Ardelyx, Inc. (ARDX) Stock Chart
ARDX price chart
Daily prices adjusted for splits and dividends. 1D and 5D show delayed intraday prices. Markers: E earnings, D dividend, S split.
Technical snapshot
Key levels & statistics
ARDX performance vs the market
Total return, dividends reinvestedARDX monthly returns
ARDX historical prices
ARDX dividends & splits
About the ARDX chart
Ardelyx (ARDX) closed at $3.09 on October 16, 2026, down 47.0% so far this year. The stock is trading 43.9% below its 200-day moving average of $5.51, which technical analysts usually read as a long-term downtrend. Over the past year ARDX returned −38.8% including dividends, behind the S&P 500 (+16.8%).
This page charts the full trading history of Ardelyx, Inc. stock. Daily prices come from EODHD and are adjusted for stock splits and dividends, so returns over long periods are comparable. For the latest quote, company profile, earnings and news, see the ARDX stock overview.
ARDX chart FAQ
What is Ardelyx's all-time high stock price?
The highest closing price for ARDX was $32.89 on December 3, 2014 (adjusted for stock splits). As of the October 16, 2026 close it traded 90.6% below that level.
What is the 52-week range of ARDX stock?
Over the 52 weeks to October 16, 2026, ARDX traded between an intraday low of $3.06 on October 14, 2026 and an intraday high of $8.40 on January 23, 2026.
Is ARDX above its 200-day moving average?
No. On October 16, 2026 ARDX closed at $3.09, 43.9% below its 200-day simple moving average of $5.51. The 50-day average was $3.60.
How has ARDX stock performed compared with the S&P 500?
Including reinvested dividends, ARDX returned −38.8% over the past year, compared with +16.8% for the S&P 500 (SPY). Over five years the figures were +186.1% and +83.0%.
Does Ardelyx pay a dividend?
Ardelyx has not paid a dividend in the past 12 months.
Has ARDX stock ever split?
ARDX has split its stock 1 time: 4:1 (July 20, 2021). Prices on this chart are adjusted for all splits.
How do I read the ARDX chart?
Pick a time range above the chart and choose candlesticks, a line or an area chart. Moving averages, Bollinger Bands, volume, RSI and MACD can be switched on with the indicator buttons, and "Compare" plots ARDX against the S&P 500, its sector or a competitor as a percentage change. Chart prices are adjusted for splits and dividends.