Bel Fuse - Class B (BELFB) options traded 17 contracts on November 5, 2026 (13 calls and 4 puts, a put/call ratio of 0.31), compared with a 30-day average of 33. Options price a move of about ±3.1% by the nearest expiration.

Key numbers

30-day implied volatility (IV30): 53.9%
Implied move by the nearest expiration: ±3.1%
Option volume: 17 contracts (13 calls, 4 puts); 30-day average 33

Data as of November 5, 2026.

BELFB Option Breakdown

A breakdown of key statistics for each option expiration listed for BELFB. View implied volatility, volatility skew, volume, open interest, straddle premiums, and liquidity -- including bid/ask spread and NBBO bid/ask sizes. Includes links to the option chain, as well as numerous detailed charts.

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