MIT invites about 18% of applicants to interview (according to Rod Garcia).
Out of our 200 or so applicants listed here, that would be 36 interviews (assuming a roughly average distribution of gmatclubbers relative to the total applicant pool)
So far we've got what, 4? Plenty of interview invitations left. MIT explicitly said they would send out invitations on a rolling basis starting in December, so don't expect all the invitations to come in the first several days.
Reference for the 18% figure -
https://blog.clearadmit.com/2009/06/admi ... od-garcia/