After receiving the Token from the ICO distribution bounty and when Token was indexed by exchange floors. I usually hold the Token for about 2 weeks to see the exchange rate fluctuations, if the exchange rate drops I will sell and if the trend is up, I will hold at least 6 months to exchange rate x5 or x10 not market right at the time there. Because if the potential ICO project then the exchange rate will always increase due to the support from the project owner to push the exchange rate.