Ambarella, Inc.

AMBA stock score: 45/100

$66.00 · +4.40% · Scored Oct 21, 2026

Technical
44
Fundamental
46
News
48

The reading

Ambarella (AMBA) scores 45 out of 100, which reads weak, higher than 29% of Technology stocks and 30% of the 4,166 US stocks we score.

The composite is technicals and fundamentals weighted equally: technicals read 44, fundamentals 46.

Among the fundamentals, Fund Ownership at 100 and Institutional Ownership at 100 score highest, while Fair Value at 0 weighs the most against it.

On the daily chart, trend-following indicators average 42 and contrarian oscillators 55.

News sentiment is neutral at 48; it is shown, not counted in the composite.

Since Jul 25, 2026 the composite has ranged from 39 to 69, and it is up 1 point over the period.

What’s driving the score

The strongest and weakest of the scorers that count toward AMBA’s composite. Each returns 0–100, higher is more bullish — including metrics where low is good, like P/E.

Fundamental

46

Pulling it up

  • Fund Ownership100

    Fund ownership tracks institutional investor holdings and changes.

  • Institutional Ownership100

    Institutional ownership measures the percentage held by professional investors.

  • Price Target98

    Price target score compares the current stock price to analyst consensus targets.

Holding it back

  • Fair Value0

    Fair value score synthesizes multiple valuation methods (DCF, P/E, P/B, P/S) to estimate intrinsic worth.

  • Forward P/E4

    Forward P/E ratio uses estimated future earnings to calculate valuation.

  • Earnings Quality (Annual)7

    Earnings Quality (Annual) assesses absolute profitability independent of growth, measuring whether the company is profitable, its earnings yield (earnings/market cap), profit margins, and consistency.

40 weighted scorers; 1 had no data today and are left out rather than counted as zero.

Technical · daily

41

Pulling it up

  • Candlestick Patterns100

    Candlestick patterns recognize specific price formations that historically suggest continuation or reversal.

  • SMA 584

    Simple Moving Average (5-period) tracks the average price over the last 5 periods.

  • ADX (14)79

    Average Directional Index (ADX) measures trend strength regardless of direction.

Holding it back

  • Ichimoku Cloud10

    Ichimoku Cloud is a comprehensive indicator showing support/resistance, trend direction, and momentum.

  • S&P 500 52W Comparison11

    S&P 500 52-week comparison evaluates the stock's annual performance relative to the broader market.

  • SMA 100 Cross Up14

    SMA 100 Cross Up identifies when shorter averages cross above the 100-period SMA.

62 weighted scorers; 3 had no data today and are left out rather than counted as zero.

News · shown, not counted

Global News
48

Technical score by timeframe

ChartScoreWeight
Hourly611
Daily413
Weekly372
Monthly452
Quarterly472

Composite score, last 90 days

05010045Jul 25, 2026Oct 21, 2026Jul 25, 2026: 44Jul 26, 2026: 44Jul 27, 2026: 61Jul 28, 2026: 62Jul 29, 2026: 64Jul 30, 2026: 67Jul 31, 2026: 69Aug 2, 2026: 55Aug 3, 2026: 57Aug 5, 2026: 56Aug 6, 2026: 57Aug 7, 2026: 58Aug 8, 2026: 58Aug 9, 2026: 58Aug 10, 2026: 57Aug 11, 2026: 56Aug 12, 2026: 57Aug 13, 2026: 56Aug 14, 2026: 56Aug 15, 2026: 56Aug 16, 2026: 56Aug 17, 2026: 55Aug 18, 2026: 53Aug 19, 2026: 53Aug 20, 2026: 51Aug 22, 2026: 50Aug 23, 2026: 50Aug 24, 2026: 47Aug 25, 2026: 48Aug 26, 2026: 48Aug 27, 2026: 49Aug 28, 2026: 47Aug 29, 2026: 48Aug 30, 2026: 48Aug 31, 2026: 46Sep 1, 2026: 43Sep 2, 2026: 43Sep 3, 2026: 39Sep 4, 2026: 40Sep 5, 2026: 40Sep 6, 2026: 40Sep 7, 2026: 40Sep 8, 2026: 41Sep 9, 2026: 45Sep 10, 2026: 44Sep 11, 2026: 45Sep 12, 2026: 45Sep 13, 2026: 45Sep 14, 2026: 40Sep 15, 2026: 41Sep 16, 2026: 40Sep 17, 2026: 44Sep 18, 2026: 44Sep 19, 2026: 44Sep 20, 2026: 44Sep 21, 2026: 47Sep 22, 2026: 46Sep 23, 2026: 47Sep 24, 2026: 49Sep 25, 2026: 53Sep 26, 2026: 53Sep 27, 2026: 53Sep 28, 2026: 49Sep 29, 2026: 47Sep 30, 2026: 47Oct 1, 2026: 48Oct 2, 2026: 48Oct 3, 2026: 49Oct 4, 2026: 49Oct 5, 2026: 46Oct 6, 2026: 46Oct 7, 2026: 42Oct 8, 2026: 40Oct 9, 2026: 44Oct 10, 2026: 44Oct 11, 2026: 44Oct 12, 2026: 42Oct 13, 2026: 41Oct 14, 2026: 39Oct 15, 2026: 40Oct 16, 2026: 40Oct 17, 2026: 39Oct 18, 2026: 39Oct 19, 2026: 41Oct 20, 2026: 42Oct 21, 2026: 45
Show the daily numbers
DateComposite
Oct 21, 202645
Oct 20, 202642
Oct 19, 202641
Oct 18, 202639
Oct 17, 202639
Oct 16, 202640
Oct 15, 202640
Oct 14, 202639
Oct 13, 202641
Oct 12, 202642
Oct 11, 202644
Oct 10, 202644
Oct 9, 202644
Oct 8, 202640
Oct 7, 202642
Oct 6, 202646
Oct 5, 202646
Oct 4, 202649
Oct 3, 202649
Oct 2, 202648
Oct 1, 202648
Sep 30, 202647
Sep 29, 202647
Sep 28, 202649
Sep 27, 202653
Sep 26, 202653
Sep 25, 202653
Sep 24, 202649
Sep 23, 202647
Sep 22, 202646
Sep 21, 202647
Sep 20, 202644
Sep 19, 202644
Sep 18, 202644
Sep 17, 202644
Sep 16, 202640
Sep 15, 202641
Sep 14, 202640
Sep 13, 202645
Sep 12, 202645
Sep 11, 202645
Sep 10, 202644
Sep 9, 202645
Sep 8, 202641
Sep 7, 202640
Sep 6, 202640
Sep 5, 202640
Sep 4, 202640
Sep 3, 202639
Sep 2, 202643
Sep 1, 202643
Aug 31, 202646
Aug 30, 202648
Aug 29, 202648
Aug 28, 202647
Aug 27, 202649
Aug 26, 202648
Aug 25, 202648
Aug 24, 202647
Aug 23, 202650
Aug 22, 202650
Aug 20, 202651
Aug 19, 202653
Aug 18, 202653
Aug 17, 202655
Aug 16, 202656
Aug 15, 202656
Aug 14, 202656
Aug 13, 202656
Aug 12, 202657
Aug 11, 202656
Aug 10, 202657
Aug 9, 202658
Aug 8, 202658
Aug 7, 202658
Aug 6, 202657
Aug 5, 202656
Aug 3, 202657
Aug 2, 202655
Jul 31, 202669
Jul 30, 202667
Jul 29, 202664
Jul 28, 202662
Jul 27, 202661
Jul 26, 202644
Jul 25, 202644

Key facts

Market cap
$2.9B
Sector
Technology
Industry
Semiconductor Equipment & Materials
Beta
2.38
Risk grade (1–10)
4
Next earnings
Dec 1, 2026

Semiconductor Equipment & Materials peers

CompanyMarket capScore
ACMR ACM Research$3.8B57
ACLS Axcelis Technologies$3.6B54
IPGP IPG Photonics$3.1B43
VECO Veeco Instruments$2.8B55
COHU Cohu$2.6B53
UCTT Ultra Clean$2.4B49

Questions

What is AMBA's stock score today?

AMBA scores 45/100 (Weak) as of Oct 21, 2026: technical 44, fundamental 46, and news sentiment 48, which is shown but not counted. Scores are recomputed every night.

Is AMBA a buy?

The score is not a buy or sell recommendation. A 45 says the technical and fundamental signals we measure lean weak today, relative to every other stock scored the same way. Use the breakdown above to see why, and treat it as a starting point for your own research.

How is the AMBA score calculated?

102 weighted scorers feed it today: 40 fundamental, scored against Technology ranges, and 62 technical on the daily chart, with 5 timeframes blended into the technical total. Every scorer returns 0–100; missing data is left out, never counted as zero.

Scores are information, not investment advice. Computed from Yahoo Finance, Finnhub and Alpha Vantage data; technical indicators via TA-Lib. Past scores do not predict future returns.