Littelfuse (LFUS) Options Chain

NASDAQ: LFUSEnergyElectrical ProductsUSD

426.50+1.20 (+0.28%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Nov 20, 2026
Days to expiration: 41
Share price: $426.50
Put/call ratio (OI): 1.12
Put/call ratio (volume): 2.29
ATM implied volatility: 74.1%
Expected move: ±$105.95
Open interest (C / P): 489 / 548

LFUS options summary

The LFUS options chain for the November 20, 2026 expiration lists 26 call and 30 put contracts, with 41 days until expiration. Open interest stands at 489 calls and 548 puts, a put/call ratio of 1.12, which is fairly balanced between calls and puts. At-the-money implied volatility near the $430.00 strike is 74.1%, which implies the market expects a move of about ±$105.95 (24.8%) in Littelfuse stock by expiration.

The most open interest sits at the $520.00 call (237 contracts) and the $320.00 put (151 contracts).

Summary generated from market data by MetaCap's automated system. Methodology

LFUS options chain · November 20, 2026

LFUS calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
—	—	—	—	—	—	200.00	0.00	0.00	2.05	50.0%	4	0
—	—	—	—	—	—	210.00	0.00	0.00	1.89	50.0%	6	0
—	—	—	—	—	—	220.00	0.05	10.00	4.95	139.9%	41	38
—	—	—	—	—	—	230.00	0.00	0.00	9.70	25.0%	1	0
1	—	91.6%	157.24	176.00	180.30	250.00	0.00	0.00	5.10	25.0%	—	0
0	—	—	180.02	0.00	0.00	260.00	3.80	12.60	6.80	125.9%	—	1
1	—	81.8%	128.60	147.00	151.10	280.00	—	—	—	—	—	—
—	—	—	—	—	—	290.00	0.00	0.00	21.70	25.0%	—	0
—	—	—	—	—	—	300.00	0.10	5.00	2.90	70.7%	1	1
—	—	—	—	—	—	310.00	5.10	9.30	13.50	86.6%	1	1
1	—	—	106.60	97.00	101.50	320.00	10.50	15.00	18.70	98.3%	—	151
—	—	—	—	—	—	330.00	1.50	6.10	4.41	60.9%	—	2
—	—	—	—	—	—	340.00	0.00	0.00	16.39	12.5%	—	0
—	—	—	—	—	—	350.00	0.00	0.00	19.03	12.5%	1	0
—	—	—	—	—	—	360.00	4.50	9.30	5.00	54.8%	1	120
1	—	57.3%	70.20	64.50	68.80	370.00	6.20	11.00	18.09	53.4%	1	14
6	6	67.8%	95.00	62.10	66.50	380.00	8.10	13.00	21.30	51.8%	1	3
23	23	66.9%	94.00	55.10	60.00	390.00	33.00	37.50	48.80	94.7%	68	124
2	1	59.0%	56.70	45.00	50.00	400.00	13.90	18.00	20.50	53.2%	1	3
3	1	51.0%	32.26	35.50	39.50	410.00	17.60	21.50	40.90	51.9%	—	1
—	—	—	—	—	—	420.00	0.00	0.00	48.60	0.8%	2	0
LFUS $426.50
63	1	50.5%	45.53	24.90	29.40	430.00	55.00	60.00	61.24	97.8%	2	30
4	—	50.2%	34.00	20.60	25.00	440.00	49.00	53.10	57.20	76.1%	—	19
3	—	50.0%	30.51	17.00	21.00	450.00	39.20	43.00	63.30	50.9%	2	1
—	—	—	—	—	—	460.00	75.60	80.00	88.80	101.0%	2	2
—	—	—	—	—	—	470.00	82.70	87.50	98.70	102.2%	4	1
0	1	95.0%	77.08	30.90	38.00	480.00	90.80	95.00	103.40	103.8%	1	1
1	1	50.6%	18.02	7.00	11.00	490.00	98.50	103.00	104.60	105.3%	1	0
45	4	69.8%	25.32	13.50	18.30	500.00	106.20	111.00	118.80	106.3%	2	0
8	7	69.5%	26.60	11.50	16.00	510.00	99.70	103.90	101.00	79.0%	38	35
237	2	53.3%	10.50	4.30	7.00	520.00	123.10	127.50	126.60	109.5%	2	0
69	2	51.4%	10.95	2.10	6.00	530.00	—	—	—	—	—	—
2	1	71.3%	14.60	7.50	12.00	540.00	—	—	—	—	—	—
0	3	72.7%	14.90	6.50	11.50	550.00	—	—	—	—	—	—
1	1	53.9%	4.90	0.15	4.90	560.00	—	—	—	—	—	—
0	3	73.3%	12.70	4.60	9.50	570.00	—	—	—	—	—	—
0	1	12.5%	9.90	0.00	0.00	580.00	—	—	—	—	—	—
0	3	74.0%	10.10	3.10	8.00	590.00	—	—	—	—	—	—
18	18	84.7%	13.50	0.05	5.00	700.00	—	—	—	—	—	—
0	1	25.0%	10.50	0.00	0.00	720.00	—	—	—	—	—	—

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 LFUS put/call ratio?

For the November 20, 2026 expiration, the LFUS put/call ratio based on open interest is 1.12 (548 puts vs 489 calls), and 2.29 based on today's volume. A ratio above 1 means more puts than calls.

What is LFUS's implied volatility?

At-the-money implied volatility for LFUS options expiring November 20, 2026 is about 74.1%, an annualized estimate of how much the market expects Littelfuse stock to move.

How many LFUS option expiration dates are there?

LFUS has 5 listed expiration dates, from Oct 16, 2026 to Sep 17, 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.