I think it will be more based on percent moves rather than $ moves.
We are already seeing an issue with people not wanting to invest at $200. I think the psychological challenges of the cost of a single bitcoin for a potential new investor will dampen the market to a degree. Unless we see the exchanges moving to a lower denomination than BTC, I think our growth from here on out will not be exponential. I could see us at $500-$1000 next year best case scenario. However, as the price rises, the growth curve will be dampened, no doubt.
$200 to $500 isnt exponential.
$15 to $266 is exponential. Let's get that straight.