1. Paul Tudor Jones 曾經在 市場怪傑(攻擊性操作) 一書中提到: When you get a range expansion, the market is sending you a very loud, clear signal that the market is getting ready to move in the direction of that expansion.
2. Larry Williams 在 短線交易秘訣 裡面說過: 價差區間變化會從一系列的小價差區間走向一串密集的大價差區間, 這樣的循環會終年不斷地重複出現