On4 Communications Inc (ONCI)

[ApollyonZ]

Not entirely automated and they most certainly hide their hand.

Your Broker Has Options for Executing Your Trade

Just as you have a choice of brokers, your broker generally has a choice of markets to execute your trade:

You Have Options for Directing Trades

If for any reason you want to direct your trade to a particular exchange, market maker, or ECN, you may be able to call your broker and ask him or her to do this. But some brokers may charge for that service. Some brokers offer active traders the ability to direct orders in Nasdaq stocks to the market maker or ECN of their choice.

https://www.sec.gov/reportspubs/investor-publications/investorpubstradexechtm.html

https://www.sec.gov/divisions/marketreg/mrfaqregsho1204.htm