Has been picking up all sorts of things today, but since it's a Monday after expiration, I'm going to hold off on publishing some especially noteworthy activity until I can see whether it's not all just new contract rollouts.
Altera (ALTR) posts earnings tonight - interesting, earlier, that put volume on the May20s exceeded open interest. Call volume has finally exceeded open interest on the May 22.5 calls, but its the put side that has my attention. Will it be Altera, or Alterror?
Millicom (MICC) nice rise ahead of earnings tomorrow morning.