I’m pretty sure an MM contract has to come from an MLP. They want to be able to verify your orders on your account are within a certain spread 90% of the time.
This wouldn’t need to be NuLagoon, anyone willing to run nubot could use this. Nu doesn’t like to grant single person pools, but if you’re getting an MM deal and can therefore give a huge discount to Nu (like 0.1%/day?) then I don’t think shareholders will turn it down, especially if it means being listed on a new exchange.