Misdiagnosed?

So I’ve been diagnosed multiple times since my young teen years as bipolar due to my grandma also having bipolar 2 and me showing severe mood swings. Since getting older and being off medications my main issue has been depressive “episodes”. When I snapped out of the depression it doesn’t necessarily feel like hypomania. I’m just happy, more productive, a lot irritable, get way into or obsessive into certain hobbies or quirks for months and months at a time. I doubted my diagnoses for the past few months.. and even more now so. I’ve been having the energy lately to do things.. and the desire but a super sad mood. Or some days I’ll wake up and do everything I need to and be snappy but then the next day I’ll be very depressed. Does this sound still like bipolar 2 or BPD? I’m just so confused. Especially since my mood seems to change for hours at a time, with the baseline being depression. Any insight would be super helpful..