The Pro level (or P Level) you are in shows what percentage of in-level profits you keep when you pass that level. All prizes are automatically transferred to your prize wallet as soon as they are earned.
P10: You keep 10% of your in-level profits.
P20: You keep 20% of your in-level profits.
P40: You keep 40% of your in-level profits.
P80: You keep 80% of your in-level profits.