Stocks · Healthcare · Biotechnology
Ardelyx, Inc. ARDX
$3.34 -1.18% Close, Oct 2, 2026 · NASDAQ · Market cap $825.1M
Weak trend
Next earnings report: Oct 29, 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
- The stock is 58% below its highest close of the past year.
- The stock is in a downtrend: below its 200-day average, with the 50-day average below the 200-day.
- Over the past year the stock returned -37.7%, behind the S&P 500 by 52.8 percentage points.
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)Top 37%
- Revenue growth, 3-year CAGRTop 8%
- Revenue growth accelerationBottom 37%
Returns on capital, margins, earnings quality and balance-sheet strength.
- Return on invested capitalTop 41%
- Gross marginTop 15%
- Operating marginBottom 49%
- Accruals (lower is better)Top 50%
- Interest coverTop 49%
How cheap the shares are relative to earnings, cash flow and their own history.
- Earnings yieldTop 47%
- Free-cash-flow yieldTop 43%
- EBITDA / enterprise valueTop 44%
- Sales / enterprise valueTop 27%
Strength and persistence of the price trend, including versus the S&P 500.
- 12-month return excluding last monthBottom 18%
- 6-month returnBottom 7%
- 1-year return vs S&P 500Bottom 17%
- Distance from 52-week highBottom 16%
- Trend checklist (0–4)Bottom 14%
Earnings surprises and analyst sentiment (estimate-revision history is being collected).
- Average EPS surprise, last 4 quartersTop 27%
- Consecutive EPS beatsBottom 20%
- Share of analysts rating BuyTop 10%
- Upside to consensus price targetTop 11%
Low volatility, shallow drawdowns, low market sensitivity and modest leverage.
- Volatility, 60 days (lower is better)Top 38%
- Maximum drawdown, 3 yearsTop 44%
- Beta vs S&P 500 (lower is better)Top 27%
What changed
Latest four quarters versus the same period a year earlier (growth: versus one quarter earlier).
| Measure | Before | Now | |
|---|---|---|---|
| Revenue growth (YoY) | 18.2% | 16.8% | ↓ |
| Gross margin | 84.5% | 94.0% | ↑ |
| Operating margin | -10.5% | -7.9% | ↑ |
| FCF margin | -14.3% | -4.0% | ↑ |
Fundamental momentum
| Measure | Now (TTM) | Year / quarter before | Sector rank | |
|---|---|---|---|---|
| Revenue growth (TTM, YoY) | 16.8% | 18.2% | ↓ | Top 37% |
| Gross margin | 94.0% | 84.5% | ↑ | Top 15% |
| Operating margin | -7.9% | -10.5% | ↑ | Bottom 49% |
| Net margin | -12.4% | -14.6% | ↑ | — |
| Free-cash-flow margin | -4.0% | -14.3% | ↑ | — |
| Return on invested capital | -8.0% | — | Top 41% | |
| Revenue growth, 3-year CAGR | 98.4% | — | Top 8% |
Quality of earnings and balance sheet
- Accruals (net income − OCF) / assetsLower is better; high accruals can signal weaker earnings quality.
- -6.7%
- Stock-based compensation / revenueA cost to shareholders through dilution.
- 12.1%
- Receivables growth vs revenue growthReceivables growing much faster than sales can be a warning.
- +43.7 pp
- Interest cover (operating income / interest)How many times operating profit covers interest.
- -1.3×
Shareholder returns
- Dividend yield (dividends paid, TTM)
- 0.00%
- Net buyback yield (TTM)
- -1.27%
- Shareholder yield
- -1.27%
- Share count change, 1 year
- +3.4%
- Share count change, 3-year CAGR
- +4.9%
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 6, 2026).
Earnings and expectations
Earnings momentum
- Consecutive EPS beats
- 0
- Beats in the last 8 reports
- 3 of 8
- Average EPS surprise, last 4
- +17.7%
- Average 2-day reaction, last 8
- -0.5%
- Positive 20 days after report
- 3 of 8
Analysts
- Consensus price target
- $13.00
- Target vs current price
- +289.2%
- Analysts with a rating
- 16
- Share rating Buy or Strong Buy
- 100%
- Consensus rating
- Buy
How the stock reacted to recent reports
| Report date | EPS surprise | 2 days | 5 days | 20 days | 60 days |
|---|---|---|---|---|---|
| Aug 6, 2026 | -7.0% | -0.8% | -19.1% | -22.6% | — |
| Apr 30, 2026 | -15.4% | +5.3% | +18.1% | +4.0% | -15.8% |
| Feb 19, 2026 | +0.0% | +0.3% | -2.4% | -17.4% | -3.9% |
| Oct 30, 2025 | +93.3% | +1.0% | +20.0% | +19.6% | +59.1% |
| Aug 4, 2025 | +38.5% | +1.4% | +20.3% | +46.9% | +17.8% |
| May 1, 2025 | -70.0% | -0.7% | -32.8% | -26.9% | -22.3% |
| Feb 20, 2025 | +0.0% | -10.1% | -19.8% | -15.6% | -46.9% |
| Oct 31, 2024 | +93.1% | -0.3% | +10.2% | -3.4% | -7.0% |
Returns from the close before each report. Past reactions do not determine future ones.
Earnings history
| Report date | EPS | Estimate | Surprise | Revenue |
|---|---|---|---|---|
| Aug 6, 2026 | -$0.07 | -$0.07 | -7.0% | $120.9M |
| Apr 30, 2026 | -$0.15 | -$0.13 | -15.4% | $94.5M |
| Feb 19, 2026 | $0.02 | $0.02 | +0.0% | $125.2M |
| Oct 30, 2025 | -$0.00 | -$0.06 | +93.3% | $110.3M |
| Aug 4, 2025 | -$0.08 | -$0.13 | +38.5% | $97.7M |
| May 1, 2025 | -$0.17 | -$0.10 | -70.0% | $74.1M |
| Feb 20, 2025 | $0.02 | $0.02 | +0.0% | $116.1M |
| Oct 31, 2024 | -$0.00 | -$0.05 | +93.1% | $98.2M |
Valuation in context
| Multiple | Now | 5-year median | 5-year percentile | Sector rank (cheapness) |
|---|---|---|---|---|
| EV / Sales | 2.18× | — | — | Top 27% |
| Free-cash-flow yield | -2.17% | — | — | Top 43% |
| Earnings yield | -6.76% | — | — | Top 47% |
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
- 0
- 50-day average slope (20 days)
- -15.2%
- 200-day average slope (20 days)
- -3.9%
- Distance from 50-day average
- -15.5%
- Distance from 200-day average
- -40.7%
- RSI (14)
- 31.0
- Relative volume
- 0.98×
Risk and drawdowns
- Volatility, 60 days (annualized)
- 49.0%
- Volatility vs own 5-year history
- 8th percentile · Low for this stock
- Beta vs S&P 500 (2 years, weekly)
- 0.70
- Correlation with S&P 500
- 0.18
- Current drawdown from 1-year high
- -58.2%
- Maximum drawdown, 3 years
- -66.3%
Largest declines in the past six years
| From peak | To low | Decline | Length | Recovery |
|---|---|---|---|---|
| Apr 28, 2021 | Jun 14, 2022 | -77.3% | 285 days | 133 days (Dec 22, 2022) |
| Feb 9, 2024 | May 14, 2025 | -66.3% | 315 days | Not yet recovered |
| Apr 21, 2023 | May 30, 2023 | -34.8% | 26 days | 130 days (Dec 4, 2023) |
| Jan 25, 2021 | Mar 29, 2021 | -20.3% | 44 days | 7 days (Apr 8, 2021) |
| Jan 17, 2023 | Jan 19, 2023 | -16.9% | 2 days | 13 days (Feb 7, 2023) |
Declines of 10% or more from a closing high, measured on daily closes.
Financial statements
- Market cap
- $825.1M
- EPS, diluted (TTM)
- -$0.23
- Revenue (TTM)
- $450.9M
- 52-week range
- $3.29 – $8.40
| FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 | |
|---|---|---|---|---|---|
| Revenue | $10.1M | $52.2M | $124.5M | $333.6M | $407.3M |
| Gross profit | $9.1M | $48.0M | $106.7M | $283.1M | $364.7M |
| Operating income | -$154.3M | -$63.8M | -$63.3M | -$27.9M | -$41.0M |
| Net income | -$158.2M | -$67.2M | -$66.1M | -$39.1M | -$61.6M |
| EPS (diluted) | -$1.52 | -$0.42 | -$0.30 | -$0.17 | -$0.26 |
| Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 | Q1 2026 | Q2 2026 | |
|---|---|---|---|---|---|---|---|---|
| Revenue | $98.2M | $116.1M | $74.1M | $97.7M | $110.3M | $125.2M | $94.5M | $120.9M |
| Net income | -$809,000 | $4.6M | -$41.1M | -$19.1M | -$969,000 | -$407,000 | -$37.6M | -$16.7M |
| EPS (diluted) | -$0.00 | $0.02 | -$0.17 | -$0.08 | -$0.00 | -$0.00 | -$0.15 | -$0.07 |
| FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 | |
|---|---|---|---|---|---|
| Operating cash flow | -$152.6M | -$70.0M | -$89.7M | -$44.8M | -$42.5M |
| Capital expenditure | -$1.9M | -$55,000 | -$344,000 | -$1.0M | -$1.5M |
| Free cash flow | -$154.4M | -$70.1M | -$90.1M | -$45.8M | -$44.0M |
| Dividends paid | $0 | $0 | $0 | $0 | $0 |
| Net share buybacks | $101.1M | $71.6M | $119.2M | $8.1M | $5.8M |
Cash outflows are shown as negative numbers.
- Cash and short-term investments
- $281.8M
- Total assets
- $575.9M
- Total liabilities
- $426.9M
- Total debt
- $256.2M
- Net debt
- $159.0M
- Shareholders’ equity
- $149.0M
As of Jun 30, 2026 (filed Aug 6, 2026).
Short interest
- Shares sold short
- 25,602,541
- Days to cover
- 6.34
- Change vs previous report
- +12.7%
FINRA short interest, settlement date Sep 15, 2026.
Stock splits
- Jul 20, 2021
- 4-for-1