T 波动率 AT&T Inc.
IV30Implied volatility interpolated to a constant 30-day horizon from the expirations around it, so different stocks and dates can be compared fairly.30.0%
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.44.6%
HV6032.2%
IV − HV20价差
-14.6pt
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).
28
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.
29/60 已记录天数
Cboe delayed options data · 截至 21:43 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 |
|---|---|---|---|---|
| Oct 23, 2026 | 3 | 60.4% | +4.8pt | ±4.4% |
| Oct 30, 2026 | 10 | 40.8% | +3.4pt | ±5.1% |
| Nov 06, 2026 | 17 | 33.0% | +3.5pt | ±5.7% |
| Nov 13, 2026 | 24 | 34.1% | +5.5pt | ±7.0% |
| Nov 20, 2026 | 31 | 29.4% | +4.0pt | ±6.9% |
| Nov 27, 2026 | 38 | 26.3% | +3.7pt | ±6.8% |
| Dec 18, 2026 | 59 | 28.1% | +4.7pt | ±9.1% |
| Jan 15, 2027 | 87 | 26.1% | +4.3pt | ±10.6% |
| Mar 19, 2027 | 150 | 28.3% | +4.8pt | ±14.4% |
| Apr 16, 2027 | 178 | 26.8% | +6.3pt | ±14.9% |
| Jun 17, 2027 | 240 | 28.4% | +3.9pt | ±18.0% |
| Sep 17, 2027 | 332 | 28.7% | +3.2pt | ±21.1% |
| Oct 15, 2027 | 360 | 30.3% | +2.3pt | ±23.1% |
| Jan 21, 2028 | 458 | 29.5% | +3.0pt | ±24.9% |
| Apr 21, 2028 | 549 | 29.8% | -0.4pt | ±27.0% |
波动率微笑 — Nov 20, 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