Stocks · Technology · Semiconductors
Ambarella, Inc. AMBA
$68.65 -2.35% Close, Oct 2, 2026 · NASDAQ · Market cap $3.01B
Next earnings report: Dec 1, 2026
Scroll or pinch to zoom, drag to move. Daily prices adjusted for splits. Markers: E = earnings (green beat, red miss), S = split, D = dividend.
Three things to know
- Operating margin widened to -14.3% from -28.0% a year earlier.
- Earnings beat analyst estimates in each of the last 14 quarters (average surprise over the last four: +19.7%).
- Revenue over the last four quarters was $417.8M, up 20.0% from a year earlier, slowing from 28.1% a quarter earlier.
PromtFinance scores
Each score is a percentile within the Technology sector (0–100). Under each score: how the stock ranks in its sector on every component. As of Oct 5, 2026.
How fast revenue, earnings and cash flow are growing.
- Revenue growth (TTM, YoY)Top 35%
- FCF growth (TTM, YoY)Bottom 8%
- Revenue growth, 3-year CAGRBottom 46%
- Revenue growth accelerationBottom 8%
Returns on capital, margins, earnings quality and balance-sheet strength.
- Return on invested capitalBottom 21%
- Gross marginTop 41%
- Operating marginBottom 22%
- Accruals (lower is better)Top 33%
How cheap the shares are relative to earnings, cash flow and their own history.
- Earnings yieldBottom 30%
- Free-cash-flow yieldBottom 29%
- EBITDA / enterprise valueBottom 22%
- Sales / enterprise valueBottom 32%
Strength and persistence of the price trend, including versus the S&P 500.
- 12-month return excluding last monthBottom 29%
- 6-month returnTop 40%
- 1-year return vs S&P 500Bottom 33%
- Distance from 52-week highTop 48%
- Trend checklist (0–4)Top 44%
Earnings surprises and analyst sentiment (estimate-revision history is being collected).
- Average EPS surprise, last 4 quartersTop 28%
- Consecutive EPS beatsTop 9%
- Share of analysts rating BuyBottom 39%
- Upside to consensus price targetBottom 49%
Low volatility, shallow drawdowns, low market sensitivity and modest leverage.
- Volatility, 60 days (lower is better)Bottom 45%
- Maximum drawdown, 3 yearsTop 29%
- Beta vs S&P 500 (lower is better)Bottom 25%
What changed
Latest four quarters versus the same period a year earlier (growth: versus one quarter earlier).
| Measure | Before | Now | |
|---|---|---|---|
| Revenue growth (YoY) | 28.1% | 20.0% | ↓ |
| Gross margin | 58.7% | 58.3% | ↓ |
| Operating margin | -28.0% | -14.3% | ↑ |
| FCF margin | 13.1% | 2.2% | ↓ |
Fundamental momentum
| Measure | Now (TTM) | Year / quarter before | Sector rank | |
|---|---|---|---|---|
| Revenue growth (TTM, YoY) | 20.0% | 28.1% | ↓ | Top 35% |
| Gross margin | 58.3% | 58.7% | ↓ | Top 41% |
| Operating margin | -14.3% | -28.0% | ↑ | Bottom 22% |
| Net margin | -13.5% | -25.5% | ↑ | — |
| Free-cash-flow margin | 2.2% | 13.1% | ↓ | — |
| Return on invested capital | -9.3% | — | Bottom 21% | |
| Revenue growth, 3-year CAGR | 5.0% | — | Bottom 46% |
Quality of earnings and balance sheet
- Accruals (net income − OCF) / assetsLower is better; high accruals can signal weaker earnings quality.
- -10.7%
- Stock-based compensation / revenueA cost to shareholders through dilution.
- 21.9%
- Receivables growth vs revenue growthReceivables growing much faster than sales can be a warning.
- -32.8 pp
- Net debt / EBITDABelow 1× is conservative; above 3× is high leverage.
- Net cash
Shareholder returns
- Dividend yield (dividends paid, TTM)
- 0.00%
- Net buyback yield (TTM)
- -0.33%
- Shareholder yield
- -0.33%
- Share count change, 1 year
- +3.8%
- Share count change, 3-year CAGR
- +3.5%
Shareholder yield = dividends + net buybacks over the last four quarters, divided by market cap.
Based on the four quarters through Jul 31, 2026 (filed Sep 4, 2026).
Earnings and expectations
Earnings momentum
- Consecutive EPS beats
- 14
- Beats in the last 8 reports
- 8 of 8
- Average EPS surprise, last 4
- +19.7%
- Average 2-day reaction, last 8
- +0.6%
- Positive 20 days after report
- 4 of 8
Analysts
- Consensus price target
- $85.50
- Target vs current price
- +24.5%
- Analysts with a rating
- 36
- Share rating Buy or Strong Buy
- 58%
- Consensus rating
- Buy
How the stock reacted to recent reports
| Report date | EPS surprise | 2 days | 5 days | 20 days | 60 days |
|---|---|---|---|---|---|
| Sep 3, 2026 | +5.3% | -5.6% | +1.1% | +4.7% | — |
| May 28, 2026 | +10.9% | +1.4% | -18.5% | -29.2% | -18.6% |
| Feb 26, 2026 | +30.0% | +0.9% | -19.5% | -23.0% | +19.0% |
| Nov 25, 2025 | +32.8% | +1.6% | -20.6% | -19.6% | -25.1% |
| Aug 28, 2025 | +150.0% | -1.8% | +12.9% | +15.9% | +15.8% |
| May 29, 2025 | +82.6% | -0.6% | -14.2% | +11.1% | +15.3% |
| Feb 26, 2025 | +1200.0% | +3.0% | -24.8% | -24.3% | -13.6% |
| Nov 27, 2024 | +217.5% | +5.9% | +3.9% | +9.8% | +10.8% |
Returns from the close before each report. Past reactions do not determine future ones.
Earnings history
| Report date | EPS | Estimate | Surprise | Revenue |
|---|---|---|---|---|
| Sep 3, 2026 | $0.18 | $0.17 | +5.3% | $108.1M |
| May 28, 2026 | $0.11 | $0.10 | +10.9% | $100.4M |
| Feb 26, 2026 | $0.13 | $0.10 | +30.0% | $100.9M |
| Nov 25, 2025 | $0.27 | $0.20 | +32.8% | $108.5M |
| Aug 28, 2025 | $0.15 | $0.06 | +150.0% | $95.5M |
| May 29, 2025 | $0.07 | $0.04 | +82.6% | $85.9M |
| Feb 26, 2025 | $0.11 | -$0.01 | +1200.0% | $84.0M |
| Nov 27, 2024 | $0.11 | $0.03 | +217.5% | $82.7M |
Valuation in context
| Multiple | Now | 5-year median | 5-year percentile | Sector rank (cheapness) |
|---|---|---|---|---|
| P/E (forward) | 85.4× | — | — | — |
| EV / Sales | 6.99× | — | — | Bottom 32% |
| Free-cash-flow yield | 0.30% | — | — | Bottom 29% |
| Earnings yield | -1.88% | — | — | Bottom 30% |
Technical state
Trend checklist
- ✓ Price above 20-day average
- ✗ Price above 50-day average
- ✓ Price above 200-day average
- ✓ 50-day average above 200-day
- ✓ MACD histogram positive
Trend quality
- Days above the 50-day average
- 0
- Days above the 200-day average
- 7
- 50-day average slope (20 days)
- -2.6%
- 200-day average slope (20 days)
- -1.6%
- Distance from 50-day average
- -4.8%
- Distance from 200-day average
- +0.8%
- RSI (14)
- 49.0
- Relative volume
- 0.67×
Risk and drawdowns
- Volatility, 60 days (annualized)
- 65.6%
- Volatility vs own 5-year history
- 57th percentile · Normal for this stock
- Beta vs S&P 500 (2 years, weekly)
- 2.00
- Correlation with S&P 500
- 0.46
- Current drawdown from 1-year high
- -28.1%
- Maximum drawdown, 3 years
- -51.4%
Largest declines in the past six years
| From peak | To low | Decline | Length | Recovery |
|---|---|---|---|---|
| Dec 8, 2021 | Aug 7, 2024 | -81.7% | 668 days | Not yet recovered |
| Feb 16, 2021 | May 12, 2021 | -34.3% | 60 days | 78 days (Sep 1, 2021) |
| Jan 22, 2021 | Jan 27, 2021 | -17.4% | 3 days | 8 days (Feb 8, 2021) |
| Nov 8, 2021 | Nov 26, 2021 | -15.3% | 13 days | 3 days (Dec 1, 2021) |
| Sep 23, 2021 | Oct 4, 2021 | -11.8% | 7 days | 11 days (Oct 19, 2021) |
Declines of 10% or more from a closing high, measured on daily closes.
Financial statements
- Market cap
- $3.01B
- EPS, diluted (TTM)
- -$1.29
- Revenue (TTM)
- $417.8M
- 52-week range
- $48.30 – $96.69
| FY 2022 | FY 2023 | FY 2024 | FY 2025 | FY 2026 | |
|---|---|---|---|---|---|
| Revenue | $331.9M | $337.6M | $226.5M | $284.9M | $390.7M |
| Gross profit | $208.1M | $208.9M | $136.8M | $167.6M | $226.5M |
| Operating income | -$29.6M | -$74.3M | -$154.6M | -$126.6M | -$82.5M |
| Net income | -$26.4M | -$65.4M | -$169.4M | -$117.1M | -$75.9M |
| EPS (diluted) | -$0.72 | -$1.70 | -$4.25 | -$2.84 | -$1.78 |
| Q3 2025 | Q4 2025 | Q1 2026 | Q2 2026 | Q3 2026 | Q4 2026 | Q1 2027 | Q2 2027 | |
|---|---|---|---|---|---|---|---|---|
| Revenue | $82.7M | $84.0M | $85.9M | $95.5M | $108.5M | $100.9M | $100.4M | $108.1M |
| Net income | -$24.1M | -$20.2M | -$24.3M | -$20.0M | -$15.1M | -$16.4M | -$18.1M | -$6.7M |
| EPS (diluted) | -$0.58 | -$0.48 | -$0.58 | -$0.47 | -$0.35 | -$0.38 | -$0.41 | -$0.15 |
| FY 2022 | FY 2023 | FY 2024 | FY 2025 | FY 2026 | |
|---|---|---|---|---|---|
| Operating cash flow | $38.8M | $44.1M | $19.0M | $33.8M | $73.5M |
| Capital expenditure | -$9.7M | -$15.1M | -$12.0M | -$10.4M | -$15.5M |
| Free cash flow | $29.1M | $29.0M | $7.0M | $23.5M | $58.0M |
| Dividends paid | $0 | $0 | $0 | $0 | $0 |
| Net share buybacks | $15.3M | $10.6M | $10.5M | $13.5M | $10.0M |
Cash outflows are shown as negative numbers.
- Cash and short-term investments
- $272.3M
- Total assets
- $780.2M
- Total liabilities
- $159.9M
- Total debt
- $12.6M
- Net debt
- -$89.2M
- Shareholders’ equity
- $620.3M
As of Jul 31, 2026 (filed Sep 4, 2026).
Short interest
- Shares sold short
- 5,707,297
- Days to cover
- 2.25
- Change vs previous report
- +30.8%
FINRA short interest, settlement date Sep 15, 2026.