We take execution of orders very seriously. Stake was built by traders and engineers - this is our DNA.
On top of that, Stake and its partners are registered brokers, so each order is subject to the best execution rules of the US market. This means that orders are executed within the best bid and best offer across all the various US stock exchanges. This is known as the NBBO (National Best Bid Offer). Fractional orders are also subject to NBBO.
So regardless of the size you trade, you'll be getting the best price in the market at the time.