Defend on the coin of ICO you want to invest, there many ICO's that the price is higher but not listed in market coz ico is sltill going on, good if you can buy their coin b4 Ico end especialy in the 1st round  the price is mostly cheaper than the nxt round, and if this coin is listed into the market when ico end you can sell coin, sometimes after 2 or 3 months if you hold your coin the price increase...