I felt the same way. Keep giving it more time, ride out to fluctuations for now as best you can. I didn't start feeling any stability until I was over a year in. It could also be the frequency is changing and not the volume.
For a lot of people, it just gets worse over time. I know it has for me going back many years and even within the last 6 months. It's more common for older people to report tinnitus as it gets worse with age.