Supernus Pharmaceuticals, Inc. (SUPN) Stock Chart
SUPN 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
SUPN performance vs the market
Total return, dividends reinvestedSUPN monthly returns
SUPN historical prices
SUPN dividends & splits
About the SUPN chart
Supernus Pharmaceuticals (SUPN) closed at $37.88 on October 16, 2026, down 23.8% so far this year. The stock is trading 20.7% below its 200-day moving average of $47.76, which technical analysts usually read as a long-term downtrend. Over the past year SUPN returned −23.9% including dividends, behind the S&P 500 (+16.8%).
This page charts the full trading history of Supernus Pharmaceuticals, 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 SUPN stock overview.
SUPN chart FAQ
What is Supernus Pharmaceuticals's all-time high stock price?
The highest closing price for SUPN was $59.85 on June 29, 2018 (adjusted for stock splits). As of the October 16, 2026 close it traded 36.7% below that level.
What is the 52-week range of SUPN stock?
Over the 52 weeks to October 16, 2026, SUPN traded between an intraday low of $37.54 on October 16, 2026 and an intraday high of $59.68 on February 25, 2026.
Is SUPN above its 200-day moving average?
No. On October 16, 2026 SUPN closed at $37.88, 20.7% below its 200-day simple moving average of $47.76. The 50-day average was $43.83.
How has SUPN stock performed compared with the S&P 500?
Including reinvested dividends, SUPN returned −23.9% over the past year, compared with +16.8% for the S&P 500 (SPY). Over five years the figures were +19.6% and +83.0%.
Does Supernus Pharmaceuticals pay a dividend?
Supernus Pharmaceuticals has not paid a dividend in the past 12 months.
How do I read the SUPN 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 SUPN against the S&P 500, its sector or a competitor as a percentage change. Chart prices are adjusted for splits and dividends.