Real trades have transaction fees, latency, slippage, etc. - you can simulate all this, but it's hard to know if it's being simulated correctly or not.
> their interpretation cannot be influenced by the fact that the trading orders are passed for real
It's not going to make much difference with $5 trades, but the impact on the market is non-zero.
> their interpretation cannot be influenced by the fact that the trading orders are passed for real
It's not going to make much difference with $5 trades, but the impact on the market is non-zero.