Everything in the Risk track applies across rounds: your Sim balance is a bankroll, each round is a position, and streaks are guaranteed. The traders on the leaderboard week after week aren't the ones hitting longshots — they're the ones whose worst night was survivable.
The bankroll rules
- Flat sizing: 1–5% of balance per round. After wins AND after losses. The moment size follows emotion, the math stops protecting you.
- Streak plan written in advance: three losses = half size; five = done for the session (see Tilt).
- Longshot budget: comeback entries at 5×+ are lottery-shaped — cap them at a small fixed slice of the session's risk.
- Never chase a both-stopped loss with doubled size — that outcome is house edge working as designed, not injustice needing revenge.
The bankroll IS the score. A trader with 40% good decisions and intact bankroll can improve; a trader with 60% good decisions who bet it all once is gone.