IMAB (I-MAB American Depositary Shares)
Historical IV Rank & Volatility Regime
IV Rank measures where IMAB's current 30-day implied volatility sits in its trailing 90-day distribution (0% = lowest in 90 days, 100% = highest). It's the most reliable signal for whether options on IMAB are priced rich or cheap relative to its own recent regime.
Market data may be delayed, incomplete, or inaccurate. Not a recommendation to buy, sell, or hold any security. Verify quotes with your broker before trading. See Terms §17.
IMAB IV Rank Summary
Current
0%
Compressed — premium buying regime
30-Day Avg
63%
60-Day Avg
39%
90-Day Avg
30%
90-Day Low
0%
90-Day High
100%
IV Rank is bounded 0%–100% by construction. Sustained levels above 75% historically
precede mean reversion in IMAB's implied vol; sustained sub-25% readings
often coincide with low-realized regimes ahead of catalyst events. See the
Vol Arb Screener for symbols where current IV
rank diverges most from realized volatility.
IMAB IV Rank — Last 90 Trading Days
| Date | IV Rank | Avg IV |
|---|---|---|
| 20260417 | 0% | 0.6% |
| 20260416 | 43% | 5.6% |
| 20260415 | 88% | 10.2% |
| 20260414 | 100% | 11.4% |
| 20260413 | 100% | 9.9% |
| 20260410 | 100% | 7.6% |
| 20260409 | 100% | 7.0% |
| 20260408 | 100% | 6.6% |
| 20260407 | 100% | 6.2% |
| 20260406 | 100% | 6.0% |
| 20260402 | 100% | 5.3% |
| 20260401 | 87% | 4.9% |
| 20260331 | 89% | 5.0% |
| 20260330 | 92% | 5.1% |
| 20260327 | 60% | 3.7% |
| 20260326 | 59% | 3.7% |
| 20260325 | 70% | 4.2% |
| 20260324 | 65% | 4.0% |
| 20260323 | 58% | 3.7% |
| 20260320 | 64% | 3.9% |
| 20260319 | 45% | 3.1% |
| 20260318 | 47% | 3.2% |
| 20260317 | 40% | 2.9% |
| 20260316 | 44% | 3.1% |
| 20260313 | 43% | 3.1% |
| 20260312 | 26% | 3.2% |
| 20260311 | 16% | 2.5% |
| 20260310 | 20% | 2.7% |
| 20260309 | 19% | 2.6% |
| 20260308 | 25% | 3.0% |
| 20260306 | 24% | 3.0% |
| 20260305 | 25% | 3.1% |
| 20260304 | 22% | 2.8% |
| 20260303 | 22% | 2.9% |
| 20251030 | 6% | 1.7% |
| 20251029 | 13% | 2.2% |
| 20251028 | 13% | 2.2% |
| 20251027 | 13% | 2.2% |
| 20251024 | 15% | 2.3% |
| 20251023 | 15% | 2.4% |
| 20251022 | 13% | 2.2% |
| 20251021 | 9% | 1.9% |
| 20251020 | 10% | 2.0% |
| 20251017 | 9% | 1.9% |
| 20251016 | 6% | 1.7% |
| 20251015 | 6% | 1.7% |
| 20251014 | 7% | 1.8% |
| 20251013 | 7% | 1.8% |
| 20251010 | 7% | 1.8% |
| 20251009 | 18% | 2.5% |
| 20251008 | 9% | 1.9% |
| 20251007 | 11% | 2.1% |
| 20251006 | 12% | 2.1% |
| 20251003 | 15% | 2.3% |
| 20251002 | 15% | 2.4% |
| 20251001 | 15% | 2.3% |
| 20250930 | 24% | 3.0% |
| 20250929 | 28% | 3.3% |
| 20250926 | 29% | 3.3% |
| 20250925 | 31% | 3.5% |
| 20250924 | 26% | 3.1% |
| 20250923 | 14% | 2.3% |
| 20250922 | 18% | 2.6% |
| 20250919 | 8% | 1.9% |
| 20250918 | 9% | 1.9% |
| 20250917 | 12% | 2.1% |
| 20250916 | 8% | 1.8% |
| 20250915 | 8% | 1.8% |
| 20250912 | 7% | 1.8% |
| 20250911 | 8% | 1.9% |
| 20250910 | 8% | 1.9% |
| 20250909 | 6% | 1.8% |
| 20250908 | 2% | 1.6% |
| 20250905 | 2% | 1.5% |
| 20250904 | 10% | 1.6% |
| 20250903 | 13% | 2.2% |
| 20250902 | 13% | 2.1% |
| 20250829 | 9% | 1.5% |
| 20250828 | 9% | 1.5% |
| 20250827 | 11% | 1.9% |
| 20250826 | 9% | 1.5% |
| 20250825 | 12% | 1.9% |
| 20250822 | 11% | 1.9% |
| 20250821 | 10% | 1.7% |
| 20250820 | 9% | 1.5% |
| 20250819 | 9% | 1.6% |
| 20250818 | 8% | 1.3% |
| 20250815 | 11% | 1.8% |
| 20250814 | 14% | 2.4% |
| 20250813 | 13% | 2.2% |