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KLA (KLAC) Short Interest Ratio & Short Volume

KLA logo
$988.91 +24.89 (+2.58%)
Closing price 09/15/2025 04:00 PM Eastern
Extended Trading
$987.86 -1.05 (-0.11%)
As of 09/15/2025 07:55 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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KLA Short Interest Data

KLA (KLAC) has a short interest of 3.37 million shares, representing 2.56% of the float (the number of shares available for trading by the public). This marks a -5.07% decrease in short interest from the previous month. The short interest ratio (days to cover) is 3.2, indicating that it would take 3.2 days of the average trading volume of 812,727 shares to cover all short positions.

Current Short Interest
3,370,000 shares
Previous Short Interest
3,550,000 shares
Change Vs. Previous Month
-5.07%
Dollar Volume Sold Short
$2.94 billion
Short Interest Ratio
3.2 Days to Cover
Last Record Date
August 31, 2025
Outstanding Shares
131,960,000 shares
Float Size
131,790,000 shares
Short Percent of Float
2.56%
Today's Trading Volume
845,611 shares
Average Trading Volume
812,727 shares
Today's Volume Vs. Average
104%
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

KLAC Short Interest Over Time

KLAC Days to Cover Over Time

KLAC Percentage of Float Shorted Over Time

KLA 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
8/31/20253,370,000 shares $2.94 billion -5.1%2.6%3.2 $872.00
8/15/20253,550,000 shares $3.11 billion +9.6%2.7%3.3 $874.94
7/31/20253,240,000 shares $2.85 billion +3.5%2.5%2.9 $879.03
7/15/20253,130,000 shares $2.93 billion -13.1%2.4%2.8 $936.53
6/30/20253,600,000 shares $3.22 billion -3.0%2.7%2.9 $895.74
6/15/20253,710,000 shares $3.22 billion +3.3%2.8%2.9 $867.67
5/31/20253,590,000 shares $2.69 billion +9.8%2.7%2.9 $749.27
5/15/20253,270,000 shares $2.64 billion +32.9%2.5%2.7 $806.00
4/30/20252,460,000 shares $1.73 billion -18.8%1.9%2.1 $702.69
4/15/20253,030,000 shares $2.05 billion +7.1%2.3%2.5 $676.21
3/31/20252,830,000 shares $1.92 billion -16.8%2.1%2.3 $679.80
3/15/20253,400,000 shares $2.42 billion +1.5%2.6%3.1 $713.00
2/28/20253,350,000 shares $2.37 billion +17.1%2.5%3 $708.84
2/15/20252,860,000 shares $2.15 billion +7.5%2.2%2.6 $750.74
1/31/20252,660,000 shares $1.96 billion -15.0%2.0%2.3 $738.24
1/15/20253,130,000 shares $2.24 billion -3.4%2.3%2.6 $716.25
12/31/20243,240,000 shares $2.04 billion No Change2.4%2.8 $630.12
12/15/20243,240,000 shares $2.12 billion +8.4%2.4%2.8 $653.76
11/30/20242,990,000 shares $1.93 billion +6.4%2.3%2.7 $647.03
11/15/20242,810,000 shares $1.73 billion +21.7%2.1%2.6 $614.46
10/31/20242,310,000 shares $1.54 billion -8.7%1.7%2.3 $666.23
10/15/20242,530,000 shares $1.79 billion +3.7%1.9%2.5 $707.72
9/30/20242,440,000 shares $1.89 billion -0.4%1.8%2.5 $774.41
9/15/20242,450,000 shares $1.84 billion -9.3%1.8%2.5 $751.50
8/31/20242,700,000 shares $2.21 billion +20.0%2.0%2.8 $819.43
8/15/20242,250,000 shares $1.88 billion +11.9%1.7%2.4 $836.19
7/31/20242,010,000 shares $1.65 billion -21.2%1.5%2.2 $823.07
7/15/20242,550,000 shares $2.19 billion -6.3%1.9%3.1 $858.12
6/30/20242,720,000 shares $2.24 billion -7.5%2.0%3.4 $824.51
6/15/20242,940,000 shares $2.43 billion -1.0%2.2%3.5 $824.84
5/31/20242,970,000 shares $2.26 billion +24.3%2.2%3.5 $759.53
5/15/20242,390,000 shares $1.82 billion +4.4%1.8%2.8 $759.72
4/30/20242,290,000 shares $1.58 billion +19.9%1.7%2.5 $689.29
4/15/20241,910,000 shares $1.30 billion -3.5%1.4%2 $678.49
3/31/20241,980,000 shares $1.38 billion -1.0%1.5%2 $698.57
3/15/20242,000,000 shares $1.37 billion -2.9%1.5%2.1 $683.90
2/29/20242,060,000 shares $1.41 billion +17.7%1.5%2.1 $682.30
2/15/20241,750,000 shares $1.14 billion +23.2%1.3%1.8 $652.38
1/31/20241,420,000 shares $843.54 million -28.3%1.1%1.5 $594.04
1/15/20241,980,000 shares $1.11 billion -10.0%1.5%2.1 $560.61
12/31/20232,200,000 shares $1.28 billion -16.0%1.6%2.4 $581.30
12/15/20232,620,000 shares $1.53 billion +1.6%1.9%2.8 $585.13
11/30/20232,580,000 shares $1.41 billion +9.3%1.9%2.7 $544.62
11/15/20232,360,000 shares $1.29 billion +7.8%1.7%2.5 $545.40
10/31/20232,190,000 shares $1.03 billion -13.8%1.6%2.4 $469.70
10/15/20232,540,000 shares $1.24 billion +14.9%1.9%2.7 $486.81
9/30/20232,210,000 shares $1.01 billion +11.6%1.6%2.3 $458.66
9/15/20231,980,000 shares $899.36 million -11.6%1.5%2 $454.22
8/31/20232,240,000 shares $1.12 billion +18.5%1.6%2.3 $501.87
8/15/20231,890,000 shares $913.87 million -15.3%1.4%1.8 $483.53
7/31/20232,230,000 shares $1.15 billion -3.0%1.6%2.1 $513.95
7/15/20232,300,000 shares $1.09 billion +4.6%1.7%2.2 $474.79
6/30/20232,200,000 shares $1.07 billion -5.6%1.6%2.2 $485.02
6/15/20232,330,000 shares $1.10 billion -8.3%1.7%2.2 $472.58
5/31/20232,540,000 shares $1.13 billion +14.4%1.9%2.3 $442.99
5/15/20232,220,000 shares $897.10 million +16.2%1.6%2.2 $404.10
4/30/20231,910,000 shares $738.29 million -5.9%1.4%1.8 $386.54
4/15/20232,030,000 shares $761.33 million -8.1%1.5%1.8 $375.04
3/31/20232,210,000 shares $882.17 million -5.6%1.6%1.9 $399.17
3/15/20232,340,000 shares $866.53 million -2.9%1.7%2 $370.31
2/28/20232,410,000 shares $914.31 million +21.7%1.8%2 $379.38
2/15/20231,980,000 shares $800.83 million +1.5%1.4%1.6 $404.46
1/31/20231,950,000 shares $765.34 million -35.9%1.4%1.4 $392.48
1/15/20233,040,000 shares $1.28 billion -23.0%2.2%2.1 $420.04
12/30/20223,950,000 shares $1.49 billion -14.9%2.8%2.4 $377.03
12/15/20224,640,000 shares $1.79 billion +51.1%3.3%2.7 $384.75
11/30/20223,070,000 shares $1.21 billion -12.8%2.2%1.7 $393.15
11/15/20223,520,000 shares $1.36 billion +28.9%2.5%1.9 $385.55
10/31/20222,730,000 shares $863.91 million -3.5%1.9%1.5 $316.45
10/15/20222,830,000 shares $746.27 million -2.8%2.0%1.7 $263.70
9/30/20222,910,000 shares $880.65 million -42.9%2.1%1.9 $302.63
9/15/20225,100,000 shares $1.72 billion -7.4%3.6%3.3 $337.36
8/31/20225,510,000 shares $1.90 billion -12.5%3.9%3.7 $344.13
8/15/20226,300,000 shares $2.42 billion -15.9%4.5%4.5 $384.32
7/31/20227,490,000 shares $2.87 billion -3.5%5.0%5.2 $383.54
7/15/20227,760,000 shares $2.53 billion -8.2%5.2%5.4 $326.23
6/30/20228,450,000 shares $2.70 billion +272.3%N/A5.9 $319.08
6/15/20222,270,000 shares $735.00 million +15.2%N/A1.6 $323.79
5/31/20221,970,000 shares $718.75 million +2.1%1.3%1.5 $364.85
5/15/20221,930,000 shares $649.29 million +12.9%1.3%1.3 $336.42
4/30/20221,710,000 shares $545.93 million +6.9%1.2%1.2 $319.26
4/15/20221,600,000 shares $514.37 million -6.4%1.1%1.1 $321.48
3/31/20221,710,000 shares $625.96 million +15.5%1.1%1.1 $366.06
3/15/20221,480,000 shares $493.17 million -10.3%1.0%1 $333.22
2/28/20221,650,000 shares $575.03 million -27.0%1.1%1.1 $348.50
2/15/20222,260,000 shares $875.75 million +14.7%1.5%1.5 $387.50
1/31/20221,970,000 shares $766.86 million -0.5%1.3%1.4 $389.27
1/15/20221,980,000 shares $881.10 million +0.5%1.3%1.5 $445.00
12/31/20211,970,000 shares $847.32 million -28.6%1.3%1.6 $430.11
12/15/20212,760,000 shares $1.13 billion -1.1%1.8%2.3 $409.91
11/30/20212,790,000 shares $1.14 billion -6.1%1.8%2.4 $408.13
11/15/20212,970,000 shares $1.23 billion -0.7%2.0%2.8 $413.06
10/29/20212,990,000 shares $1.11 billion +18.2%2.0%2.8 $372.76
10/15/20212,530,000 shares $832.62 million -4.5%1.7%2.5 $329.10
9/30/20212,650,000 shares $886.45 million -8.6%1.8%2.7 $334.51
9/15/20212,900,000 shares $1.07 billion +5.8%1.9%2.8 $367.34
8/31/20212,740,000 shares $931.49 million +26.3%1.8%2.8 $339.96
8/13/20212,170,000 shares $711.50 million -18.4%1.4%2.1 $327.88
7/30/20212,660,000 shares $926.11 million +26.1%1.8%2.4 $348.16
7/15/20212,110,000 shares $640.91 million +3.4%1.4%1.9 $303.75
6/30/20212,040,000 shares $661.39 million -20.3%1.3%1.8 $324.21
6/15/20212,560,000 shares $820.71 million -5.9%1.7%2.2 $320.59
5/28/20212,720,000 shares $861.94 million +19.8%1.8%2.1 $316.89
5/14/20212,270,000 shares $673.65 million +7.1%1.5%1.6 $296.76
4/30/20212,120,000 shares $691.88 million -15.2%1.4%1.5 $326.36
4/15/20212,500,000 shares $841.25 million -6.0%1.6%1.8 $336.50
3/31/20212,660,000 shares $843.41 million -12.8%1.7%1.9 $317.07
3/15/20213,050,000 shares $897.52 million +13.4%2.0%2.3 $294.27
2/26/20212,690,000 shares $819.89 million +43.1%1.8%2.3 $304.79
2/12/20211,880,000 shares $610.02 million -7.8%1.2%1.8 $324.48
1/29/20212,040,000 shares $593.84 million -18.4%1.3%2.1 $291.10
1/15/20212,500,000 shares $759.70 million -4.6%1.6%2.5 $303.88
12/31/20202,620,000 shares $681.59 million -5.8%1.7%2.8 $260.15
12/15/20202,780,000 shares $723.16 million -2.1%1.8%2.9 $260.13
11/30/20202,840,000 shares $721.73 million -16.2%1.8%2.7 $254.13
11/15/20203,390,000 shares $800.38 million +18.5%2.2%3 $236.10
10/30/20202,860,000 shares $577.58 million +1.1%1.9%2.5 $201.95
10/15/20202,830,000 shares $611.28 million -6.0%1.8%2.4 $216.00
9/30/20203,010,000 shares $583.16 million +19.4%1.9%2.4 $193.74

KLAC Short Interest - Frequently Asked Questions

What is KLA's current short interest?

Short interest is the volume of KLA shares that have been sold short but have not yet been closed out or covered. As of August 31st, investors have sold 3,370,000 shares of KLAC short. 2.56% of KLA's shares are currently sold short. Learn More on KLA's current short interest.

What is a good short interest ratio for KLA?

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. KLAC shares currently have a short interest ratio of 3.0. Learn More on KLA's short interest ratio.

Which institutional investors are shorting KLA?

As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of KLA: Marex Group plc, Hudson Bay Capital Management LP, Wolverine Trading LLC, Nomura Holdings Inc., LMR Partners LLP, Hudson Bay Capital Management LP, Group One Trading LLC, BNP Paribas Financial Markets, Balyasny Asset Management L.P., Bank of America Corp DE, Jane Street Group LLC, Squarepoint Ops LLC, Qube Research & Technologies Ltd, Maven Securities LTD, Bank of Nova Scotia, CMT Capital Markets Trading GmbH, Capula Management Ltd, Walleye Capital LLC, Walleye Trading LLC, Lido Advisors LLC, Hsbc Holdings PLC, Sumitomo Mitsui Financial Group Inc., Eisler Capital Management Ltd., JPMorgan Chase & Co., Greenland Capital Management LP, Citigroup Inc., Garda Capital Partners LP, Credit Industriel ET Commercial, Allianz Asset Management GmbH, Twin Tree Management LP, Credit Industriel ET Commercial, CenterStar Asset Management LLC, and Baader Bank Aktiengesellschaft. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission.

What is a good short interest percentage for KLA?

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. 2.56% of KLA's floating shares are currently sold short.

Is KLA's short interest increasing or decreasing?

KLA saw a drop in short interest in August. As of August 31st, there was short interest totaling 3,370,000 shares, a drop of 5.1% from the previous total of 3,550,000 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.

What is KLA's float size?

KLA currently has issued a total of 131,960,000 shares. Some of KLA's outstanding shares are available for trading, while others are subject to various restrictions. The public float, also referred to as floating shares or "the float", are shares that publicly owned, unrestricted and available to trade on the open market. KLA currently has a public float of 131,790,000 shares.

How does KLA's short interest compare to its competitors?

2.56% of KLA's shares are currently sold short. Here is how the short interest of companies compare to KLA: Axcelis Technologies, Inc. (14.85%), Applied Materials, Inc. (2.82%), Lam Research Corporation (2.51%), MKS Inc. (6.21%), Monolithic Power Systems, Inc. (4.15%), Nova Ltd. (6.49%), NXP Semiconductors N.V. (2.84%), Teradyne, Inc. (4.47%), Onto Innovation Inc. (4.24%), Entegris, Inc. (7.99%),

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 ($73.23 billion), Invesco QQQ ($29.52 billion), iShares Russell 2000 ETF ($20.82 billion), iShares 20+ Year Treasury Bond ETF ($10.76 billion), Palo Alto Networks, Inc. ($9.37 billion), Strategy Inc ($7.58 billion), Invesco S&P 500 Equal Weight ETF ($6.78 billion), SPDR S&P Biotech ETF ($6.72 billion), AppLovin Corporation ($6.37 billion), and iShares iBoxx $ Investment Grade Corporate Bond ETF ($6.29 billion). View all of the most shorted stocks.

What does it mean to sell short KLA stock?

Short selling KLAC is an investing strategy that aims to generate trading profit from KLA as its price is falling. KLAC shares are trading up $24.89 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 KLA?

A short squeeze for KLA 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 KLAC, which in turn drives the price of the stock up even further.

How often is KLA's 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 KLAC, twice per month. The most recent reporting period available is August, 31 2025.



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This page (NASDAQ:KLAC) was last updated on 9/16/2025 by MarketBeat.com Staff
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