Bel Fuse (BELFB) Options Chain
NASDAQ: BELFBTechnologyElectronic ComponentsUSD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
After hours: 242.50 0.00%
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 8
- Share price
- $242.50
- Put/call ratio (OI)
- 0.24
- Put/call ratio (volume)
- 0.14
- Expected move
- ±$28.55
- Open interest (C / P)
- 17 / 4
BELFB options summary
The BELFB options chain for the October 16, 2026 expiration lists 4 call and 3 put contracts, with 8 days until expiration. Open interest stands at 17 calls and 4 puts, a put/call ratio of 0.24, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $240.00 strike is 79.5%, which implies the market expects a move of about ±$28.55 (11.8%) in Bel Fuse stock by expiration.
The most open interest sits at the $290.00 call (8 contracts) and the $220.00 put (2 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
BELFB options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 210.00 | 0.00 | 10.00 | 4.62 | |||||
| — | — | — | 220.00 | 0.00 | 10.00 | 6.60 | |||||
| — | — | — | 240.00 | 1.25 | 10.80 | 5.70 | |||||
| 16.00 | 0.30 | 10.00 | 250.00 | — | — | — | |||||
| 1.90 | 0.05 | 10.00 | 270.00 | — | — | — | |||||
| 8.69 | 0.00 | 10.00 | 280.00 | — | — | — | |||||
| 1.25 | 0.00 | 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 October 16, 2026 expiration, the BELFB put/call ratio based on open interest is 0.24 (4 puts vs 17 calls), and 0.14 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 October 16, 2026 is about 79.5%, 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.