CBIO (Crescent Biopharma, Inc. Common Stock)
Historical IV Rank & Volatility Regime
IV Rank measures where CBIO'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 CBIO 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.
CBIO IV Rank Summary
Current
0%
Compressed — premium buying regime
30-Day Avg
45%
60-Day Avg
48%
90-Day Avg
55%
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 CBIO'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.
CBIO IV Rank — Last 90 Trading Days
| Date | IV Rank | Avg IV |
|---|---|---|
| 20251219 | 0% | 0.0% |
| 20251218 | 0% | 0.0% |
| 20251217 | 0% | 0.0% |
| 20251216 | 0% | 0.0% |
| 20251215 | 0% | 0.0% |
| 20251212 | 0% | 0.0% |
| 20251211 | 0% | 0.0% |
| 20251210 | 0% | 0.0% |
| 20251209 | 24% | 4.9% |
| 20251208 | 23% | 4.6% |
| 20251205 | 20% | 4.1% |
| 20251204 | 49% | 9.7% |
| 20251203 | 68% | 13.6% |
| 20251202 | 66% | 13.1% |
| 20251201 | 64% | 12.9% |
| 20251128 | 83% | 16.6% |
| 20251126 | 79% | 15.9% |
| 20251125 | 77% | 15.4% |
| 20251124 | 76% | 15.1% |
| 20251121 | 71% | 14.2% |
| 20251120 | 70% | 14.0% |
| 20251119 | 69% | 13.8% |
| 20251118 | 68% | 13.5% |
| 20251117 | 66% | 13.3% |
| 20251114 | 64% | 12.7% |
| 20251113 | 68% | 13.6% |
| 20251112 | 62% | 12.4% |
| 20251111 | 61% | 12.2% |
| 20251110 | 60% | 12.1% |
| 20251107 | 60% | 11.9% |
| 20251106 | 58% | 11.5% |
| 20251105 | 61% | 12.2% |
| 20251104 | 60% | 12.1% |
| 20251103 | 55% | 11.1% |
| 20251031 | 54% | 10.8% |
| 20251030 | 57% | 11.5% |
| 20251029 | 53% | 10.5% |
| 20251028 | 52% | 10.4% |
| 20251027 | 52% | 10.4% |
| 20251024 | 50% | 10.1% |
| 20251023 | 50% | 10.0% |
| 20251022 | 50% | 10.0% |
| 20251021 | 51% | 10.2% |
| 20251020 | 51% | 10.1% |
| 20251017 | 49% | 9.9% |
| 20251016 | 51% | 10.2% |
| 20251015 | 50% | 10.0% |
| 20251014 | 49% | 9.9% |
| 20251013 | 49% | 9.8% |
| 20251010 | 51% | 10.3% |
| 20251009 | 48% | 9.7% |
| 20251008 | 48% | 9.6% |
| 20251007 | 46% | 9.2% |
| 20251006 | 47% | 9.4% |
| 20251003 | 46% | 9.3% |
| 20251002 | 46% | 9.2% |
| 20251001 | 46% | 9.2% |
| 20250930 | 46% | 9.1% |
| 20250929 | 42% | 8.5% |
| 20250926 | 42% | 8.3% |
| 20250925 | 41% | 8.2% |
| 20250924 | 41% | 8.2% |
| 20250923 | 41% | 8.2% |
| 20250922 | 41% | 8.2% |
| 20250919 | 0% | 0.0% |
| 20250918 | 0% | 0.0% |
| 20250917 | 0% | 0.0% |
| 20250916 | 0% | 0.0% |
| 20250915 | 100% | 20.0% |
| 20250912 | 100% | 20.0% |
| 20250911 | 100% | 20.0% |
| 20250910 | 100% | 20.0% |
| 20250909 | 100% | 20.0% |
| 20250908 | 100% | 20.0% |
| 20250905 | 100% | 19.8% |
| 20250904 | 100% | 19.6% |
| 20250903 | 100% | 19.3% |
| 20250902 | 100% | 19.1% |
| 20250829 | 92% | 17.2% |
| 20250828 | 89% | 16.8% |
| 20250827 | 88% | 16.4% |
| 20250826 | 85% | 16.0% |
| 20250825 | 84% | 15.8% |
| 20250822 | 80% | 15.0% |
| 20250821 | 78% | 14.7% |
| 20250820 | 78% | 14.7% |
| 20250819 | 75% | 14.1% |
| 20250818 | 74% | 13.9% |
| 20250815 | 71% | 13.3% |
| 20250814 | 71% | 13.4% |