I do wonder about the shadow rate. My unemployment just ended by running out. Does that mean I'm now counted in that rate? If I had found work, I basically stop

I do wonder about the shadow rate. My unemployment just ended by running out. Does that mean I'm now counted in that rate? If I had found work, I basically stop certifying for benefits to let them know I'm employed. No one has sent me a letter asking if I'm working or not. I have to assume there are a lot of folks out there in a similar situation.