My level 2 showed 4 MM's on Ameritrade for the last 2-3 days. Normally they show 5000 shares on the Bid or Ask on all my level 2's.
Ramo has shown 1 or 100 for the last 6 weeks.(there also have only been 2 MM's for the last 6 weeks until Thursday) Every once in a while 5000 shares show up. It's very strange. I've never seeen that