VXX 波动率 iPath Series B S&P 500 VIX Short-Term Futures ETN
IV30Implied volatility interpolated to a constant 30-day horizon from the expirations around it, so different stocks and dates can be compared fairly.53.5%
HV20How much the stock actually moved, measured from daily closing prices over a past window (annualized). Compare with implied volatility to see what the options market priced versus what happened.26.1%
HV6045.2%
IV − HV20价差
+27.4pt
全市场百分位Where this IV30 ranks across all securities we cover today (a cross-sectional comparison, not the stock's own history).
84
自身历史百分位Where today's IV30 sits versus its own daily history — 80 means higher than roughly 80% of recorded observations for that period.
3/60 已记录天数
Cboe delayed options data · 截至 20:03 UTC · 计算方法说明
IV期限结构
各上市到期日的平值隐含波动率，以剩余天数为横轴绘制。
| 到期时间 | DTE | ATM IV | 25Δ 偏斜The IV gap between 25-delta puts and 25-delta calls for one expiration. Positive skew means downside protection is priced richer than upside exposure. | 隐含涨跌幅 |
|---|---|---|---|---|
| Sep 04, 2026 | 1 | 33.7% | -22.5pt | ±1.9% |
| Sep 11, 2026 | 8 | 36.2% | -13.0pt | ±4.4% |
| Sep 18, 2026 | 15 | 44.0% | -17.8pt | ±7.2% |
| Sep 25, 2026 | 22 | 48.4% | -22.5pt | ±9.5% |
| Oct 02, 2026 | 29 | 53.3% | -23.4pt | ±12.0% |
| Oct 09, 2026 | 36 | 54.4% | -28.0pt | ±13.6% |
| Oct 16, 2026 | 43 | 58.6% | -23.2pt | ±16.1% |
| Oct 23, 2026 | 50 | 95.9% | -25.1pt | ±28.0% |
| Nov 20, 2026 | 78 | 65.8% | -33.8pt | ±24.3% |
| Dec 18, 2026 | 106 | 71.2% | -29.6pt | ±30.5% |
| Jan 15, 2027 | 134 | 71.0% | -34.4pt | ±34.1% |
| Mar 19, 2027 | 197 | 79.8% | — | ±45.9% |
| Jan 21, 2028 | 505 | 84.3% | — | ±73.8% |
波动率微笑 — Sep 18, 2026
各行权价的隐含波动率。向put倾斜（左侧更高）即为偏斜：下行保护的定价高于上行。
看涨期权看跌期权
隐含与已实现波动率，每日记录
IV30HV20