What Elizabeth said about the +2 and at least 1 mid-cycle test is spot on. Testing isn't just for pre-shots or curves. Right now, you have data at the beginning of the cycle, but not much in between. We need to have you fill in the SS in between those "bookends" in order to see what is going on.
You want to find a dose that you can give to Thor each cycle, without his BG numbers being too low at pre-shot, so that you need to skip.
That frequent skipping of the dose, tells us the 2U is too high.
The BG level of 56 at +8 on 6/13/20 also tells us the dose is too high.
With an Alphatrak, you don't want the nadirs falling much below 90-100 when using the SLGS (Start Low, Go Slow) dosing method.
With an Alphatrak, a BG level < 68 mg/dL means take action, and bring up those BG levels with some food. That is headed towards hypo territory, and you don't want to go there.
ANYTIME that Thor drops into those neon green BG levels, that is way too low, and a dose reduction is in order. And you hold the dose reduction, until the bounce has cleared and the BG levels tell you the reduced dose isn't working.
When Thor has been in the yellows or blue BG ranges at pre-shot, he bounces up to the black or red BG ranges for the next cycle. He probably dropped too low later in the cycle, and you aren't catching it.
Let's go with the 1U for now. And hold it steady for at LEAST 3-6 cycles and maybe a bit longer, to make sure that Thor clears the bounce before you decide to increase the dose again. Please, ask here first, before you decide to increase the dose. If Thor drops into those neon green BG ranges during any point in time, that is an automatic dose reduction of 0.25U.
Are the Alphatrak test strips too expensive for you to test more often? Is that the reason there are not many mid-cycle tests?