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LFUS Littelfuse, Inc.

Technology

394.54 +1.45 +0.37% Close 11/2
Since 2024-12-02 +61.5%
Open
399.94
High
409.71
Low
393.38
Prev close
393.08
Volume
284.2K
Amplitude
4.15%
P/E
322.2
P/B
3.7
Revenue YoY (TTM)
+18.7%
52W 233.36 500.57

Is Littelfuse, Inc. a buy? Fundamentals and valuation first

As of 2026-10-30

Momentum: Good, Risk / liquidity: Good; Valuation: Pricey.

Valuation Pricey Free-cash-flow yield is Good, but TTM P/E is Expensive.
TTM P/E 322.2 98th percentile Expensive
Price / book 3.67 76th percentile Pricey
Free-cash-flow yield (%) 5.28 68th percentile Good
US Stock Backtest in Python: Price-to-Book Ratio StrategyQuality Factor Investing: A US Quality Value Backtest
Quality Neutral FCF margin, TTM is Good, but ROE, TTM is Average.
ROE, TTM (%) 1.39 43th percentile Average
Operating margin, TTM (%) 5.49 47th percentile Average
FCF margin, TTM (%) 19.12 75th percentile Good
Quality Factor Investing: A US Quality Value Backtest
Growth Neutral Revenue growth, TTM YoY is Good, but Diluted EPS growth, TTM YoY is Average.
Revenue growth, TTM YoY (%) 18.72 73th percentile Good
Diluted EPS growth, TTM YoY (%) -76.76 27th percentile Average
Momentum Good 240-day return is Top, but 60-day return is Average.
60-day return (%) -14.24 35th percentile Average
240-day return (%) 64.78 91th percentile Top
Momentum Trading Strategy: A 12-1 Momentum Backtest
Risk / liquidity Good 20-day dollar volume is Top, but 60-day annualized volatility is Average.
20-day dollar volume 106,684,276 88th percentile Top
60-day annualized volatility (%) 46.44 52th percentile Average
Factor Investing Explained: 10 Classic Factors in US Stocks

Littelfuse, Inc. (LFUS) today

2 quant signals active · As of 2026-10-30

Win rate and excess are historical post-trigger stats vs the market. Click a signal for its full definition and samples; history does not predict future results.

FinLab Studio

From Littelfuse, Inc. to every stock like it

AI finds several complementary traits of Littelfuse, Inc. across different dimensions, combines them into a multifactor strategy, and backtests it against the market.

Screen stocks like Littelfuse, Inc.

Littelfuse, Inc. (LFUS) peers and tracking

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Littelfuse, Inc. (LFUS) quant signal backtests

Signals active now

Each active condition is tested against this stock’s own history and benchmarked versus the S&P 500.

Filed revenue acceleration

Active · now 18.72%

TTM revenue growth is at least 10% and improved versus the prior filed quarter; event date is the SEC filing date.

6 historical occurrences (since 2021-07-28)

Average forward return after Filed revenue acceleration

20-day: Win 100%, Sample 5, Median +8.43%, Excess +3.66%, Beat mkt rate 60%

60-day: Win 60%, Sample 5, Median +0.97%, Excess +0.46%, Beat mkt rate 60%

60 days after: historical avg +0.4%

20-day +6.71%
60-day +0.4%
20-day
60-day
Win
100%
60%
Sample
5
5
Median
+8.43%
+0.97%
Excess
+3.66%
+0.46%
Beat mkt rate
60%
60%

Over 5 occurrences, 60-day forward avg gained 0.4%, beat the market by 0.46 pts; win rate 60%.

EPS surprise beat

Active · now 16.5%

Reported EPS beat consensus estimate by at least 5%; event date is the earnings-surprise timestamp.

PEAD: Post-Earnings Announcement Drift Backtest
28 historical occurrences (since 2015-10-28)

Average forward return after EPS surprise beat

20-day: Win 69.2%, Sample 26, Median +4.17%, Excess +2.19%, Beat mkt rate 57.7%

60-day: Win 65.4%, Sample 26, Median +4.91%, Excess +0.18%, Beat mkt rate 42.3%

120-day: Win 52%, Sample 25, Median +3.18%, Excess +1.64%, Beat mkt rate 48%

120 days after: historical avg +7.01%

20-day +4.47%
60-day +4.85%
120-day +7.01%
20-day
60-day
120-day
Win
69.2%
65.4%
52%
Sample
26
26
25
Median
+4.17%
+4.91%
+3.18%
Excess
+2.19%
+0.18%
+1.64%
Beat mkt rate
57.7%
42.3%
48%

Over 25 occurrences, 120-day forward avg gained 7.01%, beat the market by 1.64 pts; win rate 52%.

Valuation regime and forward returns

Daily TTM P/E is converted into an expanding own-history percentile, then grouped into five valuation regimes. Forward returns use adjusted prices over the next 240 trading days.

PE percentile bandSample days240-day avg returnMedianWin rateAvg excess (vs index)
0-20 541+0.5% +1% 52.3% -9%
20-40 142-11.7% -9.1% 6.3% -25.8%
40-60 165-0.8% -4.6% 40.6% -7.1%
60-80 118+4.7% +2.1% 66.9% -10%
80-100 You are here3Insufficient data

Quarterly EPS is aligned by SEC filing date before it is forward-filled to daily prices. The expanding percentile uses only information available up to each day.

Current TTM P/E is about 322.20, placing it in the 99.9 own-history percentile, inside the 80-100 bucket.

More history: Valuation × momentum analogs, Market-wide momentum baseline, Signals not active now

Valuation × momentum analogs

Each historical day is grouped by own-history P/E tercile and 60-day momentum direction, then tested for the next 120-trading-day adjusted return.

Valuation
Momentum
Cheap (own-history bottom third)
Middle
Expensive (own-history top third)
60-day momentum up
-3.5%
Win rate 31.6% Excess -6.3%
364d
-6.5%
Win rate 15.3% Excess -14.7%
98d
+7.8%
Win rate 63.5% Excess +0.4%
104d
60-day momentum down
+2.6%
Win rate 54.3% Excess -2.2%
304d
+8.8%
Win rate 64.7% Excess +1.8%
136d
Now
+16.9%
Win rate 68.7% Excess +4.7%
83d

Currently in “Expensive (own-history top third) × 60-day momentum down”: across 83 historical days, 120-day forward avg gained 16.9%, win rate 68.7%, beat the market by 4.7%.

Days = trading days in this bucket; returns use adjusted prices, ex-costs. 60-day momentum: direction of this stock's price over the past 60 trading days.

Market-wide momentum baseline

Across 99,493 liquid US common-stock samples, top-quintile 6-month momentum was followed by an average 60-trading-day return of +6.42%, a 58.4% positive-return rate, and +3.08 percentage points of average excess return versus the S&P 500.

Baseline: weekly samples since 2016 where a liquid US common stock ranked in the top quintile by 126-trading-day momentum. Forward return is 60 trading days; excess return is versus S&P 500 (^GSPC).

Signals not active now

Inactive signals still show the stock-specific historical forward-return distribution for context.

52-week adjusted-price high

Pending

Adjusted close first reaches a 252-trading-day high; repeated hits within 20 days count once.

18 times historically; 60-day forward avg +8%, win rate 72.2%, beating the market by +5.33 pts on average.

Top-quintile 6-month momentum

Pending

The stock ranks in the top 20% of the liquid US common-stock universe by 126-day adjusted return.

Momentum Trading Strategy: A 12-1 Momentum Backtest

14 times historically; 60-day forward avg +3.27%, win rate 75%, beating the market by -1.43 pts on average.

Method and limits

  • Returns use us_price:adj_close, adjusted for splits and dividends where available.
  • Excess returns use world_index:^GSPC as the S&P 500 benchmark proxy.
  • Quarterly fundamentals are aligned to SEC filing dates before daily valuation studies.
  • The promoted universe starts from active NYSE/NASDAQ common stocks, then applies price and dollar-volume gates.
  • Snapshot-only tables such as analyst consensus, DCF, us_ratios, and us_key_metrics are intentionally excluded from historical evidence.
  • Overlapping event windows are descriptive distributions, not independent samples.

This page is for historical data analysis and education only. It is not investment advice. Backtests and historical return distributions do not predict future performance; evaluate risk independently before trading.