Hey Paul, welcome to the community! There’s been some talk about this feature before, here’s why it’s not available right now -
https://community.monzo.com/t/total-spent-per-day-1/2643/6?u=alexs
I’m guessing that you’re used to seeing your running balance in your banking app & that’s the gap you’re seeing here? Monzo does want to address this…
https://community.monzo.com/t/display-running-balance-with-each-entry/6832/22?u=alexs