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Cogent Communications (CCOI) Short Interest Ratio & Short Volume

Cogent Communications logo
$12.60 -0.30 (-2.29%)
As of 11:49 AM Eastern
This is a fair market value price provided by Massive. Learn more.
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Cogent Communications Short Interest Overview

As of June 30, 2026, Cogent Communications (CCOI) had a short interest of 7.11 million shares sold short, representing 14.82% of the public float. This marks a 22.40% increase in short interest since the prior report. The short interest ratio (days to cover) is 4.2, meaning it would take 4.2 days of the average trading volume of 1.22 million shares to cover all short positions.

Current Short Interest
7,109,316 shares
Previous Short Interest
5,808,070 shares
Change Vs. Previous Month
22.40%
Dollar Volume Sold Short
$98.68 million
Short Interest Ratio
4.2 Days to Cover
Last Record Date
June 30, 2026
Outstanding Shares
50,080,000 shares
Short Percent of Float
14.82%
Today's Trading Volume
181,211 shares
Average Trading Volume
1,224,023 shares
Today's Volume Vs. Average
15%
Short Selling Cogent Communications?
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

CCOI Short Interest Over Time

CCOI Days to Cover Over Time

CCOI Percentage of Float Shorted Over Time

Cogent Communications Tesla Short Interest History & Recent Changes

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Report DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date
6/30/20267,109,316 shares $98.68 million +22.4%14.8%4.22 $13.88
6/15/20265,808,070 shares $95.54 million -4.0%12.1%6.28 $16.45
5/29/20266,048,557 shares $107.42 million +15.7%12.6%4.75 $17.76
5/15/20265,230,217 shares $86.19 million -1.3%10.9%2.64 $16.48
4/30/20265,297,480 shares $119.99 million -7.9%11.0%6.37 $22.65
4/15/20265,750,362 shares $135.31 million -1.6%12.0%6.67 $23.53
3/31/20265,842,448 shares $110.07 million -12.5%12.2%4.78 $18.84
3/13/20266,673,628 shares $125.46 million -10.1%14.8%5.7 $18.80
2/27/20267,419,016 shares $139.18 million +22.1%15.5%3.67 $18.76
2/13/20266,074,190 shares $160.72 million +10.2%12.7%6.24 $26.46
1/30/20265,511,079 shares $133.92 million -7.4%12.5%8.27 $24.30
1/15/20265,951,263 shares $138.13 million -8.3%13.5%6.59 $23.21
12/31/20256,486,402 shares $139.85 million +11.5%14.7%4.45 $21.56
12/15/20255,818,148 shares $132.89 million -9.2%13.2%4.31 $22.84
11/28/20256,404,577 shares $122.36 million -4.1%14.5%3.23 $19.11
11/14/20256,676,850 shares $117.18 million -6.5%15.3%2.43 $17.55
10/31/20257,140,690 shares $294.55 million +12.3%16.4%7.19 $41.25
10/15/20256,360,000 shares $286.84 million +4.3%13.6%4.2 $45.10
9/30/20256,100,000 shares $233.94 million +0.7%13.0%4.2 $38.35
9/15/20256,060,000 shares $226.28 million +11.2%12.9%4.5 $37.34
8/31/20255,450,000 shares $208.35 million -1.6%11.6%4.6 $38.23
8/15/20255,540,000 shares $189.75 million +12.8%11.8%5 $34.25
7/31/20254,910,000 shares $223.85 million -1.6%11.1%5.1 $45.59
7/15/20254,990,000 shares $250.75 million -3.7%11.2%6.8 $50.25
6/30/20255,180,000 shares $249.73 million +1.4%11.7%6.7 $48.21
6/15/20255,110,000 shares $240.07 million -1.9%11.5%6.5 $46.98
5/31/20255,210,000 shares $237.73 million +24.9%11.9%7.3 $45.63
5/15/20254,170,000 shares $210.21 million -6.1%9.6%6.2 $50.41
4/30/20254,440,000 shares $241.31 million -1.3%10.2%8 $54.35
4/15/20254,500,000 shares $240.48 million +19.7%10.4%9.3 $53.44
3/31/20253,760,000 shares $230.53 million -1.1%8.7%8.3 $61.31
3/15/20253,800,000 shares $260.38 million +3.5%8.8%9.7 $68.52
2/28/20253,670,000 shares $268.17 million -1.9%8.5%9.4 $73.07
2/15/20253,740,000 shares $306.68 million +8.4%8.7%9.9 $82.00
1/31/20253,450,000 shares $259.92 million -8.2%8.0%8.6 $75.34
1/15/20253,760,000 shares $274.56 million +3.9%8.6%9.3 $73.02
12/31/20243,620,000 shares $278.99 million +15.3%8.2%8.9 $77.07
12/15/20243,140,000 shares $242.69 million -17.4%7.1%7.9 $77.29
11/30/20243,800,000 shares $312.32 million -0.5%8.6%9.7 $82.19
11/15/20243,820,000 shares $303.31 million -6.1%8.7%9.8 $79.40
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10/31/20244,070,000 shares $326.70 million -1.9%9.2%10.7 $80.27
10/15/20244,150,000 shares $340.34 million -1.2%9.4%10.6 $82.01
9/30/20244,200,000 shares $318.86 million -6.0%9.5%9.5 $75.92
9/15/20244,470,000 shares $325.86 million +1.8%10.1%9.6 $72.90
8/31/20244,390,000 shares $307.21 million -11.9%9.9%8.8 $69.98
8/15/20244,980,000 shares $366.03 million +7.6%11.3%9.6 $73.50
7/31/20244,630,000 shares $326.83 million -2.9%10.5%8.4 $70.59
7/15/20244,770,000 shares $313.87 million +1.3%10.8%9 $65.80
6/30/20244,710,000 shares $265.83 million +7.1%10.7%9.2 $56.44
6/15/20244,400,000 shares $229.59 million +15.5%10.0%9.1 $52.18
5/31/20243,810,000 shares $225.63 million +1.6%8.7%7.7 $59.22
5/15/20243,750,000 shares $220.09 million +13.0%8.6%7.3 $58.69
4/30/20243,320,000 shares $213.08 million +15.3%7.9%7.1 $64.18
4/15/20242,880,000 shares $181.53 million +12.1%6.8%6.5 $63.03
3/31/20242,570,000 shares $167.90 million -17.9%6.1%6.2 $65.33
3/15/20243,130,000 shares $203.23 million +47.0%7.4%8.1 $64.93
2/29/20242,130,000 shares $172.34 million -3.6%5.1%6.1 $80.91
2/15/20242,210,000 shares $170.32 million +0.5%5.1%7.7 $77.07
1/31/20242,200,000 shares $169.84 million +8.9%5.1%7.3 $77.20
1/15/20242,020,000 shares $148.57 million +1.5%4.7%6.7 $73.55
12/31/20231,990,000 shares $151.36 million +4.2%4.6%6.5 $76.06
12/15/20231,910,000 shares $137.02 million +7.9%4.4%5.6 $71.74
11/30/20231,770,000 shares $113.03 million +3.5%4.1%4.9 $63.86
11/15/20231,710,000 shares $113.72 million +11.8%3.9%4.9 $66.50
10/31/20231,530,000 shares $99.42 million +24.4%3.5%3.9 $64.98
10/15/20231,230,000 shares $77.07 million -5.4%2.8%3 $62.66
9/30/20231,300,000 shares $80.47 million -11.0%3.0%3 $61.90
9/15/20231,460,000 shares $95.67 million +6.6%3.4%3.8 $65.53
8/31/20231,370,000 shares $96.69 million -4.9%3.2%3.8 $70.58
8/15/20231,440,000 shares $102.77 million +5.1%3.3%4 $71.37
7/31/20231,370,000 shares $83.90 million -16.0%3.2%4.4 $61.24
7/15/20231,630,000 shares $103.34 million No Change3.8%5.6 $63.40
6/30/20231,630,000 shares $109.68 million -11.9%3.8%6.1 $67.29
6/15/20231,850,000 shares $121.10 million No Change4.3%6.6 $65.46
5/31/20231,850,000 shares $113.81 million +3.4%4.3%6.1 $61.52
5/15/20231,790,000 shares $112.88 million +6.6%4.2%5.7 $63.06
4/30/20231,680,000 shares $115.99 million +1.8%3.9%5.4 $69.04
4/15/20231,650,000 shares $113.88 million -2.9%3.9%5.6 $69.02
3/31/20231,700,000 shares $108.32 million +27.8%4.0%5.6 $63.72
3/15/20231,330,000 shares $81.68 million +0.8%3.1%4.5 $61.41
2/28/20231,320,000 shares $85.46 million +12.8%3.1%4.7 $64.74
2/15/20231,170,000 shares $77.98 million -4.1%2.7%4.3 $66.65
1/31/20231,220,000 shares $83.66 million -4.7%2.9%4.5 $68.57
1/15/20231,280,000 shares $83.44 million -9.2%3.0%4.4 $65.19
12/30/20221,410,000 shares $80.48 million -0.7%3.3%4.8 $57.08
12/15/20221,420,000 shares $78.92 million +15.5%3.3%4.5 $55.58
11/30/20221,230,000 shares $71.40 million -18.5%2.9%3.7 $58.05
11/15/20221,510,000 shares $86.42 million -12.7%3.5%4.5 $57.23
10/31/20221,730,000 shares $90.84 million -9.4%4.1%5.2 $52.51
10/15/20221,910,000 shares $96.17 million +7.9%4.5%6.2 $50.35
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9/30/20221,770,000 shares $92.32 million -6.4%4.2%6.1 $52.16
9/15/20221,890,000 shares $101.42 million +5.0%4.4%6.7 $53.66
8/31/20221,800,000 shares $95.85 million -5.8%4.2%6.6 $53.25
8/15/20221,910,000 shares $116.09 million +1.6%4.5%8.1 $60.78
7/31/20221,880,000 shares $119.96 million +9.3%4.4%7.2 $63.81
7/15/20221,720,000 shares $104.23 million +42.2%4.0%6.1 $60.60
6/30/20221,210,000 shares $73.52 million -11.7%2.8%4.2 $60.76
6/15/20221,370,000 shares $78.99 million +16.1%3.3%4.6 $57.66
5/31/20221,180,000 shares $71.26 million -18.1%2.8%4.1 $60.39
5/15/20221,440,000 shares $85.20 million +1.4%3.4%4.5 $59.17
4/30/20221,420,000 shares $83.07 million +10.9%3.3%4.6 $58.50
4/15/20221,280,000 shares $84.95 million +9.4%3.0%4.5 $66.37
3/31/20221,170,000 shares $77.63 million -14.6%2.8%4 $66.35
3/15/20221,370,000 shares $86.57 million No Change3.2%4.9 $63.19
2/28/20221,370,000 shares $86.86 million +23.4%3.2%4.2 $63.40
2/15/20221,110,000 shares $72.94 million +39.5%2.6%3.4 $65.71
1/31/2022795,800 shares $50.62 million +4.2%1.9%2.7 $63.61
1/15/2022763,800 shares $48.88 million -1.3%N/A0 $63.99
12/31/2021774,200 shares $56.66 million -22.6%1.8%2.9 $73.18
12/15/20211,000,000 shares $75.97 million -2.9%2.4%3.8 $75.97
11/30/20211,030,000 shares $77.18 million +11.4%2.4%5 $74.93
11/15/2021924,400 shares $72.65 million -11.1%2.2%5.1 $78.59
10/29/20211,040,000 shares $79.65 million -10.3%2.5%5.6 $76.59
10/15/20211,160,000 shares $84.90 million +14.9%2.7%6 $73.19
9/30/20211,010,000 shares $71.55 million No Change2.4%5 $70.84
9/15/20211,010,000 shares $73.85 million No Change2.4%5.1 $73.12
8/31/20211,010,000 shares $73.31 million +9.5%2.4%5.2 $72.58
8/13/2021922,500 shares $67.04 million -9.6%2.2%4.5 $72.67
7/30/20211,020,000 shares $79.16 million -1.0%2.4%4.5 $77.61

CCOI Short Interest - Frequently Asked Questions

Short interest is the volume of Cogent Communications shares that have been sold short but have not yet been covered or closed out. As of June 30th, traders have sold 7,109,316 shares of CCOI short. 14.82% of Cogent Communications' shares are currently sold short. Learn More on Cogent Communications' current short interest.

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. CCOI shares currently have a short interest ratio of 4.2. Learn More on Cogent Communications's short interest ratio.

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. 14.82% of Cogent Communications' floating shares are currently sold short.

Cogent Communications saw a increase in short interest in June. As of June 30th, there was short interest totaling 7,109,316 shares, an increase of 22.4% from the previous total of 5,808,070 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.

14.82% of Cogent Communications' shares are currently sold short. Here is how the short interest of companies compare to Cogent Communications: Iridium Communications Inc (4.25%), Liberty Latin America Ltd. (0.55%), Liberty Global PLC (2.71%), Nexxen International Ltd. Sponsored ADR (3.41%), Gogo Inc. (12.68%), ATN International, Inc. (1.35%), Spok Holdings, Inc. (2.50%), T-Mobile US, Inc. (1.86%), Verizon Communications Inc. (2.28%), AT&T Inc. (1.81%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($82.01 billion), Invesco QQQ ($47.15 billion), iShares Russell 2000 ETF ($24.07 billion), Nebius Group N.V. ($16.85 billion), Western Digital Corporation ($14.29 billion), SPDR S&P Biotech ETF ($11.89 billion), VanEck Semiconductor ETF ($11.29 billion), KLA Corporation ($10.37 billion), iShares 20+ Year Treasury Bond ETF ($8.78 billion), and Lumentum Holdings Inc. ($8.29 billion). View all of the most shorted stocks.

Short selling CCOI is an investing strategy that aims to generate trading profit from Cogent Communications as its price is falling. CCOI shares are trading down $0.43 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.

A short squeeze for Cogent Communications 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 CCOI, which in turn drives the price of the stock up even further.

Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including CCOI, twice per month. The most recent reporting period available is June, 30 2026.

Understanding short interest metrics can help you assess how traders are positioning around a stock like CCOI:

  • Shares Sold Short: The total number of shares that have been sold by short sellers but have not yet been covered or closed out. A high number may indicate bearish sentiment.
  • Short Float: The percentage of a company’s publicly available shares (or "float") that are sold short. A higher short float suggests a greater portion of the stock is being bet against.
  • Days to Cover (Short Interest Ratio): This estimates how many days it would take short sellers to cover their positions, based on average daily trading volume. Higher values can signal potential for a short squeeze if buying pressure increases.

These metrics are often used by traders to gauge sentiment, volatility risk, and the potential for price movements based on short covering activity.


Related Companies
Short Interest Tools

This page (NASDAQ:CCOI) was last updated on 7/10/2026 by MarketBeat.com Staff.
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