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NASDAQ:BIIB

Biogen Short Interest Ratio and Short Volume

$245.87
+1.78 (+0.73 %)
(As of 12/4/2020 12:00 AM ET)
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Compare
Today's Range
$244.10
Now: $245.87
$248.96
50-Day Range
$236.26
MA: $260.17
$355.63
52-Week Range
$223.25
Now: $245.87
$374.99
Volume959,525 shs
Average Volume1.74 million shs
Market Capitalization$37.83 billion
P/E Ratio8.14
Dividend YieldN/A
Beta0.52

Short Interest

Biogen (NASDAQ:BIIB) Short Interest Data

Current Short Volume:3,710,000 shares
Previous Short Volume:3,800,000 shares
Change Vs. Previous Month:-2.37%
Dollar Volume Sold Short:$891.03 million
Short Interest Ratio / Days to Cover:2.0
Last Record Date:November, 15 2020
Outstanding Shares:184,450,000 shares
Float Size:153,610,000 shares
Short Percent of Float:2.42%
Today's Trading Volume:959,525 shares
Average Trading Volume:1,737,389 shares
Today's Volume Vs. Average:-44.77%



Biogen (NASDAQ:BIIB) Short Interest History

DateShares Sold ShortDollar Volume Sold ShortPercentage ChangePercentage FloatDays to CoverPrice on Record Date
11/15/20203,710,000 $891.03 million -2.4%2.4%2.3$240.17
10/30/20203,800,000 $944.64 million 26.3%2.5%2.5$248.59
10/15/20203,010,000 $768.45 million 6.4%2.0%2.6$255.30
9/30/20202,830,000 $824.83 million -23.3%1.8%2.5$291.46
9/15/20203,690,000 $1.01 billion 11.5%2.3%3$273.28
8/31/20203,310,000 $885.86 million 39.1%2.1%2.2$267.63
8/14/20202,380,000 $665.81 million -6.7%1.5%1.6$279.75
7/31/20202,550,000 $737.77 million -8.3%1.6%1.6$289.32
7/15/20202,780,000 $763.64 million -14.7%1.8%1.7$274.69
6/30/20203,260,000 $887.80 million -29.9%2.0%1.8$272.33
6/15/20204,650,000 $1.23 billion 2.7%2.9%2.4$264.59
5/29/20204,530,000 $1.19 billion 1.1%2.8%2.3$263.04
5/15/20204,480,000 $1.38 billion 7.4%2.8%2.2$307.09
4/30/20204,170,000 $1.26 billion 9.5%2.6%2$301.46
4/15/20203,810,000 $1.25 billion 26.6%2.3%1.7$328.01
3/31/20203,010,000 $896.38 million -15.5%1.7%1.4$297.80
3/13/20203,560,900 $1.14 billion 13.4%2.1%1.9$321.05
2/28/20203,140,000 $845.26 million -6.8%1.8%1.8$269.19
2/14/20203,370,000 $1.03 billion 8.4%1.9%1.9$305.63
1/31/20203,110,000 $1.02 billion -13.6%1.8%1.7$327.45
1/15/20203,600,000 $1.20 billion -16.9%2.0%2$332.29
12/31/20194,330,000 $1.20 billion 3.3%2.4%2$278.14
8/15/20194,118,800 $921.62 million 8.7%2.1%2.6$223.76

Biogen (NASDAQ:BIIB) Short Interest FAQ

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What is Biogen's current short interest?

Short interest is the volume of Biogen shares that have been sold short but have not yet been covered or closed out. As of November 15th, traders have sold 3,710,000 shares of BIIB short. 2.42% of Biogen's shares are currently sold short. View details.

What is a good short interest ratio for Biogen?

The short interest ratio, also known as the "days to cover ratio", is calculated by dividing the number of shares of a stock sold short divided by its average trading volume. A short interest ratio ranging between 1 and 4 generally indicates strong positive sentiment about a stock and a lack of short sellers. A short interest ratio of 10 or greater indicates strong pessimism about a stock. Biogen currently has a short interest ratio of 2.0.

What is a good short interest percentage for Biogen?

Companies that have a short interest as a percentage of float below 10% indicates positive investor sentiment and few short sellers. Stocks with a short interest percentage above 10% is considered high, suggesting some investors are pessimistic about the stock. Companies with a short interest percentage of 20% or more indicates widespread negative sentiment. 2.42% of Biogen's floating shares are currently sold short.

Is Biogen's short interest increasing or decreasing?

Biogen saw a decrease in short interest during the month of November. As of November 15th, there was short interest totaling 3,710,000 shares, a decrease of 2.4% from the previous total of 3,800,000 shares. Changes in short volume can be used to identify positive and negative investor sentiment. Investors that short sell a stock are betting that its price will decline in the future. An increase in short sale volume suggests bearish (negative) sentiment among investors. A decrease on short sale volume suggests bullish (positive) sentiment.

What is Biogen's float size?

Biogen currently has issued a total of 153,882,000 shares. Some of Biogen's outstanding shares are available for trading, while others are subject to various restrictions. The public float, also referred to as floating shares or "the float", are shares that publicly owned, unrestricted and available to trade on the open market. Biogen currently has a public float of 153,610,000 shares.

How does Biogen's short interest compare to its competitors?

2.42% of Biogen's shares are currently sold short. Here is how the short interest of companies in the sub-industry of "biotechnology" compare to Biogen: Amgen Inc. (1.29%), Gilead Sciences, Inc. (1.74%), Regeneron Pharmaceuticals, Inc. (1.97%), Seagen Inc. (0.00%), Alexion Pharmaceuticals, Inc. (1.89%), Exact Sciences Co. (0.00%), Incyte Co. (0.00%), Alnylam Pharmaceuticals, Inc. (0.00%), BioMarin Pharmaceutical Inc. (0.00%), and Repligen Co. (3.38%).

Which stocks are the most shorted right now?

As of the most recent reporting period, the following stocks had the largest short interest positions: Charter Communications, Inc. ($4.96 billion), Aon Plc ($3.87 billion), Moderna, Inc. ($3.77 billion), Analog Devices, Inc. ($3.62 billion), Snap Inc. ($3.05 billion), The Clorox Company ($2.80 billion), The Kroger Co. ($2.11 billion), International Flavors & Fragrances Inc. ($1.98 billion), Expedia Group, Inc. ($1.95 billion), and Peloton Interactive, Inc. ($1.78 billion). View all of the most shorted stocks.

What does it mean to sell short Biogen stock?

Short selling BIIB is an investing strategy that aims to generate trading profit from Biogen as its price is falling. Biogen's stock is trading up $1.78 today. To short Biogen stock, an investor borrows shares, sells them and buys the shares back on the public market later to return it to the lender. Short sellers are betting that Biogen will decline in price. If the stock does drop after selling, the short seller buys it back at a lower price and returns it to the lender. The difference between the sell price and the buy price is the trader's profit.

How does a short squeeze work against Biogen?

A short squeeze for Biogen occurs when it has a large amount of short interest and its stock appreciates in price. This forces short sellers to cover their short interest positions by buying actual shares of BIIB, which in turn drives the price of the stock up even further.

How often is Biogen's short interest reported?

Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including BIIB, twice per month. The most recent reporting period available is November, 15 2020.


This page was last updated on 12/4/2020 by MarketBeat.com Staff

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