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iRobot (IRBT) Short Interest Ratio & Short Volume

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iRobot Short Interest Overview

As of December 15, 2025, iRobot (IRBT) had a short interest of 15.55 million shares sold short, representing 49.15% of the public float. This marks a 10.14% increase in short interest since the prior report. The short interest ratio (days to cover) is 0.2, meaning it would take 0.2 days of the average trading volume of 9.23 million shares to cover all short positions.

Current Short Interest
15,545,171 shares
Previous Short Interest
14,113,785 shares
Change Vs. Previous Month
10.14%
Dollar Volume Sold Short
$18.34 million
Short Interest Ratio
0.2 Days to Cover
Last Record Date
December 15, 2025
Outstanding Shares
31,830,000 shares
Short Percent of Float
49.15%
Today's Trading Volume
0 shares
Average Trading Volume
9,227,786 shares
Today's Volume Vs. Average
0%
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

IRBT Short Interest Over Time

IRBT Days to Cover Over Time

IRBT Percentage of Float Shorted Over Time

iRobot 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
12/15/202515,545,171 shares $18.34 million +10.1%49.1%0.2 $1.18
11/28/202514,113,785 shares $22.30 million +13.3%44.6%7.35 $1.58
11/14/202512,453,604 shares $24.28 million +23.5%39.9%4.91 $1.95
10/31/202510,081,294 shares $32.06 million +24.3%32.3%1.62 $3.18
10/15/20258,110,000 shares $43.55 million -1.2%27.8%3.6 $5.37
9/30/20258,210,000 shares $29.47 million -1.6%28.7%4.7 $3.59
9/15/20258,340,000 shares $32.94 million +7.2%29.1%4.5 $3.95
8/31/20257,780,000 shares $26.37 million +13.7%27.2%4 $3.39
8/15/20256,840,000 shares $23.19 million -2.3%23.9%2.6 $3.39
7/31/20257,000,000 shares $29.47 million -10.3%24.5%2.7 $4.21
7/15/20257,800,000 shares $35.18 million +0.7%27.5%3 $4.51
6/30/20257,750,000 shares $24.26 million -6.4%27.4%3.2 $3.13
6/15/20258,280,000 shares $26.58 million +3.4%28.6%3.7 $3.21
5/31/20258,010,000 shares $24.27 million -6.4%27.7%3 $3.03
5/15/20258,560,000 shares $23.71 million +14.8%29.6%3.6 $2.77
4/30/20257,460,000 shares $18.28 million +17.9%25.8%3.4 $2.45
4/15/20256,330,000 shares $11.58 million +26.6%22.2%2.8 $1.83
3/31/20255,000,000 shares $13.50 million -2.0%17.5%2 $2.70
3/15/20255,100,000 shares $18.87 million -1.5%17.8%2.1 $3.70
2/28/20255,180,000 shares $37.66 million +31.8%18.1%2.8 $7.27
2/15/20253,930,000 shares $37.30 million -2.7%13.7%2.2 $9.49
1/31/20254,040,000 shares $31.07 million +12.2%14.1%2.2 $7.69
1/15/20253,600,000 shares $29.88 million +7.8%12.6%2.2 $8.30
12/31/20243,340,000 shares $25.89 million +11.7%11.7%2.5 $7.75
12/15/20242,990,000 shares $26.16 million -18.3%10.5%2.8 $8.75
11/30/20243,660,000 shares $27.85 million -8.7%12.7%3.5 $7.61
11/15/20244,010,000 shares $24.90 million -17.8%13.9%3.9 $6.21
10/31/20244,880,000 shares $42.60 million +2.3%16.9%4.8 $8.73
10/15/20244,770,000 shares $38.97 million -11.2%16.7%5 $8.17
9/30/20245,370,000 shares $46.67 million -1.5%18.8%5.2 $8.69
9/15/20245,450,000 shares $39.43 million +12.4%19.1%5 $7.24
8/31/20244,850,000 shares $35.50 million -4.2%17.0%4.3 $7.32
8/15/20245,060,000 shares $39.59 million +3.9%17.7%4.3 $7.83
7/31/20244,870,000 shares $57.42 million -7.8%17.0%3.5 $11.79
7/15/20245,280,000 shares $56.39 million +2.7%19.4%3.6 $10.68
6/30/20245,140,000 shares $46.83 million -7.4%18.8%3.2 $9.11
6/15/20245,550,000 shares $51.12 million -11.2%20.3%3 $9.21
5/31/20246,250,000 shares $60.06 million -6.4%22.4%3 $9.61
5/15/20246,680,000 shares $73.38 million -20.9%24.0%2.9 $10.99
4/30/20248,440,000 shares $72.25 million +4.1%30.7%3.9 $8.56
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4/15/20248,110,000 shares $61.43 million -1.5%29.5%3 $7.58
3/31/20248,230,000 shares $72.09 million -12.8%30.4%2.6 $8.76
3/15/20249,440,000 shares $94.31 million +3.9%34.9%3.4 $9.99
2/29/20249,090,000 shares $103.72 million +1.8%33.5%3.7 $11.41
2/15/20248,930,000 shares $110.91 million +12.3%33.2%3.5 $12.42
1/31/20247,950,000 shares $108.12 million +172.3%29.5%3.6 $13.60
1/15/20242,920,000 shares $87.54 million +4.3%13.2%2 $29.98
12/31/20232,800,000 shares $108.36 million -5.1%10.4%4.6 $38.70
12/15/20232,950,000 shares $111.08 million -21.5%11.0%4.9 $37.66
11/30/20233,760,000 shares $135.77 million +43.5%14.0%6.6 $36.11
11/15/20232,620,000 shares $81.19 million -12.1%9.7%7.1 $30.99
10/31/20232,980,000 shares $98.13 million -5.1%11.2%11.8 $32.93
10/15/20233,140,000 shares $120.17 million -5.7%11.8%10.9 $38.27
9/30/20233,330,000 shares $126.21 million +8.8%12.5%10.8 $37.90
9/15/20233,060,000 shares $107.41 million No Change11.5%9.1 $35.10
8/31/20233,060,000 shares $119.00 million -10.3%11.5%6.7 $38.89
8/15/20233,410,000 shares $127.84 million -7.1%12.8%6.8 $37.49
7/31/20233,670,000 shares $146.80 million +2.8%13.8%6.5 $40.00
7/15/20233,570,000 shares $171.07 million -4.8%13.4%6.6 $47.92
6/30/20233,750,000 shares $169.69 million +16.5%14.1%7 $45.25
6/15/20233,220,000 shares $135.50 million +8.1%12.1%6.2 $42.08
5/31/20232,980,000 shares $105.64 million -30.9%11.2%7.5 $35.45
5/15/20234,310,000 shares $146.24 million No Change16.2%11 $33.93
10/31/20225,590,000 shares $315.84 million -4.8%21.1%6.6 $56.50
10/15/20225,870,000 shares $328.72 million -5.8%22.1%5.2 $56.00
9/30/20226,230,000 shares $350.94 million -3.4%23.5%5.6 $56.33
9/15/20226,450,000 shares $375.20 million -4.7%24.4%5.9 $58.17
8/31/20226,770,000 shares $398.62 million +9.6%25.6%7 $58.88
8/15/20226,180,000 shares $370.31 million +72.1%23.4%7.3 $59.92
7/31/20223,590,000 shares $165.18 million -8.2%13.3%5.1 $46.01
7/15/20223,910,000 shares $144.32 million +15.0%14.5%8.8 $36.91
6/30/20223,400,000 shares $124.95 million -12.1%12.6%7.3 $36.75
6/15/20223,870,000 shares $160.49 million -2.5%14.4%8.3 $41.47
5/31/20223,970,000 shares $188.93 million -13.5%15.1%8.6 $47.59
5/15/20224,590,000 shares $218.30 million -13.4%17.4%9.4 $47.56
4/30/20225,300,000 shares $268.45 million +3.7%20.1%10 $50.65
4/15/20225,110,000 shares $276.71 million -9.4%19.4%10.2 $54.15
3/31/20225,640,000 shares $357.58 million +4.4%N/A11.6 $63.40
3/15/20225,400,000 shares $299.54 million -10.6%20.6%11.8 $55.47
2/28/20226,040,000 shares $375.45 million -3.1%22.9%12.1 $62.16
2/15/20226,230,000 shares $402.77 million -3.7%23.6%12.5 $64.65
1/31/20226,470,000 shares $423.91 million +0.3%24.6%14.6 $65.52
1/15/20226,450,000 shares $430.86 million No ChangeN/A13.8 $66.80
12/31/20216,450,000 shares $424.93 million -7.2%24.5%15.1 $65.88
12/15/20216,950,000 shares $463.98 million +1.8%26.4%15.4 $66.76
11/30/20216,830,000 shares $518.47 million +3.0%26.0%16.4 $75.91
11/15/20216,630,000 shares $603.93 million -7.7%25.2%16 $91.09
10/29/20217,180,000 shares $598.96 million +1.4%26.2%16.1 $83.42
10/15/20217,080,000 shares $581.69 million -2.9%25.9%16 $82.16
9/30/20217,290,000 shares $572.27 million -1.1%26.6%16.2 $78.50
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9/15/20217,370,000 shares $591.07 million +8.2%26.9%16.2 $80.20
8/31/20216,810,000 shares $552.43 million +14.1%24.9%14.3 $81.12
8/13/20215,970,000 shares $533.54 million -2.3%21.8%11.9 $89.37
7/30/20216,110,000 shares $534.63 million +5.0%22.4%12.5 $87.50
7/15/20215,820,000 shares $506.46 million +4.1%21.3%10.9 $87.02
6/30/20215,590,000 shares $522.05 million +6.3%20.4%10.3 $93.39
6/15/20215,260,000 shares $506.28 million +12.6%19.2%10.1 $96.25
5/28/20214,670,000 shares $456.26 million -1.7%17.0%9 $97.70

IRBT Short Interest - Frequently Asked Questions

Short interest is the volume of iRobot shares that have been sold short but have not yet been closed out or covered. As of December 15th, traders have sold 15,545,171 shares of IRBT short. 49.15% of iRobot's shares are currently sold short. Learn More on iRobot's 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. IRBT shares currently have a short interest ratio of 0.2. Learn More on iRobot'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. 49.15% of iRobot's floating shares are currently sold short.

iRobot saw a increase in short interest during the month of December. As of December 15th, there was short interest totaling 15,545,171 shares, an increase of 10.1% from the previous total of 14,113,785 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.

49.15% of iRobot's shares are currently sold short. Here is how the short interest of companies compare to iRobot: Whirlpool Corporation (18.93%), Helen of Troy Limited (11.32%), NACCO Industries, Inc. (0.57%), RYTHM, Inc. (2.30%), Ideal Power Inc. (0.51%), Broadwind Energy, Inc. (0.40%), CVD Equipment Corporation (0.63%), Fuel Tech, Inc. (0.41%), Pioneer Power Solutions, Inc. (1.85%), Dakota Active Equity ETF (0.00%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($77.25 billion), Invesco QQQ ($30.38 billion), iShares Russell 2000 ETF ($22.66 billion), iShares 20+ Year Treasury Bond ETF ($13.15 billion), AppLovin Corporation ($10.29 billion), SPDR S&P Biotech ETF ($9.89 billion), Palo Alto Networks, Inc. ($8.34 billion), Carvana Co. ($6.40 billion), Western Digital Corporation ($5.39 billion), and iShares MSCI EAFE ETF ($5.36 billion). View all of the most shorted stocks.

Short selling IRBT is an investing strategy that aims to generate trading profit from iRobot as its price is falling. 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 iRobot 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 IRBT, 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 IRBT, twice per month. The most recent reporting period available is December, 15 2025.

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

  • 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.


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This page (NASDAQ:IRBT) was last updated on 5/22/2026 by MarketBeat.com Staff.
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