
The bid increase in an auction is the amount by which a bid is raised each time the current one is exceeded. It is predetermined based on the highest current bid. Below is a table with the increases based on the highest current bid:
| Last bid | Increase |
| < 300€ | 10€ |
| Between 300€ y 500€ | 25€ |
| Between 500€ y 1000€ | 50€ |
| Between 1000€ y 3000€ | 100€ |
| Between 3000€ y 5000€ | 200€ |
| Between 5000€ y 10000€ | 250€ |
| > 10000€ | 500€ |