Stocks · Healthcare · Medical - Devices
Pulmonx Corporation LUNG
$1.83 -4.19% Close, Oct 2, 2026 · NASDAQ · Market cap $77.3M
High risk
Next earnings report: Nov 11, 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 -53.0% from -62.9% a year earlier.
- The stock is in an uptrend: above its 200-day average for 46 trading days, with the 50-day average above the 200-day.
- Revenue over the last four quarters was $87.4M, down 3.4% from a year earlier, slowing from 1.2% a quarter earlier.
PromtFinance scores
Each score is a percentile within the Healthcare 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)Bottom 25%
- Revenue growth, 3-year CAGRTop 32%
- Revenue growth accelerationBottom 27%
Returns on capital, margins, earnings quality and balance-sheet strength.
- Return on invested capitalBottom 27%
- Gross marginTop 34%
- Operating marginBottom 35%
- Accruals (lower is better)Top 22%
- Interest coverBottom 31%
How cheap the shares are relative to earnings, cash flow and their own history.
- Earnings yieldBottom 12%
- Free-cash-flow yieldBottom 12%
- EBITDA / enterprise valueBottom 10%
- Sales / enterprise valueTop 8%
Strength and persistence of the price trend, including versus the S&P 500.
- 12-month return excluding last monthTop 40%
- 6-month returnTop 26%
- 1-year return vs S&P 500Bottom 48%
- Distance from 52-week highBottom 44%
- Trend checklist (0–4)Top 39%
Earnings surprises and analyst sentiment (estimate-revision history is being collected).
- Average EPS surprise, last 4 quartersTop 29%
- Consecutive EPS beatsBottom 49%
- Share of analysts rating BuyBottom 12%
- Upside to consensus price targetTop 6%
Low volatility, shallow drawdowns, low market sensitivity and modest leverage.
- Volatility, 60 days (lower is better)Bottom 8%
- Maximum drawdown, 3 yearsBottom 11%
- Beta vs S&P 500 (lower is better)Bottom 33%
What changed
Latest four quarters versus the same period a year earlier (growth: versus one quarter earlier).
| Measure | Before | Now | |
|---|---|---|---|
| Revenue growth (YoY) | 1.2% | -3.4% | ↓ |
| Gross margin | 73.1% | 77.1% | ↑ |
| Operating margin | -62.9% | -53.0% | ↑ |
| FCF margin | -35.4% | -35.1% | ↑ |
Fundamental momentum
| Measure | Now (TTM) | Year / quarter before | Sector rank | |
|---|---|---|---|---|
| Revenue growth (TTM, YoY) | -3.4% | 1.2% | ↓ | Bottom 25% |
| Gross margin | 77.1% | 73.1% | ↑ | Top 34% |
| Operating margin | -53.0% | -62.9% | ↑ | Bottom 35% |
| Net margin | -55.0% | -62.9% | ↑ | — |
| Free-cash-flow margin | -35.1% | -35.4% | ↑ | — |
| Return on invested capital | -48.4% | — | Bottom 27% | |
| Revenue growth, 3-year CAGR | 19.0% | — | Top 32% |
Quality of earnings and balance sheet
- Accruals (net income − OCF) / assetsLower is better; high accruals can signal weaker earnings quality.
- -15.3%
- Stock-based compensation / revenueA cost to shareholders through dilution.
- 10.1%
- Receivables growth vs revenue growthReceivables growing much faster than sales can be a warning.
- -21.9 pp
- Interest cover (operating income / interest)How many times operating profit covers interest.
- -12.3×
Shareholder returns
- Dividend yield (dividends paid, TTM)
- 0.00%
- Net buyback yield (TTM)
- -0.45%
- Shareholder yield
- -0.45%
- Share count change, 1 year
- +5.0%
- Share count change, 3-year CAGR
- +3.7%
Shareholder yield = dividends + net buybacks over the last four quarters, divided by market cap.
Based on the four quarters through Jun 30, 2026 (filed Aug 4, 2026).
Earnings and expectations
Earnings momentum
- Consecutive EPS beats
- 1
- Beats in the last 8 reports
- 7 of 8
- Average EPS surprise, last 4
- +16.3%
- Average 2-day reaction, last 8
- -3.2%
- Positive 20 days after report
- 4 of 8
Analysts
- Consensus price target
- $10.00
- Target vs current price
- +446.4%
- Analysts with a rating
- 9
- Share rating Buy or Strong Buy
- 44%
- Consensus rating
- Buy
How the stock reacted to recent reports
| Report date | EPS surprise | 2 days | 5 days | 20 days | 60 days |
|---|---|---|---|---|---|
| Jul 29, 2026 | +14.3% | +0.0% | +64.8% | +100.0% | — |
| Apr 29, 2026 | +0.0% | -2.4% | +3.3% | +25.2% | -4.9% |
| Mar 4, 2026 | +35.9% | -5.9% | +17.0% | -15.7% | +9.8% |
| Nov 12, 2025 | +15.0% | -6.2% | -33.0% | +17.7% | -26.3% |
| Jul 30, 2025 | +5.0% | +1.9% | -46.9% | -42.7% | -48.2% |
| Apr 30, 2025 | +2.7% | -8.3% | -34.7% | -43.8% | -36.6% |
| Feb 19, 2025 | +26.7% | -5.0% | +24.2% | +14.0% | -53.4% |
| Oct 30, 2024 | +16.3% | +0.3% | +5.0% | -4.6% | -10.6% |
Returns from the close before each report. Past reactions do not determine future ones.
Earnings history
| Report date | EPS | Estimate | Surprise | Revenue |
|---|---|---|---|---|
| Jul 29, 2026 | -$0.24 | -$0.28 | +14.3% | $22.8M |
| Apr 29, 2026 | -$0.33 | -$0.33 | +0.0% | $20.6M |
| Mar 4, 2026 | -$0.25 | -$0.39 | +35.9% | $22.6M |
| Nov 12, 2025 | -$0.34 | -$0.40 | +15.0% | $21.5M |
| Jul 30, 2025 | -$0.38 | -$0.40 | +5.0% | $23.9M |
| Apr 30, 2025 | -$0.36 | -$0.37 | +2.7% | $22.5M |
| Feb 19, 2025 | -$0.33 | -$0.45 | +26.7% | $23.8M |
| Oct 30, 2024 | -$0.36 | -$0.43 | +16.3% | $20.4M |
Valuation in context
| Multiple | Now | 5-year median | 5-year percentile | Sector rank (cheapness) |
|---|---|---|---|---|
| EV / Sales | 0.89× | — | — | Top 8% |
| Free-cash-flow yield | -39.68% | — | — | Bottom 12% |
| Earnings yield | -62.84% | — | — | Bottom 12% |
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
- 46
- 50-day average slope (20 days)
- +12.8%
- 200-day average slope (20 days)
- +0.6%
- Distance from 50-day average
- -10.0%
- Distance from 200-day average
- +8.8%
- RSI (14)
- 39.9
- Relative volume
- 0.66×
Risk and drawdowns
- Volatility, 60 days (annualized)
- 100.2%
- Volatility vs own 5-year history
- 82th percentile · High for this stock
- Beta vs S&P 500 (2 years, weekly)
- 1.44
- Correlation with S&P 500
- 0.23
- Current drawdown from 1-year high
- -29.6%
- Maximum drawdown, 3 years
- -92.0%
Largest declines in the past six years
| From peak | To low | Decline | Length | Recovery |
|---|---|---|---|---|
| Dec 31, 2020 | Mar 27, 2026 | -98.3% | 1314 days | Not yet recovered |
| Nov 27, 2020 | Dec 14, 2020 | -15.3% | 11 days | 5 days (Dec 21, 2020) |
| Oct 20, 2020 | Oct 27, 2020 | -14.1% | 5 days | 20 days (Nov 24, 2020) |
| Oct 7, 2020 | Oct 13, 2020 | -12.2% | 4 days | 4 days (Oct 19, 2020) |
Declines of 10% or more from a closing high, measured on daily closes.
Financial statements
- Market cap
- $77.3M
- EPS, diluted (TTM)
- -$1.15
- Revenue (TTM)
- $87.4M
- 52-week range
- $1.13 – $2.89
| FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 | |
|---|---|---|---|---|---|
| Revenue | $48.4M | $53.7M | $68.7M | $83.8M | $90.5M |
| Gross profit | $35.6M | $39.9M | $50.8M | $62.0M | $67.1M |
| Operating income | -$47.3M | -$58.6M | -$61.9M | -$57.7M | -$53.7M |
| Net income | -$48.7M | -$58.9M | -$60.8M | -$56.4M | -$54.0M |
| EPS (diluted) | -$1.35 | -$1.59 | -$1.60 | -$1.44 | -$1.33 |
| Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 | Q1 2026 | Q2 2026 | |
|---|---|---|---|---|---|---|---|---|
| Revenue | $20.4M | $23.8M | $22.5M | $23.9M | $21.5M | $22.6M | $20.6M | $22.8M |
| Net income | -$14.1M | -$13.2M | -$14.4M | -$15.2M | -$14.0M | -$10.4M | -$13.7M | -$10.1M |
| EPS (diluted) | -$0.36 | -$0.33 | -$0.36 | -$0.38 | -$0.34 | -$0.25 | -$0.33 | -$0.23 |
| FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 | |
|---|---|---|---|---|---|
| Operating cash flow | -$41.4M | -$45.1M | -$37.6M | -$31.5M | -$32.4M |
| Capital expenditure | -$3.7M | -$1.3M | -$807,000 | -$1.4M | -$452,000 |
| Free cash flow | -$45.1M | -$46.5M | -$38.4M | -$33.0M | -$32.9M |
| Dividends paid | $0 | $0 | $0 | $0 | $0 |
| Net share buybacks | $4.5M | $2.6M | $0 | $0 | $1.0M |
Cash outflows are shown as negative numbers.
- Cash and short-term investments
- $55.8M
- Total assets
- $114.7M
- Total liabilities
- $75.5M
- Total debt
- $56.2M
- Net debt
- $368,000
- Shareholders’ equity
- $39.2M
As of Jun 30, 2026 (filed Aug 4, 2026).
Short interest
- Shares sold short
- 847,842
- Days to cover
- 2.51
- Change vs previous report
- -13.2%
FINRA short interest, settlement date Sep 15, 2026.