Bel Fuse Inc. (BELFB)
NASDAQ: BELFB
· Real-Time Price · USD
132.41
-2.17 (-1.61%)
At close: Aug 14, 2025, 3:59 PM
132.13
-0.21%
Pre-market: Aug 15, 2025, 08:45 AM EDT
BELFB Option Overview
Overview for all option chains of BELFB. As of August 15, 2025, BELFB options have an IV of 337.84% and an IV rank of 404.06%. The volume is 2 contracts, which is 8% of average daily volume of 25 contracts. The volume put-call ratio is 0, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
337.84%IV Rank
404.06%Historical Volatility
56.74%IV Low
45.4% on Jan 24, 2025IV High
117.78% on Aug 13, 2025Open Interest (OI)
Today's Open Interest
1,991Put-Call Ratio
0.04Put Open Interest
80Call Open Interest
1,911Open Interest Avg (30-day)
422Today vs Open Interest Avg (30-day)
471.8%Option Volume
Today's Volume
2Put-Call Ratio
0Put Volume
0Call Volume
2Volume Avg (30-day)
25Today vs Volume Avg (30-day)
8%Option Chain Statistics
This table provides a comprehensive overview of all BELFB options grouped by their expiration dates.
| Expiration | Call Vol | Put Vol | P/C Vol | Call OI | Put OI | P/C OI | Implied Volatility | Max Pain |
| Aug 15, 2025 | 1 | 0 | 0 | 25 | 16 | 0.64 | 337.84% | 105 |
| Sep 19, 2025 | 1 | 0 | 0 | 81 | 29 | 0.36 | 71.2% | 90 |
| Oct 17, 2025 | 0 | 0 | 0 | 0 | 0 | 0 | 48.03% | 80 |
| Dec 19, 2025 | 0 | 0 | 0 | 100 | 12 | 0.12 | 50.82% | 80 |
| Jan 16, 2026 | 0 | 0 | 0 | 1,433 | 0 | 0 | n/a | 7 |
| Mar 20, 2026 | 0 | 0 | 0 | 272 | 23 | 0.08 | 47.67% | 110 |