Profitable trading is a process that stays ahead of costs over many trades, not a hot week. Write the rules, size so one loss cannot end you, and practice at real prices before you fund an account.
The best stock market game is the one your group will still open next month. Match the format to the goal: solo practice, a classroom contest, or a league with a lock, a leaderboard, and rules everyone saw first.
Paper trading is practice: simulated money, real tickers, real prices. Start with a written setup and a fixed size, keep a journal, and remember that demo fills are kinder than live ones.
An AI trading agent is a program that turns market data into orders under rules you set. Build the constraints first, test in simulation, and treat a live account as a later, smaller step.
A stock trading tournament gives everyone the same market, the same clock, and a rank on return. Read the rules before you join, size like you can finish last, and treat the prize as optional.