Is alpha a one-time purchase? Or is it an accumulated purchase??

Now let's explain using yesterday's image!

First, note that the statistical time is UTC, which is 8 hours behind us, so one day starts counting from 8 AM on the 24th,

As shown, consumption at 0:00 does not count for the 24th.

Purchased in two transactions of 30+50=80u

Corresponding to 64, the transaction volume points are 6!