Lower minimum swap amount in case of rolling DCA

Currently we use minimum budget as minimum single swap amount for rolling DCA we could make it a little lower as it could be quite high if HDX pumps

Locate the rolling DCA logic and the calculation that uses the minimum budget as the minimum single swap amount. Read the surrounding code to determine a lower bound that remains valid when HDX rises, then check the existing tests for rolling DCA behavior. Done means the minimum swap amount is lower than the minimum budget while the relevant tests still pass.

Written by the indexing model from the issue text.