Occupy and Tea are completely different movements, one is right wing and the other is left-wing.
Actually they are pretty similar in many ways.
In the same way that the NSDAP and the KPD were similar. In other words, they were organizationally and tactically similar, but their ideologies had nothing in common. Occupiers would be KPD voters (with some of the more moderate ones voting SPD), and the majority of Tea Partiers would have supported the NSDAP by 1932-33, but many would have supported the DNVP and smaller parties.
Actually, I was thinking more along the lines of the fact that the Tea-party and Occupy were originally grassroots populist revolts against the establishment that were co-opted by Wall Street and the Democratic establishment, respectively.