Number of days that investment-buying transactions remain in the system.
You can call up information on investment-buying transactions in the system at any time.
Investment-buying transactions older than the specificed number of days are automatically deleted by the system. Choose a big enough time period so that you can monitor investment-buying transactions during this period. For example, 90 days = 3 months.
This parameter is also indirectly connected to the maximum range of coverage. This should be larger, but not considerably larger.