Most people copy the wallet with the biggest week and then size it like it's their own conviction. That's how you turn someone else's 12% edge into your 40% drawdown.

Three rules I actually run:

1. Rank by PnL, not volume. A wallet that turned over $1M to make $8k is not a leader. It is a market maker with a hobby.

1. Your size is not their size. If they buy $80k of "Over 8.5" at 48¢, you buy 1–2% of your bankroll at that same price. The fill is the signal. The notional is yours.

1. Pre-commit the stop. 8–12% off entry is enough to be wrong without being ruined. If the copy is down that much, you are out — even if the wallet is still holding. Their bankroll is not your bankroll.

Do that for a month before you touch a third wallet. One clean book beats five half-watched ones.