 1988 |
60 |
|
| Jun. 03, 1988 |
70 |
|
| Feb. 23, 1989 |
|
60 |
| Jun. 30, 1989 |
60 |
|
| Dec. 06, 1989 |
|
50 |
| Jan. 11, 1990 |
|
60 |
| Feb. 21, 1990 |
50 |
|
| Feb. 27, 1990 |
40 |
70 |
| Sep. 06, 1990 |
30 |
|
| Oct. 05, 1990 |
|
80(Special case) |
| Sep. 30, 2007 |
|
80 |
