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ClearSign Technologies (CLIR) Short Interest Ratio & Short Volume

ClearSign Technologies logo
$0.53 -0.01 (-1.81%)
Closing price 04:00 PM Eastern
Extended Trading
$0.54 +0.01 (+1.47%)
As of 04:18 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 Polygon.io. Learn more.
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ClearSign Technologies Short Interest Data

ClearSign Technologies (CLIR) has a short interest of 226,000 shares, representing 0.45% of the float (the number of shares available for trading by the public). This marks a 2.12% increase in short interest from the previous month. The short interest ratio (days to cover) is 3.7, indicating that it would take 3.7 days of the average trading volume of 84,105 shares to cover all short positions.

Current Short Interest
226,000 shares
Previous Short Interest
221,300 shares
Change Vs. Previous Month
+2.12%
Dollar Volume Sold Short
$126.54 thousand
Short Interest Ratio
3.7 Days to Cover
Last Record Date
June 30, 2025
Outstanding Shares
52,420,000 shares
Short Percent of Float
0.45%
Today's Trading Volume
36,063 shares
Average Trading Volume
84,105 shares
Today's Volume Vs. Average
43%
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

CLIR Short Interest Over Time

CLIR Days to Cover Over Time

CLIR Percentage of Float Shorted Over Time

ClearSign Technologies Short Interest History

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Report DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date
6/30/2025226,000 shares $126.54 thousand +2.1%0.5%3.7 $0.56
6/15/2025221,300 shares $132.80 thousand +6.0%0.4%3.2 $0.60
5/31/2025208,800 shares $139.69 thousand -5.7%0.5%3 $0.67
5/15/2025221,400 shares $143.45 thousand +2.2%0.5%2.8 $0.65
4/30/2025216,600 shares $128.36 thousand -3.3%N/A2.6 $0.59
4/15/2025224,000 shares $132.18 thousand -2.7%0.5%2.5 $0.59
3/31/2025230,300 shares $172.73 thousand +5.4%0.6%2.1 $0.75
3/15/2025218,600 shares $176.02 thousand -4.2%0.5%1.8 $0.81
2/28/2025228,100 shares $173.08 thousand -15.2%0.5%1.7 $0.76
2/15/2025269,100 shares $269.10 thousand +9.5%0.6%1.8 $1.00
1/31/2025245,800 shares $299.88 thousand +2.9%N/A1.5 $1.22
1/15/2025239,000 shares $260.51 thousand -28.5%N/A1.4 $1.09
12/31/2024334,300 shares $481.39 thousand -1.6%N/A2.1 $1.44
12/15/2024339,700 shares $394.05 thousand +44.3%N/A2.8 $1.16
11/30/2024235,500 shares $277.89 thousand -5.1%N/A1.9 $1.18
11/15/2024248,100 shares $213.34 thousand -7.5%N/A2.3 $0.86
10/31/2024268,200 shares $231.32 thousand -3.2%N/A4.1 $0.86
10/15/2024277,100 shares $229.97 thousand -17.7%N/A6 $0.83
9/30/2024336,500 shares $285.99 thousand +27.2%N/A7.1 $0.85
9/15/2024264,600 shares $197.37 thousand -4.9%N/A3.6 $0.75
8/31/2024278,200 shares $208.62 thousand -8.5%N/A3.7 $0.75
8/15/2024304,000 shares $221.77 thousand +4.9%N/A3.8 $0.73
7/31/2024289,700 shares $249.14 thousand -7.0%N/A3.5 $0.86
7/15/2024311,500 shares $258.58 thousand -19.0%N/A3.3 $0.83
6/30/2024384,500 shares $320.79 thousand +20.8%N/A4.3 $0.83
6/15/2024318,400 shares $229.25 thousand +25.3%N/A5 $0.72
5/31/2024254,200 shares $210.96 thousand -1.8%N/A4.2 $0.83
5/15/2024258,900 shares $212.30 thousand -20.7%N/A4 $0.82
4/30/2024326,300 shares $257.81 thousand +5.0%N/A4.9 $0.79
4/15/2024310,700 shares $277.92 thousand -5.6%N/A5.2 $0.89
3/31/2024329,100 shares $317.58 thousand +0.9%N/A5.5 $0.97
3/15/2024326,300 shares $319.74 thousand -6.1%N/A4.7 $0.98
2/29/2024347,300 shares $444.54 thousand +0.9%N/A4.2 $1.28
2/15/2024344,200 shares $347.64 thousand -12.1%N/A3.2 $1.01
1/31/2024391,600 shares $387.68 thousand +2.9%N/A3.6 $0.99
1/15/2024380,600 shares $433.88 thousand +10.3%1.2%3.7 $1.14
12/31/2023345,000 shares $382.95 thousand -2.2%1.1%3.4 $1.11
12/15/2023352,900 shares $419.95 thousand -5.4%1.2%4 $1.19
11/30/2023373,200 shares $462.77 thousand +6.7%1.2%4.5 $1.24
11/15/2023349,700 shares $292.87 thousand -12.8%1.1%5.7 $0.84
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10/31/2023401,200 shares $326.98 thousand -3.3%1.3%8.2 $0.82
10/15/2023414,900 shares $435.65 thousand -7.4%1.4%8.3 $1.05
9/30/2023448,100 shares $488.43 thousand +10.1%1.5%8.9 $1.09
9/15/2023407,000 shares $373.99 thousand -7.8%1.3%7.8 $0.92
8/31/2023441,300 shares $507.50 thousand +5.6%1.4%9 $1.15
8/15/2023417,900 shares $409.29 thousand +4.9%1.4%7.2 $0.98
7/31/2023398,300 shares $521.77 thousand -8.6%1.3%6.3 $1.31
7/15/2023435,600 shares $592.42 thousand +6.0%1.4%7.1 $1.36
6/30/2023411,100 shares $538.54 thousand -2.8%1.3%6.2 $1.31
6/15/2023423,100 shares $520.41 thousand -4.8%1.4%6.7 $1.23
5/31/2023444,300 shares $679.78 thousand +21.8%1.5%7.6 $1.53
5/15/2023364,800 shares $435.94 thousand -2.2%1.2%8.6 $1.20
4/30/2023373,000 shares $395.38 thousand +7.5%1.2%11.7 $1.06
4/15/2023346,900 shares $336.18 thousand -5.1%1.1%11.4 $0.97
3/31/2023365,400 shares $291.59 thousand -0.6%1.2%11.6 $0.80
3/15/2023367,500 shares $279.30 thousand +0.1%1.2%10.2 $0.76
2/28/2023367,100 shares $296.21 thousand -2.0%1.2%7.3 $0.81
2/15/2023374,700 shares $288.52 thousand -1.9%1.2%7 $0.77
1/31/2023381,900 shares $282.64 thousand +4.3%1.3%6.7 $0.74
1/15/2023366,200 shares $248.91 thousand -11.0%1.2%6.2 $0.68
12/30/2022411,500 shares $220.56 thousand +5.6%1.4%6.9 $0.54
12/15/2022389,800 shares $262.69 thousand -3.7%1.3%7 $0.67
11/30/2022404,700 shares $277.75 thousand +2.4%1.3%8.2 $0.69
11/15/2022395,100 shares $269.66 thousand -3.4%1.3%9.3 $0.68
10/31/2022408,900 shares $338.90 thousand -6.2%1.4%8.8 $0.83
10/15/2022435,900 shares $342.75 thousand +2.0%1.4%8.9 $0.79
9/30/2022427,500 shares $392.45 thousand +5.3%1.4%8.2 $0.92
9/15/2022406,100 shares $507.63 thousand -3.1%1.4%8.2 $1.25
8/31/2022419,100 shares $414.91 thousand +0.4%1.4%8 $0.99
8/15/2022417,300 shares $475.72 thousand +0.7%1.5%7.1 $1.14
7/31/2022414,400 shares $414.40 thousand +0.4%1.5%7.6 $1.00
7/15/2022412,700 shares $480.01 thousand -3.2%1.4%8.4 $1.16
6/30/2022426,500 shares $516.07 thousand 0.0%2.1%8.8 $1.21
6/15/2022426,600 shares $469.26 thousand -5.4%2.1%7.3 $1.10
5/31/2022450,900 shares $554.61 thousand -3.0%1.6%7.7 $1.23
5/15/2022464,900 shares $571.83 thousand +2.6%1.8%6.7 $1.23
4/30/2022453,100 shares $593.56 thousand +4.1%1.8%6.5 $1.31
4/15/2022435,400 shares $622.62 thousand -5.3%1.7%5.5 $1.43
3/31/2022459,800 shares $749.47 thousand -29.3%1.8%5.6 $1.63
3/15/2022650,400 shares $819.50 thousand -8.2%2.6%7.8 $1.26
2/28/2022708,300 shares $899.54 thousand +46.5%2.8%7.3 $1.27
2/15/2022483,600 shares $575.48 thousand -3.9%1.9%3.7 $1.19
1/31/2022503,400 shares $619.18 thousand -8.1%2.0%1.1 $1.23
1/15/2022547,800 shares $723.10 thousand -7.9%N/A1.2 $1.32
12/31/2021594,900 shares $820.96 thousand +0.6%2.3%1.3 $1.38
12/15/2021591,500 shares $822.19 thousand -6.3%2.3%1.2 $1.39
11/30/2021631,200 shares $1.05 million +46.5%2.5%1.3 $1.66
11/15/2021430,800 shares $766.82 thousand -6.3%1.7%0.9 $1.78
10/29/2021459,800 shares $744.88 thousand -1.8%1.9%3 $1.62
10/15/2021468,400 shares $875.91 thousand -11.6%1.9%3.6 $1.87
This Cold War “Accident” Could Unleash New $100 Trillion AI Boom (Ad)

Obscure Metal More Valuable than Gold and Bitcoin… COMBINED? This strange "AI Metal" holds the key to the $100 trillion AI boom. Which is why Jeff Brown recently traveled to a location that has one of the highest concentrations of this metal in the world. And you won't believe what he uncovered.

Click here to see the details because this could be the biggest tech story of this decade.
9/30/2021529,800 shares $1.06 million -19.1%2.1%4.2 $2.00
9/15/2021655,100 shares $1.46 million +36.7%2.6%5.9 $2.23
8/31/2021479,100 shares $1.50 million +0.6%1.9%4.4 $3.14
8/13/2021476,100 shares $1.75 million -4.2%1.9%6.5 $3.67
7/30/2021497,100 shares $2.04 million -3.1%2.0%6.4 $4.10
7/15/2021512,900 shares $2.15 million +0.4%2.1%4.8 $4.20
6/30/2021510,700 shares $2.45 million -0.9%2.1%4 $4.80
6/15/2021515,400 shares $2.63 million -6.2%2.1%3 $5.10
5/28/2021549,600 shares $2.70 million -10.6%2.2%3 $4.92
5/14/2021614,600 shares $2.45 million +17.5%2.5%3 $3.99
4/30/2021522,900 shares $2.50 million +19.3%2.2%2.3 $4.78
4/15/2021438,500 shares $1.93 million -17.2%1.8%1.9 $4.40
3/31/2021529,800 shares $2.97 million -2.9%2.2%2.1 $5.60
3/15/2021545,500 shares $2.74 million -12.6%2.3%2.2 $5.03
2/26/2021624,300 shares $2.96 million +6.0%2.7%2.2 $4.74
2/12/2021589,100 shares $2.40 million -13.1%2.5%2.1 $4.08
1/29/2021678,200 shares $2.73 million -10.9%2.9%2.7 $4.02
1/15/2021761,500 shares $2.98 million +10.8%3.3%3.5 $3.91
12/31/2020687,000 shares $2.03 million -10.2%2.9%3.1 $2.96
12/15/2020765,200 shares $2.00 million -11.2%3.3%3.6 $2.62
11/30/2020861,500 shares $2.26 million -7.5%3.7%5.4 $2.62
11/15/2020931,400 shares $2.18 million -2.3%4.0%6 $2.34
10/30/2020953,300 shares $2.23 million -5.6%4.3%5.7 $2.34
10/15/20201,010,000 shares $2.57 million +3.2%4.5%5 $2.54
9/30/2020979,200 shares $2.21 million +0.3%4.3%4.4 $2.26
9/15/2020975,900 shares $2.45 million -5.3%4.2%3.4 $2.51
8/31/20201,030,000 shares $2.36 million No Change4.5%0.2 $2.29
8/14/20201,030,000 shares $2.42 million -14.2%5.0%0.2 $2.35
7/31/20201,200,000 shares $2.71 million -18.9%5.8%0.2 $2.26
7/15/20201,480,000 shares $3.12 million -16.4%7.2%0.3 $2.11

CLIR Short Interest - Frequently Asked Questions

What is ClearSign Technologies' current short interest?

Short interest is the volume of ClearSign Technologies shares that have been sold short but have not yet been covered or closed out. As of June 30th, traders have sold 226,000 shares of CLIR short. 0.45% of ClearSign Technologies' shares are currently sold short. Learn More on ClearSign Technologies' current short interest.

What is a good short interest ratio for ClearSign Technologies?

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. CLIR shares currently have a short interest ratio of 4.0. Learn More on ClearSign Technologies's short interest ratio.

What is a good short interest percentage for ClearSign Technologies?

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. 0.45% of ClearSign Technologies' floating shares are currently sold short.

Is ClearSign Technologies' short interest increasing or decreasing?

ClearSign Technologies saw a increase in short interest during the month of June. As of June 30th, there was short interest totaling 226,000 shares, an increase of 2.1% from the previous total of 221,300 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.

How does ClearSign Technologies' short interest compare to its competitors?

0.45% of ClearSign Technologies' shares are currently sold short. Here is how the short interest of companies in the industry of "measuring and control equipment" compare to ClearSign Technologies: Nautilus Biotechnology, Inc. (0.51%), Prenetics Global Limited (0.71%), inTEST Co. (0.67%), Optex Systems Holdings Inc. (0.55%), Odysight.ai Inc. (0.00%), Akoya Biosciences, Inc. (12.67%), Singular Genomics Systems, Inc. (2.91%), Syntec Optics Holdings, Inc. (0.44%), Autoscope Technologies Co. (0.03%), Data I/O Corporation (0.22%),

Which stocks are the most shorted right now?

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($72.10 billion), Invesco QQQ ($26.89 billion), iShares Russell 2000 ETF ($19.61 billion), MicroStrategy Incorporated ($9.52 billion), iShares 20+ Year Treasury Bond ETF ($8.70 billion), WD-40 Company ($7.66 billion), Technology Select Sector SPDR Fund ($6.10 billion), Invesco S&P 500 Equal Weight ETF ($5.80 billion), Invesco S&P 500 Top 50 ETF ($5.53 billion), and Vanguard Large-Cap ETF ($5.35 billion). View all of the most shorted stocks.

What does it mean to sell short ClearSign Technologies stock?

Short selling CLIR is an investing strategy that aims to generate trading profit from ClearSign Technologies as its price is falling. CLIR shares are trading down $0.01 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.

How does a short squeeze work against ClearSign Technologies?

A short squeeze for ClearSign Technologies 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 CLIR, which in turn drives the price of the stock up even further.

How often is ClearSign Technologies' short interest reported?

Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including CLIR, twice per month. The most recent reporting period available is June, 30 2025.



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This page (NASDAQ:CLIR) was last updated on 7/14/2025 by MarketBeat.com Staff
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