A gauge of how much movement investors expect in the next month, priced from options. The main one is the VIX, nicknamed the fear index.
波动率指数
| Move变动 | Where it appeared出现位置 | What it means这句话在说什么 |
|---|---|---|
| — | The AI trade splits in two 波动率指数 · 第 8 张术语卡 | It jumped 70 per cent to 28 in one session — above 30 is usually read as a genuinely nervous market. VIX 有自我强化的机制：它上升 → 按波动率定仓位的基金被迫减仓 → 市场更波动 → VIX 更高。所以它常在几天内翻倍，也常在两周内跌回原处。20 以下算平静，30 以上算紧张，40 以上通常是危机。 |