[Anna-Maria]

If you’re referring to the majority of in-house shops trunking feeds thru a manned operation, then you have a point.

Someone striking out with an adequately capitalized funding base (if trading is their main income earner), won’t have too much trouble locating (& negotiating with) a spot facilitator.

I guess it boils down to your style & objectives. Most serious contenders play, or at least have access to, both options.