哪些期权相对自身历史显得昂贵，哪些显得便宜

关键论点

• IV排名高仅意味着期权相对该标的自身历史昂贵，并不代表股价波动剧烈。
• 当IV排名与百分位背离时，过去一年的形态至关重要：Deutz与Wienerberger的排名远高于百分位，表明平静的一年被一次剧烈事件打断。
• HYG与KLAC会被50以下的排名筛选排除，但两者全年多数时间更便宜，说明单看一列可能误导。
• 该筛选仅用于确定应检查哪些期权链，点差、未平仓量和催化剂才是真正的工作重点。

对应原文证据

1. A biotech at 60 percent may be cheap by its own standards while a utility at 18 percent sits near the top of its range.
2. Neither refiner reports inside the front expiry, Valero on 22 October 2026 and Marathon on 3 November 2026, which in our view may point to something priced in the energy complex rather than to company events. · October 2026
3. (Sources: company announcements, 8 September 2026; Danaher investor relations.) A long option bought at an elevated level can lose its whole premium even if the underlying moves as expected. · September 2026