In looking at your posts, you had absolutely zero posts before January 23, 2018 - therefore you earn no activity points for those several earlier activity periods in which you had zero posts.
You have to have at least 1 post in a two week activity period in order to earn activity points for that period.
Your activity level is currently maxed out at 28 because you have only posted in the two activity periods proceeding our current activity period, and in those two activity periods you posted 70 posts, which earned you the maximum of 14 for each of those two activity periods.
As long as you post at least 1 post in our current activity period, which you already have, you will receive another 14 activity points in 2 weeks because you have more than 14 additional posts that you have already made so currently, you do not have to post any more in order to receive 14 activity points for this current activity period.
Therefore, in two weeks, your activity will go from 28 to 42, and at that point, you will become Jr Member (because your activity will then equal or exceeded 30)
Edit: You received another 14 activity points within a short period after my initial response post - going from 28 to 42. Therefore, it seems that I miscounted your active activity periods as being 2, when you had 3 activity periods.
Anyhow, problem seems to be solved, even though I remain a little confused about when activity points show up on the account.
Part of the reason for my previous post was that I assumed that activity points were largely awarded by the system to all members at the same time, which I thought had already taken place, yesterday. Accordingly, my 14 activity points had been added to my account yesterday, about 24 hours before your 14 activity points were added to your account.
