BELFB · Expected Move
Bel Fuse Inc
The expected move for BELFB 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).
BELFB 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 BELFB Expected Move
30-Day Straddle
$42.95
7-Day Straddle
$17.70
30-Day ATM IV
57.0%
IV Rank
39%
Implied one-standard-deviation move through the next 30 days. Compare to BELFB'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.
BELFB Straddle Price — Last 60 Days
| Date | 30D Straddle | 7D Straddle | ATM IV | IV Rank |
|---|---|---|---|---|
| 20261005 | $42.95 | $17.70 | 57.0% | 39% |
| 20261002 | $19.00 | $19.00 | 54.8% | 30% |
| 20261001 | $21.20 | $21.20 | 56.6% | 38% |
| 20260930 | $21.05 | $21.05 | 55.5% | 33% |
| 20260929 | $22.45 | $22.45 | 55.4% | 33% |
| 20260928 | $22.75 | $22.75 | 55.1% | 31% |
| 20260925 | $24.05 | $24.05 | 52.5% | 20% |
| 20260924 | $25.25 | $25.25 | 54.3% | 28% |
| 20260923 | $26.25 | $26.25 | 53.1% | 23% |
| 20260922 | $26.70 | $26.70 | 54.4% | 29% |
| 20260921 | $27.55 | $27.55 | 54.6% | 30% |
| 20260918 | $27.00 | $8.50 | 50.4% | 14% |
| 20260917 | $26.50 | $10.03 | 49.4% | 13% |
| 20260916 | $28.35 | $11.75 | 52.8% | 27% |
| 20260915 | $28.75 | $12.40 | 53.3% | 29% |
| 20260914 | $27.90 | $11.57 | 51.5% | 22% |
| 20260911 | $31.55 | $13.85 | 51.2% | 20% |
| 20260910 | $32.90 | $15.92 | 53.5% | 30% |
| 20260909 | $33.30 | $17.25 | 53.4% | 29% |
| 20260908 | $35.80 | $18.10 | 55.8% | 39% |
| 20260904 | $33.70 | $19.55 | 50.8% | 19% |
| 20260903 | $34.25 | $20.00 | 52.3% | 25% |
| 20260902 | $21.25 | $21.25 | 52.2% | 24% |
| 20260901 | $21.20 | $21.20 | 50.8% | 19% |
| 20260831 | $22.70 | $22.70 | 52.5% | 25% |
| 20260828 | $21.30 | $21.30 | 48.6% | 10% |
| 20260827 | $25.40 | $25.40 | 49.9% | 15% |
| 20260826 | $26.00 | $26.00 | 50.5% | 18% |
| 20260825 | $26.65 | $26.65 | 52.4% | 25% |
| 20260824 | $27.70 | $27.70 | 53.0% | 28% |
| 20260821 | $28.25 | $10.00 | 49.2% | 12% |
| 20260820 | $29.95 | $10.05 | 50.6% | 18% |
| 20260819 | $31.25 | $11.85 | 50.9% | 19% |
| 20260818 | $32.55 | $12.60 | 50.5% | 17% |
| 20260817 | $35.45 | $14.45 | 50.0% | 16% |
| 20260814 | $34.70 | $15.15 | 48.6% | 10% |
| 20260813 | $36.95 | $18.45 | 51.1% | 20% |
| 20260812 | $38.45 | $19.45 | 50.8% | 19% |
| 20260811 | $39.10 | $20.30 | 52.7% | 26% |
| 20260810 | $40.35 | $23.05 | 54.0% | 32% |
| 20260807 | — | — | 52.1% | 24% |
| 20260806 | $45.25 | $28.35 | 56.1% | 40% |
| 20260805 | $29.45 | $29.45 | 55.5% | 37% |
| 20260804 | $30.00 | $30.00 | 56.5% | 41% |
| 20260803 | $29.95 | $29.95 | 57.4% | 45% |
| 20260731 | $30.50 | $30.50 | 56.9% | 43% |
| 20260730 | $30.15 | $30.15 | 58.3% | 49% |
| 20260729 | $35.40 | $35.40 | 68.8% | 90% |
| 20260728 | $36.70 | $36.70 | 71.0% | 99% |
| 20260727 | $40.60 | $40.60 | 68.9% | 91% |
| 20260724 | $43.15 | $43.15 | 69.5% | 93% |
| 20260723 | $44.55 | $44.55 | 68.8% | 90% |
| 20260722 | $46.10 | $46.10 | 71.3% | 100% |
| 20260721 | $42.45 | $42.45 | 64.8% | 78% |
| 20260720 | $41.90 | $41.90 | 65.5% | 81% |
| 20260716 | $41.40 | $13.65 | 61.7% | 65% |
| 20260715 | $43.95 | $12.55 | 61.9% | 66% |
| 20260714 | $45.00 | $13.75 | 62.8% | 70% |
| 20260713 | $42.75 | $15.45 | 61.9% | 66% |
| 20260710 | $44.45 | $16.95 | 59.8% | 57% |
More on BELFB
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.