$197.19
-2.52 (-1.26%)
At Close: Jun 23, 2026
| Range | Low Price | High Price | Comment |
|---|---|---|---|
| 30 days | $185.00 | $203.45 | Tuesday, 23rd Jun 2026 BIIB stock ended at $197.19. This is 1.26% less than the trading day before Monday, 22nd Jun 2026. During the day the stock fluctuated 2.11% from a day low at $197.06 to a day high of $201.22. |
| 90 days | $168.64 | $205.97 | |
| 52 weeks | $121.06 | $205.97 |
Historical Biogen Inc. prices
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Jun 23, 2026 | $199.82 | $201.22 | $197.06 | $197.19 | 992 996 |
| Jun 22, 2026 | $199.15 | $200.98 | $194.74 | $199.71 | 1 573 407 |
| Jun 18, 2026 | $200.22 | $200.99 | $193.20 | $196.58 | 1 452 691 |
| Jun 17, 2026 | $195.14 | $201.75 | $194.04 | $198.67 | 972 250 |
| Jun 16, 2026 | $199.69 | $200.26 | $194.04 | $195.61 | 847 799 |
| Jun 15, 2026 | $198.37 | $199.37 | $195.89 | $198.64 | 800 554 |
| Jun 12, 2026 | $201.29 | $203.45 | $198.97 | $200.05 | 837 286 |
| Jun 11, 2026 | $195.49 | $201.17 | $194.24 | $199.96 | 888 886 |
| Jun 10, 2026 | $201.76 | $201.94 | $194.11 | $194.24 | 1 057 808 |
| Jun 09, 2026 | $195.51 | $199.55 | $193.56 | $199.10 | 922 061 |
| Jun 08, 2026 | $197.25 | $198.69 | $192.18 | $192.62 | 1 009 876 |
| Jun 05, 2026 | $196.45 | $200.66 | $195.23 | $195.34 | 854 112 |
| Jun 04, 2026 | $198.00 | $199.90 | $196.35 | $196.45 | 719 127 |
| Jun 03, 2026 | $187.69 | $196.36 | $187.48 | $195.96 | 891 412 |
| Jun 02, 2026 | $190.00 | $190.58 | $185.00 | $188.83 | 599 601 |
| Jun 01, 2026 | $193.43 | $195.28 | $191.67 | $192.23 | 812 616 |
| May 29, 2026 | $196.75 | $198.46 | $195.11 | $196.00 | 826 766 |
| May 28, 2026 | $198.12 | $198.12 | $194.50 | $196.39 | 536 194 |
| May 27, 2026 | $194.11 | $199.80 | $194.11 | $196.97 | 877 968 |
| May 26, 2026 | $194.30 | $195.50 | $192.27 | $193.08 | 854 485 |
| May 22, 2026 | $190.52 | $194.75 | $190.01 | $193.76 | 795 597 |
| May 21, 2026 | $187.40 | $190.27 | $185.85 | $189.47 | 1 450 575 |
| May 20, 2026 | $191.41 | $193.38 | $186.37 | $187.80 | 919 583 |
| May 19, 2026 | $191.65 | $193.03 | $188.64 | $190.56 | 1 054 123 |
| May 18, 2026 | $190.56 | $193.37 | $189.19 | $191.91 | 1 035 113 |
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.
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 BIIB stock historical prices to predict future price movements?
Trend Analysis: Examine the BIIB 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.
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.
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 BIIB 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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