It happens quite the opposite. Bounty hunter tokens have not yet been paid, and investors who bought the token with a big discount start selling and the price falls. But much depends on the state of the crypto market.
Sometimes price of tokens falls two of three times from a nominal price. But during IEO there is no so big discounts.
After placing a token on the exchange, its price will definitely increase, even with a bearish trend in the market. I predict 2020 to be successful and vibrant. Then the project will have even greater success.
We can only hope that this will be so. After all, sometimes the cost of the token grows and sometimes falls, a lot depends on the team