Your theoretical loss to the casino (your casino theo or average daily theoretical – ADT) is the way the casino calculates what you are worth to them. It’s not a theoretical win because every game that the casino offers has a house advantage and the payoff for a bet is always less than the odds of winning that bet.
Your favorite casino is more than a place for entertainment. It is regarded by the US government as a “financial institution,” and therefore it is required, under the “Bank Secrecy Act,” to report certain transactions to the US Department of the Treasury through Financial Crimes Enforcement Network (FinCEN). So, what is the casino telling the government?