I personally don't believe Steem will rise to 15 dollars by november. Currently there are 235,249,987 Steem's circulating, and the market cap right now (27/6-17) is $383,116,366. If Steem rises to 15 dollars the market cap would be 3,528,759,805$. I believe this rise will happen eventually but not until November because Steem hasn't yet been discovered by normal people.