Venues
Venues
Two rosters. An execution grant places orders. A read-only book link does not. They are never the same control.
Execution
Robinhood
Agentic trading account. One account, one agent. Grant issued on Robinhood's site.
Read-only aggregation
A linked book may later feed desk overlap under a freshness contract. It cannot place an order. That product waits on later phases and a vendor quote — see the vendor table in the repo, not a live dollar here.