XBI volatilitas State Street SPDR S&P Biotech ETF
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.32.5%
HV6030.0%
Selisih IV − HV20
-2.4pt
Persentil semestaWhere this IV30 ranks across all securities we cover today (a cross-sectional comparison, not the stock's own history).
42
Persentil riwayat sendiriWhere today's IV30 sits versus its own daily history — 80 means higher than roughly 80% of recorded observations for that period.
3/60 hari yang direkam
Cboe delayed options data · per 15:39 UTC · Cara penghitungan ini dilakukan
Struktur tenor IV
Implied volatility at-the-money untuk setiap tanggal kedaluwarsa yang terdaftar, diplot berdasarkan hari yang tersisa.
| Kedaluwarsa | DTE | ATM IV | 25Δ skewThe IV gap between 25-delta puts and 25-delta calls for one expiration. Positive skew means downside protection is priced richer than upside exposure. | Implied move |
|---|---|---|---|---|
| Sep 04, 2026 | 1 | 39.0% | +5.9pt | ±1.8% |
| Sep 11, 2026 | 8 | 27.3% | +1.6pt | ±3.3% |
| Sep 18, 2026 | 15 | 29.1% | +2.0pt | ±4.7% |
| Sep 25, 2026 | 22 | 29.0% | +2.0pt | ±5.7% |
| Oct 02, 2026 | 29 | 30.1% | +1.7pt | ±6.8% |
| Oct 09, 2026 | 36 | 29.7% | +2.6pt | ±7.5% |
| Oct 16, 2026 | 43 | 30.3% | +2.2pt | ±8.3% |
| Oct 23, 2026 | 50 | 31.0% | — | ±9.2% |
| Dec 18, 2026 | 106 | 31.2% | +1.7pt | ±13.4% |
| Jan 15, 2027 | 134 | 31.9% | +1.7pt | ±15.4% |
| Mar 19, 2027 | 197 | 31.9% | +2.6pt | ±18.6% |
| Jun 17, 2027 | 287 | 30.9% | +0.5pt | ±21.7% |
| Dec 17, 2027 | 470 | 32.2% | +3.3pt | ±28.9% |
| Jan 21, 2028 | 505 | 32.3% | +2.1pt | ±29.9% |
Volatility smile — Sep 18, 2026
Implied volatility per strike. Kemiringan ke arah put (sisi kiri lebih tinggi) adalah skew: perlindungan sisi bawah dihargai lebih mahal daripada sisi atas.
callput
Implied vs realized, catatan harian
IV30HV20