Fans wear NFL jerseys to the stadium, to their favorite sports bar or they just make it a game day ritual while watching the game from the comfort of home.

• 第二，投资者的申购、赎回行为使得基金“仓位”自然发生变化。而即使你明知道上述两种情况，想做出精确的“修正”也几乎是不可能完成的任务。