Not really… just need 2 systems on either side that understand the signal. Could be as simple as 8bit ascii encoding… 1 byte to represent the account, 3 bytes for the trade, and a few bytes for the trade amount.
Could easily be less than 10 bytes for the whole packet. The actual trade would be created by the computer at the end to interact with whatever api the actual stock brokers use.
Not really… just need 2 systems on either side that understand the signal. Could be as simple as 8bit ascii encoding… 1 byte to represent the account, 3 bytes for the trade, and a few bytes for the trade amount.
Could easily be less than 10 bytes for the whole packet. The actual trade would be created by the computer at the end to interact with whatever api the actual stock brokers use.