Hi! This is very interesting - I had a question but more so on the business side. I don't know much about finance, but what made you decide on a fixed fee pricing model than a take rate model like a hedge fund.
Good question - I'll jump in for Gab as its his mum's birthday today :)
With fixed fee pricing we are seen by regulators as a Software provider rather than a trading platform. The other point is that user funds sit on the exchanges and we have no withdrawal rights for greater account safety, so it's easier for us to just charge a fixed fee.