Option chain for Bel Fuse - Class B (BELFB): calls and puts for every expiration and strike, with quotes, volume, open interest, implied volatility and greeks. As of Oct 23, 2026, BELFB had 5 option expirations, from Nov 20, 2026 to Jun 17, 2027, and 17 contracts traded that day. The nearest expiration, Nov 20, 2026, had an at-the-money implied volatility of 57.3% (-5% on the day) and 9 contracts traded.

For the latest figures, see BELFB options overview.

Key numbers

Expirations: at-the-money implied volatility, change on the day, volume

Nov 20, 2026 (28 days): ATM IV 57.3% (-5%), volume 9
Dec 18, 2026 (56 days): ATM IV 57.8% (-4%), volume 0
Jan 15, 2027 (84 days): ATM IV 57.6% (-2%), volume 5
Mar 19, 2027 (147 days): ATM IV 61.0% (-0%), volume 0
Jun 17, 2027 (237 days): ATM IV 61.4% (+1%), volume 3

Data as of October 23, 2026.

BELFB Option Chain

Detailed and comprehensive option chain for each expiration listed for BELFB. Includes volume, open interest, implied volatility, and bid/ask for each strike. Investigate further by clicking on a strike and seeing trade activity, volatility movement, and yesterday's closing values. Use the built-in options profit calculator to see the profit or loss of any BELFB options strategy.

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