Currently the creation of markets is not incentivized. The only motivations at this point are enthusiasm and curiosity about the approximate likelihood of future outcomes.
The document at https://hackmd.io/@lZVVinJVS6WI4IpRgmbsLA/H17iRm6Kn proposes the necessary steps that have to be taken to make market creation more attractive and provide a reason for market creators to attract traders and liquidity providers.
What would be the approximate incentive in USD for opening a market? Would this be variable? Would the funds be created as inflation or from a treasury?