Free Trial
Tada emoji MarketBeat All Access — Now Just $5.00 for 5 Weeks

Pfizer (PFE) Short Interest Ratio & Short Volume

Pfizer logo
$25.38 +0.06 (+0.22%)
Closing price 03:59 PM Eastern
Extended Trading
$25.37 0.00 (-0.02%)
As of 07:53 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
Compare

Pfizer Short Interest Data

Pfizer (PFE) has a short interest of 107.78 million shares, representing 1.90% of the float (the number of shares available for trading by the public). This marks a 8.57% increase in short interest from the previous month. The short interest ratio (days to cover) is 2.5, indicating that it would take 2.5 days of the average trading volume of 45.44 million shares to cover all short positions.

Current Short Interest
107,780,000 shares
Previous Short Interest
99,270,000 shares
Change Vs. Previous Month
+8.57%
Dollar Volume Sold Short
$2.51 billion
Short Interest Ratio
2.5 Days to Cover
Last Record Date
July 31, 2025
Outstanding Shares
5,685,551,000 shares
Short Percent of Float
1.90%
Today's Trading Volume
38,057,154 shares
Average Trading Volume
45,440,254 shares
Today's Volume Vs. Average
84%
Short Selling Pfizer?
cover of A Guide to High-Short-Interest Stocks and How to Trade Them ebook

Sign up to receive the latest short interest report for Pfizer and its competitors with MarketBeat's FREE newsletter.

Skip Charts & View Short Interest History
Short Interest ChartDays to Cover ChartShort Percent of Float Chart

PFE Short Interest Over Time

PFE Days to Cover Over Time

PFE Percentage of Float Shorted Over Time

Pfizer Short Interest History

Export to Excel
Report DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date
7/31/2025107,780,000 shares $2.51 billion +8.6%1.9%2.5 $23.27
7/15/202599,270,000 shares $2.44 billion -11.3%N/A2.3 $24.63
6/30/2025111,910,000 shares $2.72 billion +4.9%2.0%2.4 $24.27
6/15/2025106,730,000 shares $2.62 billion +1.7%1.9%2.2 $24.51
5/31/2025104,990,000 shares $2.46 billion -2.2%1.9%2 $23.46
5/15/2025107,380,000 shares $2.42 billion -6.8%1.9%2 $22.57
4/30/2025115,160,000 shares $2.81 billion +7.2%N/A2.2 $24.41
4/15/2025107,430,000 shares $2.41 billion +10.2%1.9%2.1 $22.45
3/31/202597,490,000 shares $2.47 billion -1.7%1.7%2 $25.36
3/15/202599,170,000 shares $2.55 billion +4.4%1.8%2.2 $25.74
2/28/202594,960,000 shares $2.51 billion +6.6%1.7%2.3 $26.43
2/15/202589,120,000 shares $2.27 billion +21.1%1.6%2.2 $25.50
1/31/202573,570,000 shares $1.95 billion -19.8%N/A1.7 $26.51
1/15/202591,780,000 shares $2.41 billion +21.2%N/A2.1 $26.25
12/31/202475,710,000 shares $2.01 billion -11.3%N/A1.8 $26.53
12/15/202485,370,000 shares $2.18 billion -5.5%N/A2 $25.58
11/30/202490,380,000 shares $2.37 billion -4.4%N/A2.3 $26.21
11/15/202494,540,000 shares $2.34 billion +52.8%N/A2.5 $24.80
10/31/202461,870,000 shares $1.75 billion -12.8%N/A1.9 $28.29
10/15/202470,940,000 shares $2.09 billion +4.9%N/A2.3 $29.46
9/30/202467,620,000 shares $1.96 billion -9.7%N/A2.1 $28.94
9/15/202474,840,000 shares $2.19 billion +14.5%N/A2.4 $29.27
8/31/202465,380,000 shares $1.90 billion +5.9%N/A2 $29.01
8/15/202461,730,000 shares $1.77 billion -5.5%N/A1.8 $28.71
7/31/202465,330,000 shares $2.00 billion +17.3%N/A1.9 $30.54
7/15/202455,700,000 shares $1.62 billion -7.0%N/A1.5 $29.10
6/30/202459,890,000 shares $1.68 billion -3.5%N/A1.6 $27.98
6/15/202462,070,000 shares $1.71 billion -18.3%N/A1.6 $27.53
5/31/202475,970,000 shares $2.18 billion +8.2%N/A1.9 $28.68
5/15/202470,220,000 shares $2.02 billion +12.3%N/A1.7 $28.82
4/30/202462,510,000 shares $1.60 billion -8.2%N/A1.5 $25.61
4/15/202468,060,000 shares $1.76 billion +4.7%N/A1.6 $25.90
3/31/202465,000,000 shares $1.80 billion -9.3%N/A1.5 $27.75
3/15/202471,650,000 shares $2.00 billion +8.4%N/A1.7 $27.97
2/29/202466,120,000 shares $1.76 billion +9.0%N/A1.4 $26.55
2/15/202460,680,000 shares $1.67 billion +0.8%N/A1.3 $27.51
1/31/202460,190,000 shares $1.63 billion +4.5%N/A1.3 $27.06
1/15/202457,580,000 shares $1.65 billion +1.0%N/A1.4 $28.70
12/31/202357,030,000 shares $1.64 billion -7.9%N/A1.4 $28.79
12/15/202361,890,000 shares $1.65 billion +8.7%N/A1.6 $26.59
How high will gold surge? (Ad)

Weiss Gold Veteran Makes Shocking New Call Weiss expert Sean Brodrick went out on a limb last year and declared a historic event would send the yellow metal to $3,150. People laughed at him at the time, but he was off by just two days. Now, Sean has a shocking new prediction for gold … and reveals a little-known way to get ahead of this bull market.tc pixel

Watch this time-sensitive gold bulletin now.
11/30/202356,940,000 shares $1.73 billion -1.0%N/A1.8 $30.44
11/15/202357,500,000 shares $1.74 billion +21.9%N/A2 $30.19
10/31/202347,180,000 shares $1.44 billion -13.5%N/A1.8 $30.56
10/15/202354,570,000 shares $1.75 billion +6.8%N/A2 $32.11
9/30/202351,080,000 shares $1.69 billion +2.3%N/A2.1 $33.17
9/15/202349,950,000 shares $1.70 billion -1.0%N/A2 $34.03
8/31/202350,460,000 shares $1.79 billion -3.7%N/A2.1 $35.38
8/15/202352,390,000 shares $1.85 billion +14.2%N/A1.9 $35.39
7/31/202345,860,000 shares $1.65 billion -13.0%N/A1.7 $36.06
7/15/202352,680,000 shares $1.91 billion -11.5%N/A2 $36.32
6/30/202359,510,000 shares $2.18 billion +8.0%N/A2.3 $36.68
6/15/202355,120,000 shares $2.19 billion -1.2%N/A2.2 $39.77
5/31/202355,780,000 shares $2.12 billion +21.5%N/A2.3 $38.02
5/15/202345,920,000 shares $1.71 billion +4.7%N/A1.9 $37.16
4/30/202343,870,000 shares $1.71 billion +6.0%N/A2.1 $38.89
4/15/202341,370,000 shares $1.70 billion -15.7%N/A1.9 $41.19
3/31/202349,070,000 shares $2.00 billion +11.2%N/A2.1 $40.80
3/15/202344,140,000 shares $1.78 billion +14.7%N/A2 $40.28
2/28/202338,490,000 shares $1.56 billion +1.2%N/A1.7 $40.57
2/15/202338,020,000 shares $1.65 billion -2.9%N/A1.7 $43.32
1/31/202339,170,000 shares $1.73 billion +5.4%N/A1.8 $44.16
1/15/202337,170,000 shares $1.78 billion -12.6%N/A1.7 $47.85
12/30/202242,530,000 shares $2.18 billion -26.7%N/A2 $51.24
12/15/202258,020,000 shares $3.11 billion -7.7%N/A2.7 $53.61
11/30/202262,830,000 shares $3.15 billion -10.3%N/A3.1 $50.13
11/15/202270,040,000 shares $3.40 billion +28.1%N/A3.6 $48.57
10/31/202254,690,000 shares $2.55 billion -12.5%N/A2.7 $46.55
10/15/202262,510,000 shares $2.68 billion +3.5%N/A3.2 $42.86
9/30/202260,370,000 shares $2.64 billion -5.5%N/A3.3 $43.76
9/15/202263,890,000 shares $2.94 billion +2.7%N/A3.6 $45.94
8/31/202262,200,000 shares $2.81 billion -8.5%N/A3.3 $45.23
8/15/202267,940,000 shares $3.38 billion +13.4%N/A3.4 $49.75
7/31/202259,900,000 shares $3.03 billion -11.1%N/A2.9 $50.51
7/15/202267,350,000 shares $3.49 billion -2.3%N/A3 $51.75
6/30/202268,930,000 shares $3.61 billion -10.5%N/A2.9 $52.43
6/15/202276,980,000 shares $3.73 billion -0.3%N/A3.1 $48.51
5/31/202277,200,000 shares $4.09 billion +33.9%N/A2.9 $53.04
5/15/202257,670,000 shares $2.88 billion -15.2%N/A2.1 $49.92
4/30/202267,990,000 shares $3.34 billion +8.5%N/A2.3 $49.07
4/15/202262,650,000 shares $3.33 billion +1.8%N/A2 $53.12
3/31/202261,560,000 shares $3.19 billion +0.6%N/A1.9 $51.77
3/15/202261,180,000 shares $3.19 billion -6.8%N/A1.7 $52.21
2/28/202265,640,000 shares $3.08 billion +3.8%N/A1.7 $46.94
2/15/202263,260,000 shares $3.15 billion -8.6%N/A1.5 $49.79
1/31/202269,220,000 shares $3.65 billion +8.0%N/A1.6 $52.69
1/15/202264,080,000 shares $3.52 billion +9.3%N/A1.5 $54.95
12/31/202158,640,000 shares $3.46 billion -11.2%N/A1.4 $59.05
12/15/202166,010,000 shares $3.88 billion +3.9%N/A1.7 $58.80
11/30/202163,560,000 shares $3.42 billion +0.0%N/A1.9 $53.73
11/15/202163,540,000 shares $3.15 billion +7.9%N/A2.1 $49.65
How high will gold surge? (Ad)

Weiss Gold Veteran Makes Shocking New Call Weiss expert Sean Brodrick went out on a limb last year and declared a historic event would send the yellow metal to $3,150. People laughed at him at the time, but he was off by just two days. Now, Sean has a shocking new prediction for gold … and reveals a little-known way to get ahead of this bull market.tc pixel

Watch this time-sensitive gold bulletin now.
10/29/202158,880,000 shares $2.58 billion +8.1%N/A1.7 $43.74
10/15/202154,480,000 shares $2.26 billion +4.4%N/A1.7 $41.49
9/30/202152,180,000 shares $2.24 billion -3.5%N/A1.6 $43.01
9/15/202154,090,000 shares $2.42 billion -7.8%N/A1.7 $44.77
8/31/202158,670,000 shares $2.70 billion -4.5%N/A1.9 $46.07
8/13/202161,420,000 shares $2.98 billion +12.7%N/A2.1 $48.48
7/30/202154,500,000 shares $2.33 billion -11.0%1.0%2.1 $42.81
7/15/202161,240,000 shares $2.46 billion -3.0%N/A2.5 $40.09
6/30/202163,150,000 shares $2.47 billion +5.7%N/A2.4 $39.16
6/15/202159,770,000 shares $2.37 billion +1.3%N/A2.2 $39.59
5/28/202159,000,000 shares $2.29 billion +2.9%N/A2.2 $38.73
5/14/202157,320,000 shares $2.30 billion -1.2%N/A2 $40.10
4/30/202158,020,000 shares $2.24 billion -4.7%N/A1.9 $38.60
4/15/202160,890,000 shares $2.26 billion -7.6%N/A1.9 $37.17
3/31/202165,930,000 shares $2.38 billion -3.5%N/A2 $36.11
3/15/202168,320,000 shares $2.39 billion +1.0%N/A2 $34.94
2/26/202167,650,000 shares $2.29 billion +7.2%N/A1.7 $33.82
2/12/202163,120,000 shares $2.17 billion +0.0%N/A1.5 $34.43
1/29/202163,110,000 shares $2.26 billion -3.6%N/A1.3 $35.86
1/15/202165,480,000 shares $2.41 billion +0.3%N/A1.4 $36.75
12/31/202065,270,000 shares $2.40 billion +3.4%N/A1.5 $36.74
12/15/202063,140,000 shares $2.48 billion -0.9%N/A1.5 $39.21
11/30/202063,680,000 shares $2.37 billion -4.3%N/A1.7 $37.23
11/15/202066,530,000 shares $2.57 billion +44.9%N/A2.1 $38.62
10/30/202045,930,000 shares $1.62 billion +13.6%N/A1.7 $35.28
10/15/202040,440,000 shares $1.49 billion -10.5%N/A1.7 $36.86
9/30/202045,160,000 shares $1.66 billion +5.6%N/A1.8 $36.70
9/15/202042,750,000 shares $1.58 billion -5.4%N/A1.6 $36.96
8/31/202045,210,000 shares $1.71 billion -10.0%N/A1.5 $37.79

PFE Short Interest - Frequently Asked Questions

What is Pfizer's current short interest?

Short interest is the volume of Pfizer shares that have been sold short but have not yet been covered or closed out. As of July 31st, investors have sold 107,780,000 shares of PFE short. 1.90% of Pfizer's shares are currently sold short. Learn More on Pfizer's current short interest.

What is a good short interest ratio for Pfizer?

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. PFE shares currently have a short interest ratio of 2.0. Learn More on Pfizer's short interest ratio.

Which institutional investors are shorting Pfizer?

As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Pfizer: Hudson Bay Capital Management LP, Nomura Holdings Inc., National Bank of Canada FI, Man Group plc, LMR Partners LLP, Hudson Bay Capital Management LP, Group One Trading LLC, BNP Paribas Financial Markets, Balyasny Asset Management L.P., Bank of America Corp DE, Jane Street Group LLC, Volterra Technologies LP, Squarepoint Ops LLC, Alphadyne Asset Management LP, Qube Research & Technologies Ltd, Maven Securities LTD, Bank of Nova Scotia, Capital Markets Trading UK LLP, CMT Capital Markets Trading GmbH, Capula Management Ltd, Walleye Capital LLC, Walleye Trading LLC, Groupe la Francaise, Capital Fund Management S.A., Jefferies Financial Group Inc., Eisler Capital Management Ltd., JPMorgan Chase & Co., Wernau Asset Management Inc., Citigroup Inc., SG Americas Securities LLC, Garda Capital Partners LP, Marathon Trading Investment Management LLC, Credit Industriel ET Commercial, Mirae Asset Securities USA Inc., Wolverine Asset Management LLC, Allianz Asset Management GmbH, Twin Tree Management LP, Credit Industriel ET Commercial, Total Wealth Planning & Management Inc., DAVENPORT & Co LLC, IMC Chicago LLC, and Quaker Wealth Management LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission.

What is a good short interest percentage for Pfizer?

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. 1.90% of Pfizer's floating shares are currently sold short.

Is Pfizer's short interest increasing or decreasing?

Pfizer saw a increase in short interest in the month of July. As of July 31st, there was short interest totaling 107,780,000 shares, an increase of 8.6% from the previous total of 99,270,000 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.

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

1.90% of Pfizer's shares are currently sold short. Here is how the short interest of companies in the sector of "medical" compare to Pfizer: Amgen Inc. (2.33%), Gilead Sciences, Inc. (1.61%), Moderna, Inc. (18.29%), Novavax, Inc. (26.31%), Viatris Inc. (3.26%), AbbVie Inc. (0.86%), Bristol Myers Squibb Company (1.52%), Johnson & Johnson (0.71%), Eli Lilly and Company (0.84%), Merck & Co., Inc. (1.04%),

Which stocks are the most shorted right now?

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($70.87 billion), Invesco QQQ ($30.12 billion), iShares Russell 2000 ETF ($19.85 billion), iShares 20+ Year Treasury Bond ETF ($10.34 billion), MicroStrategy Incorporated ($8.98 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($7.61 billion), SPDR S&P Biotech ETF ($6.81 billion), Invesco S&P 500 Equal Weight ETF ($6.14 billion), Palo Alto Networks, Inc. ($5.97 billion), and Super Micro Computer, Inc. ($5.28 billion). View all of the most shorted stocks.

What does it mean to sell short Pfizer stock?

Short selling PFE is an investing strategy that aims to generate trading profit from Pfizer as its price is falling. PFE shares are trading up $0.28 today. To short a 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 a stock 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 Pfizer?

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

How often is Pfizer'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 PFE, twice per month. The most recent reporting period available is July, 31 2025.



Related Companies
Short Interest Tools

This page (NYSE:PFE) was last updated on 8/20/2025 by MarketBeat.com Staff
From Our Partners
GENIUS Act: Cancel Your Money?
A new law called the GENIUS Act could quietly trigger the most radical shift in American finance in decades. B...
Priority Gold | Sponsoredtc pixel
New law could create $3.7 trillion tsunami.
During a meeting in Washington D.C., Jeff Brown discovered a bold initiative. He calls it “President Trump’...
Brownstone Research | Sponsoredtc pixel
Everyone’s watching Nvidia right now. Here’s why I’m excited.
So, unless you’ve been living under a rock, you probably saw the news… Nvidia just signed a $7 BILLION deal...
Timothy Sykes | Sponsoredtc pixel
The Trump Dump is starting; Get out of stocks now?
The first 365 days of the Trump presidency… Will be the best time to get rich in American history.
Paradigm Press | Sponsoredtc pixel
Trump’s national nightmare is here
Porter Stansberry and Jeff Brown say a new U.S. national emergency is already underway — and it could trigger ...
Porter & Company | Sponsoredtc pixel
"I'm risking my reputation on this"
A massive supply shock is building in the crypto market that could send Bitcoin to $300,000 this year. That...
Crypto 101 Media | Sponsoredtc pixel
National 'Stock Market Reset' Coming September 30 (New WH Order)
Crash Coming Sept 30? Analysts Warn of New Crisis A new problem on the U.S. power grid is putting millions ...
Altimetry | Sponsoredtc pixel
Tax Drain Deadline: Protect Your Wealth Before September 15th
On September 15th, the IRS collects another round of quarterly tax payments—targeting self-employed profession...
American Alternative | Sponsoredtc pixel