But you must have proof.
Because America is a country ruled by law.
Law is related to evidence.
Of course, if it's just the time difference you mentioned, it shouldn't be illegal.
Because the quotation of each platform is self-reported.
Of course, there is no time difference.
Even if someone else controls the platform, let you delay trading for three minutes.
If you explode like this,
It is suggested to focus on fund management and how to deal with emergencies.