Ovulation test- peak

Hi

Using the Clearblue ovulation tests.

Had a high result yesterday and a peak result today so we have tried on both days. I read online that it’s not advised to try everyday.

Just wondering how long my peak result will last for? The test says it identifies 4 fertile days- so would you expect the next 2 days to be fertile as well? Or could today be it?

New to all this and it’s abit confusing!