Bel Fuse (BELFB) Options Chain
NASDAQ: BELFBTechnologyElectronic ComponentsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 40
- Share price
- $244.50
- Put/call ratio (OI)
- 5.00
- Put/call ratio (volume)
- 0.00
- Expected move
- ±$46.22
- Open interest (C / P)
- 1 / 5
BELFB options summary
The BELFB options chain for the November 20, 2026 expiration lists 1 call and 1 put contracts, with 40 days until expiration. Open interest stands at 1 calls and 5 puts, a put/call ratio of 5.00, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $230.00 strike is 57.1%, which implies the market expects a move of about ±$46.22 (18.9%) in Bel Fuse stock by expiration.
The most open interest sits at the $290.00 call (1 contracts) and the $230.00 put (5 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
BELFB options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 230.00 | 7.00 | 16.50 | 13.10 | |||||
| 10.30 | 0.80 | 10.00 | 290.00 | — | — | — | |||||
In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.
Frequently asked questions
What is the BELFB put/call ratio?
For the November 20, 2026 expiration, the BELFB put/call ratio based on open interest is 5.00 (5 puts vs 1 calls), and 0.00 based on today's volume. A ratio above 1 means more puts than calls.
What is BELFB's implied volatility?
At-the-money implied volatility for BELFB options expiring November 20, 2026 is about 57.1%, an annualized estimate of how much the market expects Bel Fuse stock to move.
How many BELFB option expiration dates are there?
BELFB has 5 listed expiration dates, from Oct 16, 2026 to Mar 19, 2027.
What does "in the money" mean?
A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.