Bel Fuse Inc

BELFBNASDAQ · USD
206.79USD+10.85 (+5.54%)
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Bel Fuse Inc (BELFB) Implied Volatility Current

BELFB's 30 day implied volatility is 61.11%, with an IV Rank of 77.78%. This is a high IV Rank versus the past year, meaning Bel Fuse Inc options are relatively expensive and currently favor sellers. BELFB's 30 day historical volatility sits at 66.35%, which means implied volatility is running 5.24 points below historical volatility, as of Nov 5, 2026.

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Tracking BELFB implied volatility helps you spot when Bel Fuse Inc options are historically cheap or expensive, and where the best trades are hiding. When BELFB IV rises, premiums increase and sellers get more attractive pricing, and when it drops, buyers find cheaper contracts. Use our scanner to monitor BELFB implied volatility current levels in real time and filter for high probability trades.

Implied volatility is derived from option prices and represents the annualized expected move of a stock. Tracking BELFB IV rank helps you see whether BELFB's implied volatility is historically high or low, since IV rank compares today's reading against the past year's range. A high rank signals relatively expensive premiums and tends to favor sellers, a low rank signals relatively cheap premiums and tends to favor buyers.

Bel Fuse Inc. designs and manufactures advanced power, protection, and connectivity solutions that enable industrial technology and data-driven innovation. Serving markets including data infrastructure, industrial, medical, semiconductor, and transportation, Bel delivers reliable solutions built on a legacy of engineering excellence.

Implied Volatility

IV Rank
77.78%IV Rank
High

IV is highly elevated. Premiums are expensive, strongly favoring sellers.

Implied Volatility (30d)61.11%

IV Rank77.78%

Historical Volatility (30d)66.35%

IV Minus HV-5.24%

As of Nov 5, 2026

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