Ardelyx, Inc. (ARDX) stock

ARDXNasdaqPharmaceutical PreparationsFiscal year ends December 31

Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Nov 3, 2026Score 9/3059% below fair value

$3.09−0.03 (-0.96%)

Close on Nov 13, 2026Market cap $769.99MP/E –Yield –

Ardelyx statistics

85 measures from SEC filings and the closing price. Hover a name for the formula; the last column is the median of companies in the same industry group.

Important dates

Next earnings: Feb 18, 2027 (estimated, during market hours)
Last ex-dividend date: No dividends
Fundamentals through: Jun 30, 2026
Share price as of: Nov 13, 2026

Valuation ratiosIndustry

Market Cap: $769.99M; $272.32M
Enterprise Value: $488.16M; $146.23M
PS Ratio: 1.71; 3.66
PB Ratio: 5.17; 2.00
P/TBV Ratio: 5.17; 2.22

Enterprise valuationIndustry

EV / Sales: 1.08; 2.57

Share statisticsIndustry

Shares Outstanding: 249M; 58M
Shares Change (YoY): 2.90%; 10.8%
Shares Change (QoQ): 0.88%; 0.50%
Float: 232M; 49M
Shares Held by Insiders: 6.88%; 11.7%
Shares Held by Institutions: 71.2%; 56.4%

Short sellingIndustry

Short Interest: 29M; –
Short Interest Change: -3.41%; -0.80%
Short % of Float: 12.6%; 9.01%
Short % of Shares Outstanding: 11.7%; 6.30%
Days to Cover: 7.53; 5.15

Stock price statisticsIndustry

52-Week High: $8.40; –
52-Week Low: $2.80; –
20-Day Moving Average: $3.07; –
50-Day Moving Average: $3.28; –
200-Day Moving Average: $5.10; –
Average True Range (14): $0.16; –
Price Change (1 Week): 7.29%; -1.15%
Price Change (1 Month): -5.50%; -4.87%
Price Change (3 Months): -23.9%; -21.0%
Price Change (6 Months): -50.4%; -20.6%
Price Change (YTD): -47.0%; -23.6%
Price Change (1 Year): -48.8%; -22.4%
Price Change (3 Years): -22.4%; -29.5%
Price Change (5 Years): 175.9%; -77.9%
Price Change (10 Years): -80.1%; -65.4%
Average Volume (10 Days): 6M; –
Average Volume (20 Days): 5M; –
Average Volume (90 Days): 4M; –
Relative Volume: 0.55; 0.70
Relative Strength Index (14): 47.4; 43.4
Volatility (1 Year): 58.2%; 80.1%
Beta (5 Years): 0.95; 1.07

MarginsIndustry

Gross Margin: 94.4%; 53.1%
Operating Margin: -7.86%; -38.7%
Pretax Margin: -12.3%; -11.6%
Profit Margin: -12.4%; -31.6%
EBITDA Margin: -7.12%; -27.7%
FCF Margin: -3.97%; -9.56%

Returns on capitalIndustry

Return on Equity (ROE): -38.6%; -49.9%
Return on Assets (ROA): -10.7%; -40.6%
Return on Capital Employed (ROCE): -7.99%; -37.9%

Financial positionIndustry

Current Ratio: 3.34; 3.30
Quick Ratio: 2.89; 2.39
Interest Coverage: -1.60; -6.35

GrowthIndustry

Revenue Growth (YoY): 16.8%; 6.82%
Revenue Growth (3Y CAGR): 98.4%; 2.25%
Revenue Growth (5Y CAGR): 121.9%; 6.41%

EfficiencyIndustry

Asset Turnover: 0.86; 0.40
Inventory Turnover: 0.19; 2.73
Revenue Per Employee: $922.07K; $429.29K
Profits Per Employee: -$113.91K; -$689.41K
Employee Count: 489; 74
WACC: 9.86%; 10.2%

Income statement (TTM)Industry

Revenue: $450.89M; $66.37M
Gross Profit: $425.49M; $120.78M
Operating Income: -$35.45M; -$21.37M
Pretax Income: -$55.48M; -$12.95M
Net Income: -$55.70M; -$22.35M
EBITDA: -$32.11M; -$17.21M
EPS (Diluted): -$0.22; -$0.76

Balance sheetIndustry

Cash & Short-Term Investments: $281.83M; $68.68M
Net Cash (Debt): $281.83M; $17.76M
Net Cash Per Share: $1.13; $0.80
Equity (Book Value): $149.01M; $53.89M
Book Value Per Share: $0.60; $1.50
Tangible Book Value: $149.01M; $27.13M
Working Capital: $309.71M; $79.99M

Cash flow (TTM)Industry

Operating Cash Flow: -$17.32M; -$12.38M
Capital Expenditures: -$599.00K; -$1.00M
Free Cash Flow: -$17.92M; -$18.21M
FCF Per Share: -$0.07; -$0.42

Dividends and yieldsIndustry

Earnings Yield: -7.23%; -21.8%
FCF Yield: -2.33%; -9.44%

Taxes and interestIndustry

Interest Expense: $22.11M; $2.90M
Income Tax: $227.00K; $73.00K

Scores and fair valueIndustry

Altman Z-Score: -0.13; 0.23
Piotroski F-Score: 3; 4
Beneish M-Score: -2.36; -2.63

Total return vs. the S&P 500

Price change plus reinvested dividends, to the close on Nov 13, 2026. The S&P 500 is measured by the SPY fund.

Period	ARDX	S&P 500	Difference	ARDX per year	S&P 500 per year
1 month	-1.0%	-3.0%	+2.1 pts
3 months	-21.0%	-2.8%	−18.2 pts
Year to date	-47.0%	+11.5%	−58.5 pts
1 year	-47.0%	+13.5%	−60.5 pts
3 years	-17.8%	+77.7%	−95.5 pts	-6.3%	+21.1%
5 years	+175.9%	+72.6%	+103.3 pts	+22.5%	+11.5%
10 years	-80.6%	+308.2%	−388.8 pts	-15.1%	+15.1%

Short interest

Shares sold short and not yet covered, reported by brokers to FINRA twice a month. Latest settlement date Oct 30, 2026.

29M ARDX shares were sold short on Oct 30, 2026, down 3.4% from the previous report, or 12.59% of the shares available to trade. At recent volumes it would take 7.5 days to buy them back. Over the last 20 sessions, 47.5% of the volume reported to FINRA was short selling.

Settlement date	Shares short	Change	Avg. daily volume	Days to cover
Oct 30, 2026	29,205,209	-3.4%	3,877,282	7.5
Oct 15, 2026	30,237,216	+9.3%	4,666,346	6.5
Sep 30, 2026	27,676,626	+8.1%	4,193,543	6.6
Sep 15, 2026	25,602,541	+12.7%	4,035,894	6.3
Aug 31, 2026	22,716,201	+1.3%	3,702,478	6.1
Aug 14, 2026	22,433,157	-14.5%	6,766,701	3.3
Jul 31, 2026	26,239,226	-0.0%	2,384,531	11.0
Jul 15, 2026	26,248,733	+3.5%	3,255,473	8.1
Jun 30, 2026	25,366,491	-5.8%	6,281,916	4.0
Jun 15, 2026	26,942,503	+8.7%	3,140,730	8.6
May 29, 2026	24,776,898	+3.9%	2,562,304	9.7
May 15, 2026	23,857,367	+1.2%	5,247,694	4.5