ETNB · Expected Move
89bio, Inc. Common Stock
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).
ETNB straddle price & implied vol
60 sessionsBars: at-the-money straddle price (30-day and 7-day) — the market's priced move. Line: 30-day at-the-money implied volatility (right axis).
Current ETNB Expected Move
30-Day Straddle
$8.03
7-Day Straddle
$8.03
30-Day ATM IV
41.0%
IV Rank
10%
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 | ATM IV | IV Rank |
|---|---|---|---|---|
| 20251029 | $8.03 | $8.03 | 41.0% | 10% |
| 20251028 | $3.02 | $3.02 | 50.5% | 14% |
| 20251027 | $7.97 | $7.97 | — | — |
| 20251024 | $15.00 | $15.00 | 38.9% | 9% |
| 20251023 | $2.98 | $2.98 | 21.9% | 3% |
| 20251022 | $0.53 | $0.53 | 53.5% | 15% |
| 20251021 | $3.02 | $3.02 | 26.9% | 5% |
| 20251020 | $0.93 | $0.93 | 35.7% | 8% |
| 20251017 | $0.62 | $7.78 | 39.5% | 10% |
| 20251016 | $0.62 | $2.52 | 25.6% | 5% |
| 20251015 | $8.07 | $7.72 | 37.8% | 9% |
| 20251014 | $3.05 | $2.70 | 66.8% | 20% |
| 20251013 | $0.98 | $7.83 | 24.9% | 4% |
| 20251010 | $3.00 | $0.28 | 13.3% | 0% |
| 20251009 | $8.03 | $7.65 | 22.3% | 3% |
| 20251008 | $0.75 | $0.17 | 51.6% | 14% |
| 20251007 | $8.00 | $0.20 | 35.7% | 8% |
| 20251006 | $0.50 | $0.80 | 284.2% | 100% |
| 20251003 | $2.67 | $2.67 | 47.2% | 21% |
| 20251002 | $0.23 | $0.23 | 15.1% | 1% |
| 20251001 | $1.07 | $1.07 | 26.4% | 8% |
| 20250930 | $0.75 | $0.75 | 30.3% | 10% |
| 20250929 | $2.77 | $2.77 | 13.7% | 0% |
| 20250926 | $0.40 | $0.40 | 29.0% | 7% |
| 20250925 | $0.35 | $0.35 | 28.7% | 7% |
| 20250924 | $0.35 | $0.35 | 28.6% | 7% |
| 20250923 | $0.35 | $0.35 | 58.2% | 25% |
| 20250922 | $0.20 | $0.20 | — | — |
| 20250919 | $0.20 | $0.12 | 173.2% | 98% |
| 20250918 | $0.25 | $0.15 | 18.0% | 0% |
| 20250917 | $1.85 | $3.00 | 103.8% | 40% |
| 20250916 | $1.45 | $2.05 | — | — |
| 20250915 | $1.35 | $3.17 | 70.8% | 12% |
| 20250912 | $1.57 | $0.95 | 101.2% | 38% |
| 20250911 | $1.92 | $2.17 | 79.2% | 19% |
| 20250910 | $1.73 | $1.15 | 71.7% | 13% |
| 20250909 | $2.05 | $2.93 | 171.5% | 96% |
| 20250908 | $2.17 | $1.22 | 78.9% | 19% |
| 20250905 | $3.27 | $1.30 | 112.6% | 47% |
| 20250904 | $1.62 | $1.20 | — | — |
| 20250903 | $1.05 | $1.05 | 104.8% | 41% |
| 20250902 | $1.25 | $1.25 | 70.4% | 12% |
| 20250829 | $1.27 | $1.27 | 80.8% | 21% |
| 20250828 | $1.05 | $1.05 | 82.5% | 22% |
| 20250827 | $0.88 | $0.88 | — | — |
| 20250826 | $0.90 | $0.90 | 77.7% | 18% |
| 20250825 | $1.57 | $1.57 | 70.1% | 12% |
| 20250822 | $1.27 | $1.27 | 67.3% | 9% |
| 20250821 | $1.68 | $1.68 | 68.3% | 9% |
| 20250820 | $1.70 | $1.70 | 71.0% | 11% |
| 20250819 | $1.88 | $1.88 | 75.2% | 15% |
| 20250818 | $1.88 | $1.88 | 77.6% | 16% |
| 20250815 | $1.43 | $3.05 | 63.3% | 6% |
| 20250814 | $1.48 | $0.80 | 87.8% | 24% |
| 20250813 | $1.62 | $0.93 | 59.7% | 3% |
| 20250812 | $1.90 | $1.05 | 69.4% | 10% |
| 20250811 | $1.52 | $1.18 | 77.2% | 16% |
| 20250808 | $1.65 | $1.53 | 55.7% | 0% |
| 20250807 | $2.17 | $1.27 | 83.1% | 16% |
| 20250806 | $1.73 | $1.23 | 83.4% | 16% |
More on ETNB
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.