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Joby Aviation (JOBY) Short Interest Ratio & Short Volume

Joby Aviation logo
$5.98 -0.13 (-2.06%)
Closing price 09/29/2026 03:59 PM Eastern
Extended Trading
$6.02 +0.03 (+0.52%)
As of 09/29/2026 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 Massive. Learn more.
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Joby Aviation Short Interest Overview

As of September 15, 2026, Joby Aviation (JOBY) had a short interest of 124.30 million shares sold short, representing 15.78% of the public float. This marks a 9.72% increase in short interest since the prior report. The short interest ratio (days to cover) is 4.4, meaning it would take 4.4 days of the average trading volume of 24.32 million shares to cover all short positions.

Current Short Interest
124,304,655 shares
Previous Short Interest
113,291,836 shares
Change Vs. Previous Month
9.72%
Dollar Volume Sold Short
$761.37 million
Short Interest Ratio
4.4 Days to Cover
Last Record Date
September 15, 2026
Outstanding Shares
989,120,000 shares
Short Percent of Float
15.78%
Today's Trading Volume
24,034,207 shares
Average Trading Volume
24,319,104 shares
Today's Volume Vs. Average
99%
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

JOBY Short Interest Over Time

JOBY Days to Cover Over Time

JOBY Percentage of Float Shorted Over Time

Joby Aviation 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
9/15/2026124,304,655 shares $761.37 million +9.7%15.8%4.42 $6.13
8/31/2026113,291,836 shares $773.78 million +10.9%14.4%4.93 $6.83
8/14/2026102,159,688 shares $809.62 million -5.6%13.0%2.99 $7.93
7/31/2026108,255,624 shares $774.57 million -1.4%13.8%2.08 $7.16
7/15/2026109,764,445 shares $851.22 million +10.0%14.0%2.43 $7.76
6/30/202699,792,462 shares $891.85 million -0.9%14.2%2.06 $8.94
6/15/2026100,738,148 shares $975.65 million +13.3%14.3%3.29 $9.69
5/29/202688,954,902 shares $1.06 billion +4.6%13.4%2.9 $11.87
5/15/202685,056,789 shares $881.61 million -7.5%12.1%2.42 $10.37
4/30/202691,982,541 shares $845.96 million +11.9%13.9%3.26 $9.20
4/15/202682,213,642 shares $751.02 million -5.2%11.7%3.96 $9.14
3/31/202686,681,968 shares $716.43 million +2.4%11.1%3.82 $8.27
3/13/202684,649,491 shares $820.68 million +8.8%13.7%3.44 $9.70
2/27/202677,809,124 shares $783.69 million -1.2%12.6%3.19 $10.07
2/13/202678,722,690 shares $779.04 million +4.5%11.8%2.66 $9.90
1/30/202675,337,432 shares $796.32 million +33.6%12.2%2.08 $10.57
1/15/202656,373,176 shares $860.99 million +0.4%9.1%2.01 $15.27
12/31/202556,170,718 shares $742.02 million -1.3%9.1%3.44 $13.21
12/15/202556,920,824 shares $806.06 million -1.3%9.2%3.48 $14.16
11/28/202557,672,644 shares $833.08 million -8.2%9.4%3.14 $14.45
11/14/202562,837,620 shares $904.74 million +11.1%10.2%1.74 $14.40
10/31/202556,568,158 shares $981.57 million -6.1%9.8%1.2 $17.35
10/15/202560,260,000 shares $1.06 billion +0.5%12.4%1.5 $17.59
9/30/202559,960,000 shares $967.45 million +5.6%12.8%1.5 $16.14
9/15/202556,800,000 shares $802.30 million +3.1%11.9%1.5 $14.13
8/31/202555,070,000 shares $780.56 million +7.5%11.6%1.6 $14.17
8/15/202551,250,000 shares $849.73 million -11.4%11.5%1.5 $16.58
7/31/202557,860,000 shares $961.52 million -12.6%13.4%1.8 $16.62
7/15/202566,160,000 shares $921.94 million +3.8%14.8%2.4 $13.94
6/30/202563,750,000 shares $670.65 million -2.2%14.2%3 $10.52
6/15/202565,170,000 shares $560.40 million -0.1%14.6%3.6 $8.60
5/31/202565,240,000 shares $509.52 million +7.8%14.6%4.1 $7.81
5/15/202560,550,000 shares $433.54 million -7.9%13.9%5.1 $7.16
4/30/202565,740,000 shares $414.82 million -9.2%15.1%5.4 $6.31
4/15/202572,410,000 shares $424.68 million +3.7%16.7%6.1 $5.87
3/31/202569,820,000 shares $422.06 million +9.4%16.2%5.5 $6.05
3/15/202563,820,000 shares $398.56 million -0.9%14.8%4.6 $6.25
2/28/202564,410,000 shares $450.55 million +1.2%14.9%4.3 $7.00
2/15/202563,650,000 shares $499.97 million +6.6%15.2%3.8 $7.86
1/31/202559,700,000 shares $493.42 million -3.6%13.4%3.4 $8.27
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1/15/202561,910,000 shares $501.47 million -6.5%14.1%3.1 $8.10
12/31/202466,180,000 shares $538.04 million -8.3%15.0%3.5 $8.13
12/15/202472,190,000 shares $561.64 million -4.9%16.4%3.9 $7.78
11/30/202475,900,000 shares $679.31 million +3.7%17.4%4.7 $8.95
11/15/202473,190,000 shares $419.38 million -6.2%16.8%5.2 $5.73
10/31/202478,060,000 shares $374.69 million +4.0%18.7%7.1 $4.80
10/15/202475,080,000 shares $406.93 million +6.1%19.5%9.5 $5.42
9/30/202470,740,000 shares $355.82 million -0.3%18.3%8.7 $5.03
9/15/202470,940,000 shares $385.20 million -6.5%18.1%10.3 $5.43
8/31/202475,870,000 shares $379.35 million -4.1%19.4%11.1 $5.00
8/15/202479,100,000 shares $413.30 million +6.7%20.4%12 $5.23
7/31/202474,110,000 shares $443.92 million +2.9%19.3%11.1 $5.99
7/15/202472,010,000 shares $501.19 million -0.6%19.0%11.5 $6.96
6/30/202472,410,000 shares $369.29 million -4.4%19.2%14.3 $5.10
6/15/202475,740,000 shares $369.61 million -4.1%20.0%16.9 $4.88
5/31/202478,980,000 shares $385.03 million +2.1%21.0%17.4 $4.88
5/15/202477,380,000 shares $397.35 million -2.0%20.6%16.3 $5.14
4/30/202478,970,000 shares $398.40 million +2.8%21.0%15.5 $5.05
4/15/202476,830,000 shares $359.56 million -0.1%20.6%15.5 $4.68
3/31/202476,910,000 shares $412.24 million +4.2%20.6%15.5 $5.36
3/15/202473,840,000 shares $375.48 million +4.5%19.8%14.7 $5.09
2/29/202470,680,000 shares $395.81 million -3.7%19.1%14 $5.60
2/15/202473,400,000 shares $467.19 million -1.0%20.0%14.7 $6.37
1/31/202474,140,000 shares $404.43 million +0.0%19.5%15.1 $5.46
1/15/202474,110,000 shares $436.51 million +0.6%19.4%13.8 $5.89
12/31/202373,700,000 shares $490.11 million +1.3%19.3%13.1 $6.65
12/15/202372,740,000 shares $499.72 million -1.8%19.0%12.8 $6.87
11/30/202374,080,000 shares $441.89 million +7.6%19.4%12.9 $5.97
11/15/202368,860,000 shares $422.46 million +2.4%18.1%12.4 $6.14
10/31/202367,240,000 shares $353.68 million +6.5%17.7%12.6 $5.26
10/15/202363,110,000 shares $392.54 million +5.6%16.8%11.6 $6.22
9/30/202359,740,000 shares $385.32 million +10.5%15.9%9.3 $6.45
9/15/202354,080,000 shares $353.68 million +4.6%14.4%5.6 $6.54
8/31/202351,680,000 shares $385.53 million +0.6%13.7%5.2 $7.46
8/15/202351,390,000 shares $385.43 million +3.7%14.9%5 $7.50
7/31/202349,570,000 shares $443.65 million +8.2%14.4%4.8 $8.95
7/15/202345,820,000 shares $451.33 million -3.2%14.6%4.7 $9.85
6/30/202347,340,000 shares $485.71 million +5.1%15.1%5.7 $10.26
6/15/202345,050,000 shares $357.47 million +9.5%14.4%10.1 $7.94
5/31/202341,140,000 shares $231.00 million +10.4%13.3%11.3 $5.62
5/15/202337,280,000 shares $183.04 million -4.0%12.1%11.7 $4.91
4/30/202338,820,000 shares $168.09 million +14.1%12.6%14.7 $4.33
4/15/202334,010,000 shares $134.34 million +2.1%11.1%13.1 $3.95
3/31/202333,300,000 shares $144.52 million +2.3%10.8%11.9 $4.34
3/15/202332,540,000 shares $123.33 million +4.2%10.5%11.1 $3.79
2/28/202331,240,000 shares $146.83 million +2.7%10.1%9.8 $4.70
2/15/202330,410,000 shares $140.49 million -9.8%10.0%9.6 $4.62
1/31/202333,710,000 shares $149.00 million -11.8%10.7%10.2 $4.42
1/15/202338,230,000 shares $160.95 million +2.0%12.1%12.1 $4.21
12/30/202237,470,000 shares $125.52 million +2.0%11.8%11 $3.35
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12/15/202236,740,000 shares $134.47 million +7.1%11.6%10.5 $3.66
11/30/202234,290,000 shares $141.27 million +7.5%11.1%10.2 $4.12
11/15/202231,900,000 shares $143.55 million +2.1%10.3%10 $4.50
10/31/202231,260,000 shares $150.67 million -3.4%10.1%8.7 $4.82
10/15/202232,370,000 shares $129.16 million +18.5%10.7%8.7 $3.99
9/30/202227,320,000 shares $118.30 million -7.6%9.0%7.5 $4.33
9/15/202229,580,000 shares $170.38 million -6.1%9.8%7.7 $5.76
8/31/202231,500,000 shares $166.95 million -2.3%10.5%7.2 $5.30
8/15/202232,230,000 shares $199.50 million -10.0%10.7%6.3 $6.19
7/31/202235,800,000 shares $198.33 million -4.6%11.9%6.3 $5.54
7/15/202237,520,000 shares $197.36 million -2.2%12.5%6.4 $5.26
6/30/202238,360,000 shares $188.35 million +18.6%12.7%6.1 $4.91
6/15/202232,350,000 shares $157.87 million -3.8%10.7%4.5 $4.88
5/31/202233,620,000 shares $198.36 million -8.7%11.3%5 $5.90
5/15/202236,810,000 shares $196.20 million +10.2%12.4%5.5 $5.33
4/30/202233,390,000 shares $174.96 million +3.8%11.3%4.8 $5.24
4/15/202232,170,000 shares $167.28 million +6.7%10.9%4.6 $5.20
3/31/202230,150,000 shares $199.59 million +10.9%10.3%4.4 $6.62
3/15/202227,180,000 shares $132.37 million -2.0%9.3%4.8 $4.87
2/28/202227,740,000 shares $142.58 million +5.2%9.5%5.4 $5.14
2/15/202226,370,000 shares $159.27 million +7.6%8.8%5.4 $6.04
1/31/202224,510,000 shares $101.72 million +73.8%8.1%6.5 $4.15
1/15/202214,100,000 shares $80.51 million +24.6%4.7%4.7 $5.71
12/31/202111,320,000 shares $82.64 million +9.4%4.2%4.5 $7.30
12/15/202110,350,000 shares $65.93 million +26.4%3.8%4 $6.37
11/30/20218,190,000 shares $64.95 million +28.0%3.0%2.7 $7.93
11/15/20216,400,000 shares $60.10 million -20.1%2.3%1.9 $9.39
10/29/20218,010,000 shares $69.53 million +0.8%3.5%2.3 $8.68
10/15/20217,950,000 shares $68.85 million +11.0%3.0%2.2 $8.66
9/30/20217,160,000 shares $72.03 million +72.5%2.7%2.1 $10.06

JOBY Short Interest - Frequently Asked Questions

Short interest is the volume of Joby Aviation shares that have been sold short but have not yet been closed out or covered. As of September 15th, traders have sold 124,304,655 shares of JOBY short. 15.78% of Joby Aviation's shares are currently sold short. Learn More on Joby Aviation'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. JOBY shares currently have a short interest ratio of 4.4. Learn More on Joby Aviation'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. 15.78% of Joby Aviation's floating shares are currently sold short.

Joby Aviation saw a increase in short interest in September. As of September 15th, there was short interest totaling 124,304,655 shares, an increase of 9.7% from the previous total of 113,291,836 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.

15.78% of Joby Aviation's shares are currently sold short. Here is how the short interest of companies in the sector of "industrials" compare to Joby Aviation: Archer Aviation Inc. (12.99%), Delta Air Lines, Inc. (4.02%), Uber Technologies, Inc. (2.33%), Southwest Airlines Co. (4.55%), LATAM Airlines Group S.A. (1.21%), American Airlines Group Inc. (13.94%), Copa Holdings, S.A. (3.61%), Alaska Air Group, Inc. (10.44%), SkyWest, Inc. (4.72%), Grupo Aeromexico (0.56%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($75.21 billion), Invesco QQQ ($46.31 billion), iShares Russell 2000 ETF ($27.98 billion), SPDR S&P Biotech ETF ($11.59 billion), Nebius Group N.V. ($9.70 billion), Canadian Natural Resources Limited ($9.42 billion), iShares 20+ Year Treasury Bond ETF ($8.70 billion), iShares iBoxx $ High Yield Corporate Bond ETF ($8.53 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($7.79 billion), and Financial Select Sector SPDR Fund ($7.74 billion). View all of the most shorted stocks.

Short selling JOBY is an investing strategy that aims to generate trading profit from Joby Aviation as its price is falling. JOBY shares are trading down $0.13 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 Joby Aviation 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 JOBY, 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 JOBY, twice per month. The most recent reporting period available is September, 15 2026.

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

  • 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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Short Interest Tools

Short interest data for NYSE:JOBY is sourced from the Financial Industry Regulatory Authority (FINRA), with the most recent report published on 9/24/2026. FINRA publishes updated short interest twice a month.
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