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BigBear.ai (BBAI) Short Interest Ratio & Short Volume

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$2.80 -0.01 (-0.18%)
As of 02:23 PM Eastern
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BigBear.ai Short Interest Overview

As of September 15, 2026, BigBear.ai (BBAI) had a short interest of 150.12 million shares sold short, representing 31.49% of the public float. This marks a 3.23% increase in short interest since the prior report. The short interest ratio (days to cover) is 10.0, meaning it would take 10.0 days of the average trading volume of 38.53 million shares to cover all short positions.

Current Short Interest
150,124,548 shares
Previous Short Interest
145,426,949 shares
Change Vs. Previous Month
3.23%
Dollar Volume Sold Short
$424.10 million
Short Interest Ratio
10.0 Days to Cover
Last Record Date
September 15, 2026
Outstanding Shares
479,490,000 shares
Short Percent of Float
31.49%
Today's Trading Volume
7,396,575 shares
Average Trading Volume
38,532,777 shares
Today's Volume Vs. Average
19%
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

BBAI Short Interest Over Time

BBAI Days to Cover Over Time

BBAI Percentage of Float Shorted Over Time

BigBear.ai 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
9/15/2026150,124,548 shares $424.10 million +3.2%31.5%9.98 $2.83
8/31/2026145,426,949 shares $456.64 million -0.6%30.5%8.05 $3.14
8/14/2026146,343,143 shares $479.27 million -0.8%30.7%6.4 $3.28
7/31/2026147,452,014 shares $410.65 million +1.1%30.9%5.67 $2.79
7/15/2026145,808,992 shares $458.57 million +4.6%30.6%5.76 $3.15
6/30/2026139,438,236 shares $513.83 million +0.9%29.3%4.33 $3.69
6/15/2026138,136,044 shares $558.76 million +7.7%29.0%3.24 $4.05
5/29/2026128,210,293 shares $649.64 million +2.6%26.9%2.32 $5.07
5/15/2026124,930,282 shares $510.34 million -11.3%26.2%2.97 $4.09
4/30/2026140,885,354 shares $560.02 million +17.6%29.6%3.62 $3.98
4/15/2026119,801,563 shares $455.01 million -3.8%25.2%5.01 $3.80
3/31/2026124,579,402 shares $438.52 million -3.6%26.2%4.09 $3.52
3/13/2026129,235,820 shares $507.25 million -3.4%27.3%2.93 $3.93
2/27/2026133,801,576 shares $529.45 million +1.0%28.1%3.66 $3.96
2/13/2026132,489,097 shares $541.22 million +9.7%27.8%2.21 $4.09
1/30/2026120,746,980 shares $607.36 million +17.9%27.8%1.32 $5.03
1/15/2026102,388,143 shares $633.78 million -4.7%23.6%1.33 $6.19
12/31/2025107,434,715 shares $581.22 million +15.1%24.7%1.22 $5.41
12/15/202593,362,261 shares $557.84 million +1.5%21.5%0.86 $5.98
11/28/202591,976,936 shares $581.75 million -12.4%21.2%1.01 $6.33
11/14/2025104,972,778 shares $635.61 million +32.2%24.2%1.07 $6.06
10/31/202579,410,760 shares $548.41 million +3.5%18.3%0.46 $6.91
10/15/202576,750,000 shares $651.99 million -3.5%18.0%0.8 $8.50
9/30/202579,540,000 shares $518.20 million +1.5%22.0%0.9 $6.52
9/15/202578,370,000 shares $399.30 million +7.7%21.7%0.7 $5.10
8/31/202572,750,000 shares $368.41 million -3.7%20.3%0.6 $5.06
8/15/202575,520,000 shares $464.45 million +11.0%21.1%0.6 $6.15
7/31/202568,040,000 shares $431.03 million -1.5%24.2%0.5 $6.34
7/15/202569,090,000 shares $491.58 million -9.5%24.6%0.5 $7.12
6/30/202576,360,000 shares $521.54 million -2.7%27.2%0.7 $6.83
6/15/202578,440,000 shares $291.40 million +20.7%27.9%0.9 $3.72
5/31/202564,990,000 shares $271.66 million +8.0%23.1%1 $4.18
5/15/202560,200,000 shares $220.33 million -1.9%21.4%1.1 $3.66
4/30/202561,370,000 shares $208.66 million +10.4%21.9%1 $3.40
4/15/202555,610,000 shares $143.20 million +8.7%19.9%0.9 $2.58
3/31/202551,150,000 shares $146.54 million +22.4%20.7%0.9 $2.87
3/15/202541,800,000 shares $146.93 million +8.8%17.1%0.7 $3.52
2/28/202538,420,000 shares $199.25 million +2.3%17.2%0.6 $5.19
2/15/202537,570,000 shares $338.84 million -4.0%21.7%0.6 $9.02
1/31/202539,130,000 shares $165.44 million +4.6%22.6%0.8 $4.23
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1/15/202537,420,000 shares $126.48 million +10.5%20.9%1.2 $3.38
12/31/202433,880,000 shares $150.77 million +101.2%18.9%1.2 $4.45
12/15/202416,840,000 shares $42.44 million -3.9%9.7%0.9 $2.52
11/30/202417,520,000 shares $40.12 million -13.2%13.3%1.5 $2.29
11/15/202420,190,000 shares $34.52 million -2.0%18.7%3.7 $1.71
10/31/202420,610,000 shares $32.87 million -0.1%20.4%3.9 $1.60
10/15/202420,630,000 shares $36.21 million -2.8%20.7%4.4 $1.76
9/30/202421,230,000 shares $31.00 million -3.2%21.6%4.9 $1.46
9/15/202421,930,000 shares $34.65 million -4.8%22.4%4.9 $1.58
8/31/202423,040,000 shares $36.63 million +9.4%23.9%5 $1.59
8/15/202421,060,000 shares $27.17 million +26.4%21.8%4.4 $1.29
7/31/202416,660,000 shares $25.24 million -7.1%17.5%4.9 $1.52
7/15/202417,940,000 shares $27.90 million +3.6%18.9%4.6 $1.56
6/30/202417,320,000 shares $26.15 million -0.5%18.3%4.2 $1.51
6/15/202417,400,000 shares $23.66 million +1.3%17.6%3.6 $1.36
5/31/202417,180,000 shares $25.94 million +6.8%17.3%2.2 $1.51
5/15/202416,080,000 shares $27.18 million +11.6%16.2%1.3 $1.69
4/30/202414,410,000 shares $24.06 million +20.0%N/A1.1 $1.67
4/15/202412,010,000 shares $18.92 million -29.1%N/A1 $1.58
3/31/202416,930,000 shares $34.71 million +19.6%N/A1.4 $2.05
3/15/202414,160,000 shares $34.69 million +21.3%27.7%1.3 $2.45
2/29/202411,670,000 shares $39.15 million +19.1%7.4%1.4 $3.36
2/15/20249,800,000 shares $22.05 million +6.4%19.5%2.7 $2.25
1/31/20249,210,000 shares $14.92 million +4.0%18.3%3.8 $1.62
1/15/20248,860,000 shares $17.72 million +27.3%18.8%3.7 $2.00
12/31/20236,960,000 shares $14.89 million -12.2%14.8%3.3 $2.14
12/15/20237,930,000 shares $15.19 million +2.9%16.9%4 $1.92
11/30/20237,710,000 shares $13.15 million +5.0%16.6%4 $1.71
11/15/20237,340,000 shares $14.17 million +5.3%15.8%3.3 $1.93
10/31/20236,970,000 shares $8.82 million -13.7%15.1%3.1 $1.27
10/15/20238,080,000 shares $10.58 million +14.3%17.5%3.2 $1.31
9/30/20237,070,000 shares $10.68 million +2.9%14.6%2.4 $1.51
9/15/20236,870,000 shares $11.30 million -5.1%14.2%2 $1.65
8/31/20237,240,000 shares $11.87 million +7.1%15.2%1.6 $1.64
8/15/20236,760,000 shares $10.88 million +37.4%14.2%1.4 $1.61
7/31/20234,920,000 shares $9.89 million +24.6%10.4%0.9 $2.01
7/15/20233,950,000 shares $8.02 million +29.5%8.4%0.6 $2.03
6/30/20233,050,000 shares $7.15 million -7.9%7.9%0.4 $2.35
6/15/20233,310,000 shares $8.47 million -13.6%8.5%0.4 $2.56
5/31/20233,830,000 shares $8.46 million +14.0%10.6%0.4 $2.21
5/15/20233,360,000 shares $8.50 million +9.5%10.7%0.4 $2.53
4/30/20233,070,000 shares $8.90 million -19.2%11.8%0.3 $2.90
4/15/20233,800,000 shares $12.20 million +4.1%14.7%0.3 $3.21
3/31/20233,650,000 shares $8.91 million +11.6%48.4%0.3 $2.44
3/15/20233,270,000 shares $5.82 million +184.4%43.0%0.4 $1.78
2/28/20231,150,000 shares $3.38 million -61.7%14.2%0.2 $2.94
2/15/20233,000,000 shares $12.72 million +325.4%37.1%0.4 $4.24
1/31/2023705,200 shares $2.31 million +64.3%9.8%0.1 $3.27
1/15/2023429,200 shares $1.03 million -12.3%5.7%0.2 $2.39
12/30/2022489,600 shares $329.84 thousand -6.7%6.5%4 $0.67
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12/15/2022524,700 shares $450.66 thousand -9.8%4.5%0.5 $0.86
11/30/2022581,800 shares $564.35 thousand +5.3%5.0%0.5 $0.97
11/15/2022552,800 shares $580.44 thousand -1.3%4.8%0.5 $1.05
10/31/2022560,200 shares $756.27 thousand +2.4%4.8%0.5 $1.35
10/15/2022547,000 shares $711.10 thousand -9.2%4.7%0.4 $1.30
9/30/2022602,200 shares $945.45 thousand +25.2%5.2%0.4 $1.57
9/15/2022481,200 shares $726.61 thousand +4.0%4.2%1.1 $1.51
8/31/2022462,600 shares $712.40 thousand -32.0%3.7%1 $1.54
8/15/2022679,800 shares $1.33 million +45.7%5.5%1.4 $1.96
7/31/2022466,700 shares $1.19 million +29.5%4.0%1.1 $2.54
7/15/2022360,500 shares $1.30 million +3.1%3.1%1.4 $3.61
6/30/2022349,700 shares $1.29 million -31.5%3.0%0.5 $3.68
6/15/2022510,300 shares $2.07 million -50.5%4.4%0.6 $4.06
5/31/20221,030,000 shares $5.49 million +47.8%28.5%1.2 $5.33
5/15/2022696,900 shares $5.32 million -11.1%25.2%0.8 $7.64
4/30/2022783,800 shares $7.85 million -21.1%6.8%0.9 $10.01
4/15/2022993,400 shares $12.55 million +106.8%7.9%1.2 $12.63
3/31/2022480,400 shares $3.96 million -47.0%3.8%0.7 $8.24
3/15/2022906,100 shares $7.39 million +64.7%7.2%3.6 $8.16
2/28/2022550,100 shares $3.18 million -4.6%4.3%2.3 $5.78
2/15/2022576,800 shares $3.00 million +10.6%4.5%1.8 $5.20
1/31/2022521,600 shares $2.67 million +15.7%4.1%1.3 $5.11
1/15/2022450,900 shares $2.14 million -0.4%3.5%1 $4.75
12/31/2021452,500 shares $2.56 million No Change3.6%0.9 $5.66

BBAI Short Interest - Frequently Asked Questions

Short interest is the volume of BigBear.ai shares that have been sold short but have not yet been closed out or covered. As of September 15th, investors have sold 150,124,548 shares of BBAI short. 31.49% of BigBear.ai's shares are currently sold short. Learn More on BigBear.ai'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. BBAI shares currently have a short interest ratio of 10.0. Learn More on BigBear.ai'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. 31.49% of BigBear.ai's floating shares are currently sold short.

BigBear.ai saw a increase in short interest in September. As of September 15th, there was short interest totaling 150,124,548 shares, an increase of 3.2% from the previous total of 145,426,949 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.

31.49% of BigBear.ai's shares are currently sold short. Here is how the short interest of companies in the sector of "technology" compare to BigBear.ai: Palantir Technologies Inc. (2.77%), C3.ai, Inc. (32.88%), Kyndryl Holdings, Inc. (14.52%), Formula Systems (1985) Ltd. (0.00%), DXC Technology Company. (15.25%), Mega Fortune Company Limited (0.35%), Globant S.A. (25.99%), ASGN Incorporated (10.33%), Rackspace Technology, Inc. (10.88%), Grid Dynamics Holdings, Inc. (5.97%),

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 BBAI is an investing strategy that aims to generate trading profit from BigBear.ai as its price is falling. BBAI shares are trading up $0.03 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 BigBear.ai 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 BBAI, 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 BBAI, 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 BBAI:

  • 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 data for NYSE:BBAI 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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