ETNB (89bio, Inc. Common Stock)
Expected Move & Straddle Price History
The expected move for ETNB is derived from at-the-money straddle pricing — the market's implied one-standard-deviation move through the next 30 days. Comparing it to realized moves reveals when options are pricing in too much (premium-selling regime) vs too little (premium-buying 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.
Current ETNB Expected Move
30-Day Straddle
$0.00
7-Day Straddle
$0.00
Avg IV
1.9%
IV Rank
37%
Implied one-standard-deviation move through the next 30 days. Compare to ETNB's realized
move over the same window to gauge whether options are pricing in too much (premium-selling regime)
or too little (premium-buying regime). The
Expected Move Tracker ranks every symbol by
this measure.
ETNB Straddle Price — Last 60 Days
| Date | 30D Straddle | 7D Straddle | Avg IV | IV Rank |
|---|---|---|---|---|
| 20251031 | $0.00 | $0.00 | 1.9% | 37% |
| 20251030 | $0.00 | $0.00 | 1.8% | 35% |
| 20251029 | $8.03 | $8.03 | 2.0% | 44% |
| 20251028 | $3.02 | $3.02 | 2.5% | 65% |
| 20251027 | $7.97 | $7.97 | 2.4% | 60% |
| 20251024 | $15.00 | $15.00 | 2.1% | 48% |
| 20251023 | $2.98 | $2.98 | 1.7% | 28% |
| 20251022 | $0.53 | $0.53 | 2.1% | 50% |
| 20251021 | $3.02 | $3.02 | 2.0% | 40% |
| 20251020 | $0.93 | $0.93 | 1.9% | 39% |
| 20251017 | $0.62 | $7.78 | 1.6% | 23% |
| 20251016 | $0.62 | $2.52 | 1.6% | 26% |
| 20251015 | $8.07 | $7.72 | 1.7% | 26% |
| 20251014 | $3.05 | $2.70 | 1.5% | 20% |
| 20251013 | $0.98 | $7.83 | 1.4% | 13% |
| 20251010 | $3.00 | $0.28 | 1.5% | 20% |
| 20251009 | $8.03 | $7.65 | 1.3% | 10% |
| 20251008 | $0.75 | $0.17 | 1.3% | 7% |
| 20251007 | $8.00 | $0.20 | 1.3% | 8% |
| 20251006 | $0.50 | $0.80 | 1.2% | 3% |
| 20251003 | $2.67 | $2.67 | 2.7% | 76% |
| 20251002 | $0.23 | $0.23 | 3.0% | 92% |
| 20251001 | $1.07 | $1.07 | 3.2% | 100% |
| 20250930 | $0.75 | $0.75 | 2.7% | 92% |
| 20250929 | $2.77 | $2.77 | 2.9% | 100% |
| 20250926 | $0.40 | $0.40 | 2.4% | 78% |
| 20250925 | $0.35 | $0.35 | 2.8% | 100% |
| 20250924 | $0.35 | $0.35 | 2.8% | 100% |
| 20250923 | $0.35 | $0.35 | 2.5% | 91% |
| 20250922 | $0.20 | $0.20 | 2.6% | 93% |
| 20250919 | $0.20 | $0.12 | 2.3% | 74% |
| 20250918 | $0.25 | $0.15 | 2.7% | 100% |
| 20250917 | $1.85 | $3.00 | 1.8% | 57% |
| 20250916 | $1.45 | $2.05 | 1.4% | 20% |
| 20250915 | $1.35 | $3.17 | 1.2% | 6% |
| 20250912 | $1.57 | $0.95 | 1.5% | 33% |
| 20250911 | $1.92 | $2.17 | 1.3% | 20% |
| 20250910 | $1.73 | $1.15 | 1.2% | 8% |
| 20250909 | $2.05 | $2.93 | 1.1% | 2% |
| 20250908 | $2.17 | $1.22 | 1.4% | 16% |
| 20250905 | $3.27 | $1.30 | 1.1% | 3% |
| 20250904 | $1.62 | $1.20 | 1.4% | 18% |
| 20250903 | $1.05 | $1.05 | 2.1% | 55% |
| 20250902 | $1.25 | $1.25 | 2.1% | 57% |
| 20250829 | $1.27 | $1.27 | 2.1% | 54% |
| 20250828 | $1.05 | $1.05 | 2.2% | 61% |
| 20250827 | $0.88 | $0.88 | 2.0% | 52% |
| 20250826 | $0.90 | $0.90 | 1.9% | 42% |
| 20250825 | $1.57 | $1.57 | 1.9% | 47% |
| 20250822 | $1.27 | $1.27 | 2.1% | 53% |
| 20250821 | $1.68 | $1.68 | 1.7% | 36% |
| 20250820 | $1.70 | $1.70 | 1.7% | 34% |
| 20250819 | $1.88 | $1.88 | 1.8% | 40% |
| 20250818 | $1.88 | $1.88 | 1.6% | 28% |
| 20250815 | $1.43 | $3.05 | 1.6% | 30% |
| 20250814 | $1.48 | $0.80 | 2.0% | 52% |
| 20250813 | $1.62 | $0.93 | 1.5% | 22% |
| 20250812 | $1.90 | $1.05 | 1.6% | 28% |
| 20250811 | $1.52 | $1.18 | 1.7% | 36% |
| 20250808 | $1.65 | $1.53 | 1.6% | 27% |