 |
| |||
| backspread m; ratio back spread; écart inverse sur ratio d'options | |||
|
reverse ratio spread : 9 do fraz, 1 tematyki |
| Finanse | 9 |
|
| |||
| backspread m; ratio back spread; écart inverse sur ratio d'options | |||
|
reverse ratio spread : 9 do fraz, 1 tematyki |
| Finanse | 9 |