Bel Fuse (BELFB) Options Chain
NASDAQ: BELFBTechnologyElectronic ComponentsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Mar 19, 2027
- Days to expiration
- 159
- Share price
- $244.50
- Put/call ratio (OI)
- 0.09
- Put/call ratio (volume)
- 0.04
- Expected move
- ±$97.89
- Open interest (C / P)
- 145 / 13
BELFB options summary
The BELFB options chain for the March 19, 2027 expiration lists 22 call and 4 put contracts, with 159 days until expiration. Open interest stands at 145 calls and 13 puts, a put/call ratio of 0.09, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $240.00 strike is 60.7%, which implies the market expects a move of about ±$97.89 (40.0%) in Bel Fuse stock by expiration.
The most open interest sits at the $350.00 call (53 contracts) and the $390.00 put (6 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
BELFB options chain · March 19, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 130.00 | 0.10 | 10.00 | 6.00 | |||||
| 141.90 | 111.00 | 120.70 | 135.00 | — | — | — | |||||
| 113.00 | 0.00 | 0.00 | 200.00 | 13.70 | 23.00 | 16.00 | |||||
| 115.00 | 55.70 | 65.00 | 210.00 | — | — | — | |||||
| 99.02 | 91.00 | 95.50 | 220.00 | — | — | — | |||||
| 89.90 | 0.00 | 0.00 | 230.00 | — | — | — | |||||
| 45.50 | 36.70 | 45.00 | 240.00 | — | — | — | |||||
| 39.75 | 31.00 | 40.60 | 250.00 | — | — | — | |||||
| 54.00 | 0.00 | 0.00 | 260.00 | — | — | — | |||||
| 36.60 | 24.30 | 33.00 | 270.00 | — | — | — | |||||
| 25.20 | 20.50 | 29.00 | 280.00 | — | — | — | |||||
| 25.00 | 14.20 | 24.00 | 300.00 | — | — | — | |||||
| 39.50 | 54.00 | 58.50 | 310.00 | — | — | — | |||||
| 40.60 | 0.00 | 0.00 | 320.00 | — | — | — | |||||
| 39.73 | 0.00 | 0.00 | 330.00 | — | — | — | |||||
| 48.90 | 32.00 | 41.90 | 340.00 | — | — | — | |||||
| 40.05 | 8.00 | 16.90 | 350.00 | — | — | — | |||||
| 30.00 | 0.00 | 0.00 | 360.00 | — | — | — | |||||
| 29.50 | 25.00 | 29.50 | 390.00 | 126.50 | 131.50 | 122.00 | |||||
| 29.00 | 21.00 | 26.00 | 410.00 | 143.50 | 148.00 | 131.50 | |||||
| 29.40 | 0.60 | 10.00 | 440.00 | — | — | — | |||||
| 3.00 | 0.00 | 10.00 | 470.00 | — | — | — | |||||
| 2.95 | 0.00 | 10.00 | 480.00 | — | — | — | |||||
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 March 19, 2027 expiration, the BELFB put/call ratio based on open interest is 0.09 (13 puts vs 145 calls), and 0.04 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 March 19, 2027 is about 60.7%, 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.