Free Trial
→ Elon’s BIGGEST warning yet? (From Brownstone Research) (Ad) Free FTNT Stock Alerts

Fortinet (FTNT) Short Interest Ratio & Short Volume

Fortinet logo
$74.39 -0.91 (-1.21%)
Closing price 08/8/2025 04:00 PM Eastern
Extended Trading
$74.42 +0.03 (+0.04%)
As of 08/8/2025 07:59 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

Fortinet Short Interest Data

Fortinet (FTNT) has a short interest of 18.55 million shares. This marks a -6.27% decrease in short interest from the previous month. The short interest ratio (days to cover) is 4.0, indicating that it would take 4.0 days of the average trading volume of 6.19 million shares to cover all short positions.

Current Short Interest
18,550,000 shares
Previous Short Interest
19,790,000 shares
Change Vs. Previous Month
-6.27%
Dollar Volume Sold Short
$1.95 billion
Short Interest Ratio
4.0 Days to Cover
Last Record Date
July 15, 2025
Outstanding Shares
765,420,000 shares
Percentage of Shares Shorted
2.42%
Today's Trading Volume
17,001,530 shares
Average Trading Volume
6,194,551 shares
Today's Volume Vs. Average
274%
Short Selling Fortinet?
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 Fortinet and its competitors with MarketBeat's FREE newsletter.

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

FTNT Short Interest Over Time

FTNT Days to Cover Over Time

FTNT Percentage of Float Shorted Over Time

Fortinet 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
7/15/202518,550,000 shares $1.95 billion -6.3%N/A4 $104.93
6/30/202519,790,000 shares $2.09 billion +12.2%3.1%4 $105.72
6/15/202517,640,000 shares $1.78 billion +18.5%2.8%3.5 $100.83
5/31/202514,890,000 shares $1.52 billion -6.2%2.4%2.9 $102.02
5/15/202515,880,000 shares $1.63 billion -22.6%2.5%3.1 $102.56
4/30/202520,520,000 shares $2.13 billion +6.5%N/A3.8 $103.76
4/15/202519,260,000 shares $1.91 billion -11.7%3.1%3.8 $99.20
3/31/202521,810,000 shares $2.10 billion +14.0%3.5%4.3 $96.26
3/15/202519,140,000 shares $1.84 billion +6.6%3.0%4.2 $96.25
2/28/202517,960,000 shares $1.94 billion +32.2%2.9%4 $108.01
2/15/202513,590,000 shares $1.52 billion -10.4%2.2%3.1 $111.64
1/31/202515,170,000 shares $1.53 billion +1.2%N/A3.1 $100.88
1/15/202514,990,000 shares $1.39 billion -6.6%N/A3.3 $93.06
12/31/202416,040,000 shares $1.52 billion +5.0%N/A3.6 $94.48
12/15/202415,280,000 shares $1.50 billion +19.8%N/A3.4 $97.95
11/30/202412,750,000 shares $1.21 billion +1.0%N/A2.7 $95.05
11/15/202412,620,000 shares $1.19 billion +0.4%N/A2.7 $94.20
10/31/202412,570,000 shares $988.76 million -2.9%N/A2.9 $78.66
10/15/202412,950,000 shares $1.07 billion -0.3%N/A2.7 $82.64
9/30/202412,990,000 shares $1.01 billion -10.5%N/A2.5 $77.55
9/15/202414,520,000 shares $1.09 billion +5.8%N/A2.7 $75.01
8/31/202413,720,000 shares $1.05 billion +5.7%N/A2.5 $76.71
8/15/202412,980,000 shares $952.73 million -24.1%N/A2.3 $73.40
7/31/202417,110,000 shares $993.06 million +0.7%N/A3 $58.04
7/15/202417,000,000 shares $1.02 billion +5.9%N/A3 $59.90
6/30/202416,060,000 shares $967.94 million +12.6%N/A3 $60.27
6/15/202414,260,000 shares $866.72 million -14.2%N/A2.6 $60.78
5/31/202416,610,000 shares $985.31 million +30.2%N/A3.2 $59.32
5/15/202412,760,000 shares $774.91 million -20.9%N/A2.5 $60.73
4/30/202416,140,000 shares $1.02 billion +15.5%N/A2.8 $63.18
4/15/202413,970,000 shares $904.28 million +5.9%N/A2.4 $64.73
3/31/202413,190,000 shares $901.01 million -0.8%N/A2.1 $68.31
3/15/202413,300,000 shares $887.38 million +3.4%N/A2.2 $66.72
2/29/202412,860,000 shares $888.75 million +16.7%N/A1.9 $69.11
2/15/202411,020,000 shares $774.27 million -3.3%N/A1.6 $70.26
1/31/202411,400,000 shares $735.19 million -1.6%N/A1.6 $64.49
1/15/202411,580,000 shares $723.06 million -9.3%N/A1.6 $62.44
12/31/202312,770,000 shares $747.43 million -18.2%N/A1.8 $58.53
12/15/202315,610,000 shares $902.73 million +26.8%N/A2.2 $57.83
11/30/202312,310,000 shares $647.01 million +6.7%N/A1.8 $52.56
HIDDEN IN THE BOOK OF GENESIS… (Ad)

“This land I will give to you…” — a 4,000-year-old line from Genesis may hold the key to unlocking a $150 trillion vault of untapped American wealth. Former CIA advisor Jim Rickards calls it the “Old Testament Wealth Code” — and says it could transform your financial future. He’s revealing everything in a new presentation.

Watch Jim Rickards reveal the Old Testament Wealth Code
11/15/202311,540,000 shares $589.23 million +1.6%N/A1.8 $51.06
10/31/202311,360,000 shares $649.45 million -14.1%N/A1.7 $57.17
10/15/202313,230,000 shares $764.16 million +13.7%N/A2.1 $57.76
9/30/202311,640,000 shares $683.04 million +34.1%N/A1.9 $58.68
9/15/20238,680,000 shares $529.65 million -12.0%N/A1.5 $61.02
8/31/20239,860,000 shares $593.67 million -5.2%N/A1.6 $60.21
8/15/202310,400,000 shares $615.37 million +8.8%N/A1.6 $59.17
7/31/20239,560,000 shares $743.00 million -5.6%N/A1.6 $77.72
7/15/202310,130,000 shares $799.46 million -5.2%N/A1.9 $78.92
6/30/202310,690,000 shares $808.06 million -23.0%N/A2.1 $75.59
6/15/202313,880,000 shares $1.02 billion +9.1%N/A2.8 $73.59
5/31/202312,720,000 shares $869.16 million +17.3%N/A2.7 $68.33
5/15/202310,840,000 shares $743.19 million -4.9%N/A2.5 $68.56
4/30/202311,400,000 shares $718.77 million -4.8%N/A2.4 $63.05
4/15/202311,970,000 shares $814.80 million -6.4%N/A2.5 $68.07
3/31/202312,790,000 shares $850.02 million -5.3%N/A2.5 $66.46
3/15/202313,510,000 shares $815.87 million -0.7%N/A2.7 $60.39
2/28/202313,610,000 shares $808.98 million +2.6%N/A2.6 $59.44
2/15/202313,270,000 shares $833.49 million -1.8%N/A2.5 $62.81
1/31/202313,510,000 shares $707.11 million -15.0%N/A2.5 $52.34
1/15/202315,900,000 shares $777.03 million +9.4%N/A3 $48.87
12/30/202214,530,000 shares $710.37 million +11.2%N/A2.7 $48.89
12/15/202213,070,000 shares $681.86 million +12.1%N/A2.4 $52.17
11/30/202211,660,000 shares $619.85 million +12.6%N/A2.2 $53.16
11/15/202210,360,000 shares $582.23 million +19.2%N/A1.9 $56.20
10/31/20228,690,000 shares $496.72 million -4.4%N/A1.6 $57.16
10/15/20229,090,000 shares $437.50 million -19.5%N/A1.7 $48.13
9/30/202211,290,000 shares $554.68 million -7.2%N/A2.1 $49.13
9/15/202212,160,000 shares $617.97 million +33.3%N/A2.3 $50.82
8/31/20229,120,000 shares $444.05 million +7.9%N/A1.7 $48.69
8/15/20228,450,000 shares $456.98 million -16.6%N/A1.5 $54.08
7/31/202210,130,000 shares $604.25 million -12.0%N/A1.6 $59.65
7/15/202211,510,000 shares $693.13 million +10.7%N/A1.8 $60.22
6/30/202210,400,000 shares $588.43 million -12.5%N/A1.6 $56.58
6/15/202211,890,000 shares $659.94 million +335.5%N/A1.8 $55.50
5/31/20222,730,000 shares $803.00 million +3.8%2.0%2 $294.14
5/15/20222,630,000 shares $740.48 million +42.9%2.0%1.8 $281.55
4/30/20221,840,000 shares $531.78 million -6.6%1.4%1.4 $289.01
4/15/20221,970,000 shares $653.57 million -7.5%1.5%1.5 $331.76
3/31/20222,130,000 shares $727.91 million -9.8%1.6%1.5 $341.74
3/15/20222,360,000 shares $668.64 million +4.4%1.8%1.6 $283.32
2/28/20222,260,000 shares $778.62 million -4.2%1.7%1.4 $344.52
2/15/20222,360,000 shares $760.91 million -15.4%1.7%1.5 $322.42
1/31/20222,790,000 shares $829.30 million +3.3%2.1%1.9 $297.24
1/15/20222,700,000 shares $843.86 million +4.3%N/A1.9 $312.54
12/31/20212,590,000 shares $930.85 million +22.2%1.9%2 $359.40
12/15/20212,120,000 shares $713.97 million +19.1%1.6%1.8 $336.78
11/30/20211,780,000 shares $591.16 million -3.8%1.3%1.8 $332.11
11/15/20211,850,000 shares $619.99 million -13.6%1.4%2.1 $335.13
10/29/20212,140,000 shares $719.77 million -4.0%1.6%2.3 $336.34
HIDDEN IN THE BOOK OF GENESIS… (Ad)

“This land I will give to you…” — a 4,000-year-old line from Genesis may hold the key to unlocking a $150 trillion vault of untapped American wealth. Former CIA advisor Jim Rickards calls it the “Old Testament Wealth Code” — and says it could transform your financial future. He’s revealing everything in a new presentation.

Watch Jim Rickards reveal the Old Testament Wealth Code
10/15/20212,230,000 shares $703.10 million +5.2%1.6%2.4 $315.29
9/30/20212,120,000 shares $619.12 million -0.5%1.6%2.2 $292.04
9/15/20212,130,000 shares $642.26 million +15.1%1.6%2.2 $301.53
8/31/20211,850,000 shares $583.01 million -14.4%1.4%2 $315.14
8/13/20212,160,000 shares $668.15 million +14.3%1.6%2.4 $309.33
7/30/20211,890,000 shares $514.53 million -2.6%1.4%2 $272.24
7/15/20211,940,000 shares $497.22 million -10.2%1.4%2 $256.30
6/30/20212,160,000 shares $514.49 million -3.1%1.6%2.3 $238.19
6/15/20212,230,000 shares $513.03 million -3.0%1.6%2.3 $230.06
5/28/20212,300,000 shares $502.64 million -11.9%1.7%2.1 $218.54
5/14/20212,610,000 shares $517.80 million -3.7%1.9%2.1 $198.39
4/30/20212,710,000 shares $529.72 million -14.0%2.0%2.1 $195.47
4/15/20213,150,000 shares $627.86 million -20.7%2.3%2.5 $199.32
3/31/20213,970,000 shares $719.88 million -22.8%2.9%3.1 $181.33
3/15/20215,140,000 shares $968.12 million +33.9%3.8%4 $188.35
2/26/20213,840,000 shares $645.12 million +34.7%2.8%3.2 $168.00
2/12/20212,850,000 shares $464.58 million +4.4%2.1%2.6 $163.01
1/29/20212,730,000 shares $405.49 million -6.2%2.0%2.5 $148.53
1/15/20212,910,000 shares $429.31 million -3.6%2.2%2.6 $147.53
12/31/20203,020,000 shares $447.02 million -8.2%2.2%2.5 $148.02
12/15/20203,290,000 shares $429.97 million -1.5%2.4%2.7 $130.69
11/30/20203,340,000 shares $413.46 million -2.6%2.5%2.8 $123.79
11/15/20203,430,000 shares $397.61 million +0.9%2.5%2.7 $115.92
10/30/20203,400,000 shares $401.20 million -33.6%2.5%2.7 $118.00
10/15/20205,120,000 shares $666.32 million +1.0%3.8%4.1 $130.14
9/30/20205,070,000 shares $597.30 million +2.6%3.8%3.7 $117.81
9/15/20204,940,000 shares $583.91 million +1.2%3.7%3.4 $118.20
8/31/20204,880,000 shares $644.21 million +3.0%3.6%3.2 $132.01
8/14/20204,740,000 shares $604.82 million +18.5%3.5%3.1 $127.60

FTNT Short Interest - Frequently Asked Questions

What is Fortinet's current short interest?

Short interest is the volume of Fortinet shares that have been sold short but have not yet been covered or closed out. As of July 15th, traders have sold 18,550,000 shares of FTNT short. Learn More on Fortinet's current short interest.

What is a good short interest ratio for Fortinet?

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. FTNT shares currently have a short interest ratio of 4.0. Learn More on Fortinet's short interest ratio.

Which institutional investors are shorting Fortinet?

As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Fortinet: Garda Capital Partners LP, Allianz Asset Management GmbH, Twin Tree Management LP, Concurrent Investment Advisors LLC, IMC Chicago LLC, Baader Bank Aktiengesellschaft, Quaker Wealth Management LLC, Jane Street Group LLC, Goldman Sachs Group Inc., Pentwater Capital Management LP, Millennium Management LLC, Ardsley Advisory Partners LP, Alyeska Investment Group L.P., Cubist Systematic Strategies LLC, Caption Management LLC, Twin Tree Management LP, BNP Paribas Financial Markets, Eisler Capital Management Ltd., PEAK6 LLC, Jane Street Group LLC, Walleye Trading LLC, Walleye Capital LLC, Capital Fund Management S.A., Garda Capital Partners LP, Simplex Trading LLC, JPMorgan Chase & Co., and Citigroup Inc.. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission.

Is Fortinet's short interest increasing or decreasing?

Fortinet saw a drop in short interest in July. As of July 15th, there was short interest totaling 18,550,000 shares, a drop of 6.3% from the previous total of 19,790,000 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 Fortinet's short interest compare to its competitors?

Here is how the short interest of companies compare to Fortinet: Airbnb, Inc. (3.16%), CrowdStrike (3.11%), CyberArk Software Ltd. (3.64%), Palo Alto Networks, Inc. (4.00%), The Trade Desk (4.42%), Zscaler, Inc. (6.37%), ServiceNow, Inc. (1.54%), Axon Enterprise, Inc (1.95%), CommVault Systems, Inc. (4.07%), Qualys, Inc. (8.22%),

Which stocks are the most shorted right now?

As of the most recent reporting period, the following stocks had the largest short interest positions: Coinbase Global, Inc. ($5.11 billion), Charter Communications, Inc. ($4.76 billion), Reddit Inc. ($2.84 billion), SoFi Technologies, Inc. ($2.79 billion), Seagate Technology Holdings PLC ($2.79 billion), Live Nation Entertainment, Inc. ($2.67 billion), Rocket Lab Corporation ($2.49 billion), AST SpaceMobile, Inc. ($2.12 billion), Moderna, Inc. ($2.09 billion), and Omnicom Group Inc. ($2.04 billion). View all of the most shorted stocks.

What does it mean to sell short Fortinet stock?

Short selling FTNT is an investing strategy that aims to generate trading profit from Fortinet as its price is falling. FTNT shares are trading down $0.91 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 Fortinet?

A short squeeze for Fortinet 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 FTNT, which in turn drives the price of the stock up even further.

How often is Fortinet'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 FTNT, twice per month. The most recent reporting period available is July, 15 2025.



Related Companies
Short Interest Tools

This page (NASDAQ:FTNT) was last updated on 8/10/2025 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 | Sponsored
[No Brainer Gold Play]: “Show me a better investment.”
A Historic Gold Announcement Is About to Rock Wall Street? For months, sharp-eyed analysts have watched the...
Golden Portfolio | Sponsored
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 | Sponsored
"Death Spiral" Threatening Your Savings
The "Death Spiral" Threatening Your Savings But this time, it's not just Dalio ringing the alarm bells…
Goldco Precious Metals | Sponsored
Presidential Bombshell: $150T Resource to Be Released as soon as this Summer?
Something extraordinary is happening in Washington. For the first time in over a century, a sitting Preside...
Paradigm Press | Sponsored
Market Crash Warning: How to Protect Your Wealth Before August 12th
China tariffs hit August 12—and experts warn a market meltdown may follow. A free guide from American Alter...
American Alternative | Sponsored
He Called Nvidia at $1.10. Now, He Says THIS Stock Will…
The original Magnificent Seven returned 16,894%—turning $7K into $1.18 million. Now, the man who called Nvi...
The Oxford Club | Sponsored
BREAKING: The House just passed 3 pro-crypto bills!
THREE pro-crypto bills just passed the House! Now, experts believe altcoin season is officially here.
Crypto 101 Media | Sponsored