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Standard BioTools (LAB) Short Interest Ratio & Short Volume

Standard BioTools logo
$0.69 +0.02 (+2.85%)
Closing price 10/9/2026 04:00 PM Eastern
Extended Trading
$0.71 +0.02 (+3.57%)
As of 10/9/2026 07:38 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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Standard BioTools Short Interest Overview

As of September 30, 2026, Standard BioTools (LAB) had a short interest of 2.52 million shares sold short, representing 0.88% of the public float. This marks a -2.80% decrease in short interest since the prior report. The short interest ratio (days to cover) is 2.7, meaning it would take 2.7 days of the average trading volume of 1.06 million shares to cover all short positions.

Current Short Interest
2,520,686 shares
Previous Short Interest
2,593,308 shares
Change Vs. Previous Month
-2.80%
Dollar Volume Sold Short
$1.87 million
Short Interest Ratio
2.7 Days to Cover
Last Record Date
September 30, 2026
Outstanding Shares
392,579,000 shares
Short Percent of Float
0.88%
Today's Trading Volume
649,202 shares
Average Trading Volume
1,064,500 shares
Today's Volume Vs. Average
61%
Short Selling Standard BioTools?
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

LAB Short Interest Over Time

LAB Days to Cover Over Time

LAB Percentage of Float Shorted Over Time

Standard BioTools 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
9/30/20262,520,686 shares $1.87 million -2.8%0.9%2.72 $0.74
9/15/20262,593,308 shares $1.79 million -13.0%0.9%1.44 $0.69
8/31/20262,979,028 shares $1.96 million +23.9%1.0%1.75 $0.66
8/14/20262,405,258 shares $1.71 million -10.7%0.8%2.16 $0.71
7/31/20262,694,489 shares $2.34 million +21.7%0.9%1.34 $0.87
7/15/20262,213,551 shares $1.86 million -35.4%0.8%0.72 $0.84
6/30/20263,425,003 shares $2.82 million -65.9%1.2%0.5 $0.82
6/15/202610,029,339 shares $8.51 million -23.6%3.5%2.03 $0.85
5/29/202613,127,631 shares $15.10 million +1.6%4.6%5.91 $1.15
5/15/202612,920,309 shares $12.72 million +9.3%4.3%6.99 $0.98
4/30/202611,821,128 shares $10.98 million +39.4%3.9%4.25 $0.93
4/15/20268,479,342 shares $8.29 million -17.8%3.0%2.38 $0.98
3/31/202610,319,954 shares $9.49 million +24.6%3.6%5.59 $0.92
3/13/20268,281,198 shares $7.72 million -18.5%2.8%2.54 $0.93
2/27/202610,159,609 shares $11.48 million -3.2%3.4%5.94 $1.13
2/13/202610,493,665 shares $11.75 million +7.2%3.7%8.03 $1.12
1/30/20269,788,254 shares $13.70 million -4.0%3.3%9.2 $1.40
1/15/202610,191,929 shares $16.10 million -1.1%3.4%5.24 $1.58
12/31/202510,301,667 shares $13.19 million -1.7%3.5%6.16 $1.28
12/15/202510,478,841 shares $15.82 million -4.1%3.5%8.62 $1.51
11/28/202510,921,071 shares $16.49 million -7.9%3.7%3.9 $1.51
11/14/202511,856,210 shares $14.70 million +3.5%4.0%7.3 $1.24
10/31/202511,453,426 shares $13.74 million -3.3%3.9%6.39 $1.20
10/15/202511,840,000 shares $16.64 million -1.7%3.2%9 $1.41
9/30/202512,050,000 shares $15.67 million +0.5%3.3%9.2 $1.30
9/15/202511,990,000 shares $16.43 million -1.5%3.3%8.2 $1.37
8/31/202512,170,000 shares $15.33 million -3.0%3.3%6.9 $1.26
8/15/202512,540,000 shares $15.42 million +4.4%3.4%7 $1.23
7/31/202512,010,000 shares $15.97 million -2.7%3.3%6.5 $1.33
7/15/202512,340,000 shares $15.05 million -4.1%3.4%6.8 $1.22
6/30/202512,870,000 shares $15.44 million -20.4%3.5%7.4 $1.20
6/15/202516,160,000 shares $16.97 million -5.2%4.4%9.8 $1.05
5/31/202517,040,000 shares $17.64 million -2.6%4.7%12.9 $1.04
5/15/202517,490,000 shares $18.36 million -5.2%4.8%10.6 $1.05
4/30/202518,440,000 shares $20.47 million +6.8%5.0%11.3 $1.11
4/15/202517,260,000 shares $19.85 million -2.4%4.7%9.9 $1.15
3/31/202517,680,000 shares $19.09 million +12.4%4.8%9.1 $1.08
3/15/202515,730,000 shares $17.93 million +11.0%4.3%8.2 $1.14
2/28/202514,170,000 shares $15.09 million +5.0%3.9%7.4 $1.07
2/15/202513,500,000 shares $19.04 million +5.1%3.8%7.8 $1.41
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1/31/202512,850,000 shares $19.92 million -3.5%3.6%7 $1.55
1/15/202513,320,000 shares $26.91 million -1.5%3.7%6.8 $2.02
12/31/202413,520,000 shares $23.66 million +1.6%3.8%7.6 $1.75
12/15/202413,310,000 shares $25.42 million -3.3%3.7%7.4 $1.91
11/30/202413,770,000 shares $25.34 million -6.2%3.8%7.7 $1.84
11/15/202414,680,000 shares $23.19 million -24.9%4.1%7.9 $1.58
10/31/202419,540,000 shares $38.30 million -8.4%5.4%10 $1.96
10/15/202421,330,000 shares $40.31 million +0.2%5.9%10.4 $1.89
9/30/202421,290,000 shares $41.09 million -4.3%5.9%9.3 $1.93
9/15/202422,250,000 shares $45.84 million +0.1%6.2%7 $2.06
8/31/202422,230,000 shares $47.35 million +2.0%6.2%6.8 $2.13
8/15/202421,800,000 shares $39.24 million +12.3%6.1%6.5 $1.80
7/31/202419,410,000 shares $43.48 million -0.2%5.4%5.9 $2.24
7/15/202419,450,000 shares $41.04 million +55.6%5.4%6.2 $2.11
6/30/202412,500,000 shares $22.13 million -6.2%3.4%3.9 $1.77
6/15/202413,326,800 shares $28.65 million +0.4%3.7%4.9 $2.15
5/31/202413,270,000 shares $32.91 million +9.8%3.5%5.3 $2.48
5/15/202412,090,000 shares $30.59 million +5.9%3.3%4.8 $2.53
4/30/202411,420,000 shares $28.32 million +1.2%3.1%5 $2.48
4/15/202411,280,000 shares $31.25 million +10.3%3.1%5.5 $2.77
3/31/202410,230,000 shares $27.72 million +10.5%2.7%4.7 $2.71
3/15/20249,260,000 shares $24.26 million +16.9%3.3%5 $2.62
2/29/20247,920,000 shares $17.82 million -1.7%2.8%4.8 $2.25
2/15/20248,060,000 shares $20.15 million +10.4%2.9%5.8 $2.50
1/31/20247,300,000 shares $16.57 million -4.8%2.6%5.7 $2.27
1/15/20247,670,000 shares $16.49 million +33.2%2.7%6.6 $2.15
12/31/20235,760,000 shares $12.73 million +11.2%2.0%5.9 $2.21
12/15/20235,180,000 shares $10.31 million +26.0%6.6%6.7 $1.99
11/30/20234,110,000 shares $10.60 million +13.9%5.1%6.3 $2.58
11/15/20233,610,000 shares $7.94 million +6.5%4.7%5.7 $2.20
10/31/20233,390,000 shares $6.75 million -18.7%4.4%5.8 $1.99
10/15/20234,170,000 shares $6.63 million +18.5%5.4%8 $1.59
9/30/20233,520,000 shares $10.21 million +28.5%4.6%9.1 $2.90
9/15/20232,740,000 shares $7.70 million +7.5%3.6%10.7 $2.81
8/31/20232,550,000 shares $7.65 million -2.7%3.3%11.1 $3.00
8/15/20232,620,000 shares $7.52 million +4.8%3.4%10 $2.87
7/31/20232,500,000 shares $6.13 million -4.6%3.3%9.1 $2.45
7/15/20232,620,000 shares $6.16 million -1.9%3.4%9 $2.35
6/30/20232,670,000 shares $5.15 million -4.3%3.5%9.3 $1.93
6/15/20232,790,000 shares $6.17 million +0.4%3.7%9.3 $2.21
5/31/20232,780,000 shares $6.53 million -12.0%3.7%9.1 $2.35
5/15/20233,160,000 shares $6.00 million -2.8%4.2%11.5 $1.90
4/30/20233,250,000 shares $5.53 million +2.5%4.3%14.2 $1.70
4/15/20233,170,000 shares $5.71 million +18.7%4.1%13.9 $1.80
3/31/20232,670,000 shares $5.21 million +2.7%3.5%10.6 $1.95
3/15/20232,600,000 shares $5.36 million -15.0%3.4%10.6 $2.06
2/28/20233,060,000 shares $5.57 million +12.9%4.0%12.3 $1.82
2/15/20232,710,000 shares $5.69 million -6.9%3.5%11.1 $2.10
1/31/20232,910,000 shares $5.82 million -2.0%3.8%11.4 $2.00
1/15/20232,970,000 shares $5.94 million -8.9%3.8%11.4 $2.00
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12/30/20223,260,000 shares $3.81 million -3.3%4.2%13.4 $1.17
12/15/20223,370,000 shares $4.58 million +2.7%4.4%14 $1.36
11/30/20223,280,000 shares $4.56 million -4.9%4.2%12.2 $1.39
11/15/20223,450,000 shares $5.24 million +0.3%4.5%11.2 $1.52
10/31/20223,440,000 shares $4.06 million -5.0%4.5%9.6 $1.18
10/15/20223,620,000 shares $3.73 million +0.3%4.7%8.4 $1.03
9/30/20223,610,000 shares $3.97 million -5.5%4.7%7.7 $1.10
9/15/20223,820,000 shares $5.04 million +11.7%5.0%5 $1.32
8/31/20223,420,000 shares $4.82 million -14.3%4.5%4.2 $1.41
8/15/20223,990,000 shares $8.22 million -18.1%5.2%3.8 $2.06
7/31/20224,870,000 shares $7.06 million +0.4%6.5%4.2 $1.45
7/15/20224,850,000 shares $7.32 million No Change6.4%4.1 $1.51

LAB Short Interest - Frequently Asked Questions

Short interest is the volume of Standard BioTools shares that have been sold short but have not yet been closed out or covered. As of September 30th, traders have sold 2,520,686 shares of LAB short. 0.88% of Standard BioTools' shares are currently sold short. Learn More on Standard BioTools' 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. LAB shares currently have a short interest ratio of 2.7. Learn More on Standard BioTools'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. 0.88% of Standard BioTools' floating shares are currently sold short.

Standard BioTools saw a decline in short interest in September. As of September 30th, there was short interest totaling 2,520,686 shares, a decline of 2.8% from the previous total of 2,593,308 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.

0.88% of Standard BioTools' shares are currently sold short. Here is how the short interest of companies in the industry of "life sciences tools & services" compare to Standard BioTools: CryoPort, Inc. (5.15%), Ginkgo Bioworks Holdings, Inc. (12.44%), Pacific Biosciences of California, Inc. (15.78%), Mesa Laboratories, Inc. (8.22%), Cytek Biosciences, Inc. (4.48%), OmniAb, Inc. (6.28%), Evotec AG (0.01%), Alpha Teknova, Inc. (3.51%), Simulations Plus, Inc. (17.60%), Quantum-Si Incorporated (6.93%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($75.10 billion), Invesco QQQ ($52.12 billion), iShares Russell 2000 ETF ($25.28 billion), SPDR S&P Biotech ETF ($11.70 billion), Nebius Group N.V. ($10.54 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($9.69 billion), iShares iBoxx $ High Yield Corporate Bond ETF ($9.22 billion), iShares 20+ Year Treasury Bond ETF ($8.80 billion), Financial Select Sector SPDR Fund ($7.65 billion), and Lumentum Holdings Inc. ($7.23 billion). View all of the most shorted stocks.

Short selling LAB is an investing strategy that aims to generate trading profit from Standard BioTools as its price is falling. LAB shares are trading up $0.02 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 Standard BioTools 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 LAB, 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 LAB, twice per month. The most recent reporting period available is September, 30 2026.

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

  • 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 NASDAQ:LAB is sourced from the Financial Industry Regulatory Authority (FINRA), with the most recent report published on 10/9/2026. FINRA publishes updated short interest twice a month.
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