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Bel Fuse B Inc (BELFB)

Symbol	Exchange	Currency
BELFB	NASDAQ	USD	Real-time
BELFA	NASDAQ	USD	Real-time
BELFb	TradeGate	EUR	Delayed

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129.24 +0.83 +0.65%

20:41:49 - Real-time Cboe. Currency in USD

Type: Equity

Market: United States

Volume: 53,833
Bid/Ask: 0.00 / 0.00
Day's Range: 127.98 - 129.84

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Bel Fuse B Option Chain

Get free option data for BELFB. You'll find Call and Put Strike Prices, Last Price, Change, Volume, Implied Volatility, Theoretical and Greeks for Bel Fuse B options for the expiration dates selected. Below this information you can also find an open interest chart for the share's options.

Expiration Date:

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Strike Price:

Quotes Analysis

Aug 21, 2025 19:28 GMT

Calls

Puts

Last	Chg.	Bid	Ask	Vol	Strike	Last	Chg.	Bid	Ask	Vol
0	0%	92	97	0	35.00	0	0%	0	5	0
BELFB Call 35.00 Exp: Sep 19, 2025 Last: 0 Chg.: 0% SymbolBELFB\|20250919\|35.00C Delta0.9677 Imp Vol3.3924 Bid92 Gamma0.0006 Theoretical97 Ask97 Theta-0.1564 Intrinsic Value94.62 Volume0 Vega0.0263 Time Value-94.62 Open Interest0 Rho0.0225 Delta / Theta-6.1862 BELFB Put 35.00 Exp: Sep 19, 2025 Last: 0 Chg.: 0% SymbolBELFB\|20250919\|35.00P Delta-0.0334 Imp Vol3.462 Bid0 Gamma0.0006 Theoretical2.5 Ask5 Theta-0.1616 Intrinsic Value-94.62 Volume0 Vega0.0272 Time Value94.62 Open Interest0 Rho-0.005 Delta / Theta0.207
0	0%	87	92	0	40.00	0	0%	0	0.2	0
BELFB Call 40.00 Exp: Sep 19, 2025 Last: 0 Chg.: 0% SymbolBELFB\|20250919\|40.00C Delta0.9637 Imp Vol3.0611 Bid87 Gamma0.0007 Theoretical92 Ask92 Theta-0.156 Intrinsic Value89.62 Volume0 Vega0.029 Time Value-89.62 Open Interest0 Rho0.0261 Delta / Theta-6.1773 BELFB Put 40.00 Exp: Sep 19, 2025 Last: 0 Chg.: 0% SymbolBELFB\|20250919\|40.00P Delta-0.0043 Imp Vol1.7557 Bid0 Gamma0.0002 Theoretical0.1 Ask0.2 Theta-0.0139 Intrinsic Value-89.62 Volume0 Vega0.0046 Time Value89.62 Open Interest0 Rho-0.0005 Delta / Theta0.3091
0	0%	82	87	0	45.00	0	0%	0	0.2	0
BELFB Call 45.00 Exp: Sep 19, 2025 Last: 0 Chg.: 0% SymbolBELFB\|20250919\|45.00C Delta0.9596 Imp Vol2.7742 Bid82 Gamma0.0009 Theoretical87 Ask87 Theta-0.155 Intrinsic Value84.62 Volume0 Vega0.0316 Time Value-84.62 Open Interest0 Rho0.0297 Delta / Theta-6.1914 BELFB Put 45.00 Exp: Sep 19, 2025 Last: 0 Chg.: 0% SymbolBELFB\|20250919\|45.00P Delta-0.0048 Imp Vol1.5884 Bid0 Gamma0.0002 Theoretical0.1 Ask0.2 Theta-0.0138 Intrinsic Value-84.62 Volume0 Vega0.0051 Time Value84.62 Open Interest0 Rho-0.0005 Delta / Theta0.3456
					129.62	Price @ Aug 21, 2025 19:28 GMT
7.8	0%	3.5	8.4	0	130.00	0	0%	4	8.5	0
BELFB Call 130.00 Exp: Sep 19, 2025 Last: 7.8 Chg.: 0% SymbolBELFB\|20250919\|130.00C Delta0.5232 Imp Vol0.4082 Bid3.5 Gamma0.0267 Theoretical5.95 Ask8.4 Theta-0.1093 Intrinsic Value-0.38 Volume0 Vega0.1454 Time Value8.18 Open Interest2 Rho0.0491 Delta / Theta-4.7876 BELFB Put 130.00 Exp: Sep 19, 2025 Last: 0 Chg.: 0% SymbolBELFB\|20250919\|130.00P Delta-0.4783 Imp Vol0.4276 Bid4 Gamma0.0256 Theoretical6.25 Ask8.5 Theta-0.1007 Intrinsic Value0.38 Volume0 Vega0.1454 Time Value-0.38 Open Interest0 Rho-0.0455 Delta / Theta4.7505
4.5	0%	1.5	6	0	135.00	10.6	0%	6.9	11.5	0
BELFB Call 135.00 Exp: Sep 19, 2025 Last: 4.5 Chg.: 0% SymbolBELFB\|20250919\|135.00C Delta0.3899 Imp Vol0.3979 Bid1.5 Gamma0.0264 Theoretical3.75 Ask6 Theta-0.1014 Intrinsic Value-5.38 Volume0 Vega0.1401 Time Value9.88 Open Interest7 Rho0.0372 Delta / Theta-3.8458 BELFB Put 135.00 Exp: Sep 19, 2025 Last: 10.6 Chg.: 0% SymbolBELFB\|20250919\|135.00P Delta-0.6031 Imp Vol0.4286 Bid6.9 Gamma0.0248 Theoretical9.2 Ask11.5 Theta-0.096 Intrinsic Value5.38 Volume0 Vega0.1406 Time Value5.22 Open Interest2 Rho-0.0555 Delta / Theta6.2821
3.5	0%	0	5	0	140.00	0	0%	10.3	15	0
BELFB Call 140.00 Exp: Sep 19, 2025 Last: 3.5 Chg.: 0% SymbolBELFB\|20250919\|140.00C Delta0.2823 Imp Vol0.414 Bid0 Gamma0.0223 Theoretical2.5 Ask5 Theta-0.0919 Intrinsic Value-10.38 Volume0 Vega0.1234 Time Value13.88 Open Interest1 Rho0.0271 Delta / Theta-3.0708 BELFB Put 140.00 Exp: Sep 19, 2025 Last: 0 Chg.: 0% SymbolBELFB\|20250919\|140.00P Delta-0.718 Imp Vol0.4239 Bid10.3 Gamma0.0221 Theoretical12.65 Ask15 Theta-0.0811 Intrinsic Value10.38 Volume0 Vega0.1229 Time Value-10.38 Open Interest0 Rho-0.0615 Delta / Theta8.8562

Open Positions

Calls

Puts

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