Range Low Price High Price Comment
30 days $42.45 $51.37 Monday, 13th Jul 2026 SUPN stock ended at $47.35. This is 2.29% less than the trading day before Friday, 10th Jul 2026. During the day the stock fluctuated 2.84% from a day low at $46.91 to a day high of $48.24.
90 days $42.45 $52.96
52 weeks $32.20 $59.68

Historical Supernus Pharmaceuticals prices

Date Open High Low Close Volume
Jul 13, 2026 $47.90 $48.24 $46.91 $47.35 667 488
Jul 10, 2026 $48.80 $48.80 $47.41 $48.46 1 106 896
Jul 09, 2026 $50.70 $51.37 $47.88 $48.75 1 258 211
Jul 08, 2026 $47.85 $50.60 $47.55 $50.44 1 350 854
Jul 07, 2026 $47.73 $48.33 $47.04 $47.94 1 017 345
Jul 06, 2026 $47.54 $48.12 $46.76 $47.24 842 958
Jul 02, 2026 $47.49 $48.11 $47.14 $48.05 943 432
Jul 01, 2026 $46.98 $47.53 $45.99 $47.41 885 299
Jun 30, 2026 $46.64 $47.08 $46.16 $46.51 679 966
Jun 29, 2026 $46.77 $46.84 $46.27 $46.80 806 650
Jun 26, 2026 $44.75 $47.13 $44.75 $46.84 3 338 838
Jun 25, 2026 $44.94 $45.46 $44.49 $44.75 697 624
Jun 24, 2026 $44.55 $45.50 $44.12 $45.14 759 700
Jun 23, 2026 $44.69 $45.50 $44.44 $44.48 544 634
Jun 22, 2026 $44.50 $45.00 $44.09 $44.48 513 750
Jun 18, 2026 $44.07 $44.55 $43.62 $44.38 902 835
Jun 17, 2026 $43.37 $44.01 $42.50 $43.58 523 425
Jun 16, 2026 $44.09 $44.20 $42.45 $43.58 690 960
Jun 15, 2026 $43.99 $44.44 $42.74 $43.86 818 284
Jun 12, 2026 $45.71 $45.71 $44.21 $44.41 819 533
Jun 11, 2026 $45.06 $45.88 $44.41 $45.55 464 103
Jun 10, 2026 $45.72 $46.47 $44.98 $45.09 367 887
Jun 09, 2026 $44.86 $45.79 $44.70 $45.66 358 906
Jun 08, 2026 $44.94 $45.59 $44.34 $44.48 412 078
Jun 05, 2026 $45.05 $45.73 $44.60 $44.75 574 100

FAQ

What are historical stock prices?
Historical stock prices refer to a stock’s recorded prices at various past points. These prices include several key figures that help investors and analysts evaluate a stock’s performance over time:
Open: Open price for the trading day.
High: Highest price for the trading day.
Low: Lowest price for the trading day.
Close: Close price for the trading day.

Additionally, historical prices often include:
Volume is the number of shares traded during the day. It indicates how actively a stock was traded and can provide insights into market sentiment and liquidity.

How can I use SUPN stock historical prices to predict future price movements?
Trend Analysis: Examine the SUPN stock’s historical trends to identify patterns that might continue.
Moving Averages: Use moving averages to detect potential reversal points.
Momentum Indicators: Apply indicators like RSI or MACD to assess the momentum and strength of price movements.
Volume Analysis: Analyze trading volume alongside price changes to gauge trend strength.
Statistical Methods: Use statistical tools such as regression analysis to model and forecast future prices based on past data.
These techniques can provide insights but should be used with risk management practices to mitigate potential losses.

What impact do stock splits have on historical price data?
When a company performs a stock split, it adjusts the historical price data to reflect the new, lower trading price as if it had always been that way.

This ensures consistency for anyone analyzing the stock’s past prices. The adjustment helps prevent misleading signals on charts, such as false sell signals or bearish trends that aren’t there. For instance, in a 2-for-1 stock split, the price per share is cut in half, which would otherwise appear as a dramatic drop on the chart. If someone didn’t know about the split, they might wrongly think something negative happened to the company. Most technical indicators would also react to this apparent drop by signaling to sell.

A stock split, while making the shares seem more affordable and potentially more attractive to investors, doesn’t alter the company’s fundamental value.

Why do the SUPN stock historical prices show a range for periods like 30 days, 90 days, and 52 weeks?
The range provides the lowest and highest prices at which the stock has traded during the specified period. This helps investors understand the stock’s volatility and price variability within that timeframe.

How can I use historical price volatility to assess risk?
High price volatility historically indicates higher risk and potentially higher returns. Investors can gauge the stock’s risk level by examining the range between high and low prices over various periods.
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ABOUT SUPERNUS PHARMACEUTICALS
Supernus Pharmaceuticals
Supernus Pharmaceuticals, Inc., a biopharmaceutical company, focuses on the development and commercialization of products for the treatment of central nervous system (CNS) diseases in the United States. Its commercial products are Trokendi XR, an extended release topiramate product indicated for the treatment of epilepsy, as well as for the prophylaxis of migraine headache; and Oxtellar XR, an extended release oxcarbazepine for the monotherapy tr...
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