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Costco Wholesale (COST) Short Interest Ratio & Short Volume

Costco Wholesale logo
$1,007.27 +1.09 (+0.11%)
Closing price 06/10/2025 04:00 PM Eastern
Extended Trading
$1,006.25 -1.02 (-0.10%)
As of 06:47 AM 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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Costco Wholesale Short Interest Data

Costco Wholesale (COST) has a short interest of 6.17 million shares, representing 1.39% of the float (the number of shares available for trading by the public). This marks a 2.32% increase in short interest from the previous month. The short interest ratio (days to cover) is 2.5, indicating that it would take 2.5 days of the average trading volume of 2.05 million shares to cover all short positions.

Current Short Interest
6,170,000 shares
Previous Short Interest
6,030,000 shares
Change Vs. Previous Month
+2.32%
Dollar Volume Sold Short
$6.23 billion
Short Interest Ratio
2.5 Days to Cover
Last Record Date
May 15, 2025
Outstanding Shares
443,477,000 shares
Short Percent of Float
1.39%
Today's Trading Volume
2,251,265 shares
Average Trading Volume
2,051,902 shares
Today's Volume Vs. Average
110%
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

COST Short Interest Over Time

COST Days to Cover Over Time

COST Percentage of Float Shorted Over Time

Costco Wholesale Short Interest History

Export to Excel
Report DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date
5/15/20256,170,000 shares $6.23 billion +2.3%1.4%2.5 $1,010.47
4/30/20256,030,000 shares $6.00 billion -0.2%N/A2.5 $994.50
4/15/20256,040,000 shares $5.90 billion +1.5%1.4%2.5 $976.92
3/31/20255,950,000 shares $5.63 billion -13.4%1.3%2.5 $945.78
3/15/20256,870,000 shares $6.21 billion -3.0%1.6%3.1 $903.92
2/28/20257,080,000 shares $7.42 billion +2.0%1.6%3.3 $1,048.61
2/15/20256,940,000 shares $7.44 billion +17.8%1.6%3.5 $1,071.85
1/31/20255,890,000 shares $5.77 billion -7.4%1.3%2.9 $979.88
1/15/20256,360,000 shares $5.87 billion -2.8%N/A3.3 $923.50
12/31/20246,540,000 shares $5.99 billion +1.4%N/A3.5 $916.27
12/15/20246,450,000 shares $6.38 billion -2.1%N/A3.3 $989.35
11/30/20246,590,000 shares $6.40 billion +1.5%1.5%3.6 $971.88
11/15/20246,490,000 shares $5.89 billion +8.4%1.5%3.5 $907.07
10/31/20245,990,000 shares $5.24 billion -2.6%1.4%3.4 $874.18
10/15/20246,150,000 shares $5.50 billion -9.8%1.4%3.4 $894.61
9/30/20246,820,000 shares $6.05 billion -4.2%N/A3.5 $886.52
9/15/20247,120,000 shares $6.52 billion -2.9%N/A3.7 $916.00
8/31/20247,330,000 shares $6.54 billion +7.0%N/A3.9 $892.38
8/15/20246,850,000 shares $6.01 billion +4.6%N/A3.5 $877.35
7/31/20246,550,000 shares $5.38 billion -7.9%N/A3.4 $822.00
7/15/20247,110,000 shares $6.03 billion -0.6%N/A3.8 $848.73
6/30/20247,150,000 shares $6.08 billion +9.0%N/A4.1 $849.99
6/15/20246,560,000 shares $5.61 billion +3.1%N/A3.7 $855.67
5/31/20246,360,000 shares $5.15 billion -3.6%N/A3.5 $809.89
5/15/20246,600,000 shares $5.19 billion +7.5%N/A3.4 $787.04
4/30/20246,140,000 shares $4.44 billion -2.5%1.4%3.1 $722.90
4/15/20246,300,000 shares $4.53 billion -0.9%1.4%3.1 $718.28
3/31/20246,360,000 shares $4.66 billion -5.9%1.4%3 $732.63
3/15/20246,760,000 shares $4.91 billion +0.5%1.5%3.1 $725.63
2/29/20246,730,000 shares $5.01 billion +6.5%1.5%2.8 $743.89
2/15/20246,320,000 shares $4.58 billion +10.3%1.4%3 $724.51
1/31/20245,730,000 shares $3.98 billion -5.0%1.3%2.7 $694.88
1/15/20246,030,000 shares $4.12 billion -2.1%1.4%2.9 $683.24
12/31/20236,160,000 shares $4.07 billion +7.5%1.4%3 $660.08
12/15/20235,730,000 shares $3.78 billion +14.6%1.3%2.7 $658.82
11/30/20235,000,000 shares $2.96 billion -5.8%1.1%2.8 $592.74
11/15/20235,310,000 shares $3.17 billion +20.4%1.2%3.1 $596.78
10/31/20234,410,000 shares $2.44 billion -6.2%1.0%2.6 $552.44
10/15/20234,700,000 shares $2.66 billion +8.6%1.1%2.9 $566.84
9/30/20234,330,000 shares $2.45 billion +6.4%1.0%2.6 $564.96
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9/15/20234,070,000 shares $2.26 billion -1.5%0.9%2.6 $556.36
8/31/20234,130,000 shares $2.27 billion +2.2%0.9%2.6 $549.28
8/15/20234,040,000 shares $2.26 billion -2.7%0.9%2.3 $558.51
7/31/20234,150,000 shares $2.33 billion -3.0%0.9%2.3 $560.67
7/15/20234,280,000 shares $2.34 billion +11.2%1.0%2.3 $546.70
6/30/20233,850,000 shares $2.07 billion -6.3%0.9%2.1 $538.38
6/15/20234,110,000 shares $2.17 billion +15.1%0.9%2.3 $529.18
5/31/20233,570,000 shares $1.83 billion +6.3%N/A1.9 $511.56
5/15/20233,360,000 shares $1.69 billion -4.0%0.8%1.8 $502.04
4/30/20233,500,000 shares $1.76 billion -6.9%0.8%1.9 $503.22
4/15/20233,760,000 shares $1.85 billion +11.9%0.9%2 $491.30
3/31/20233,360,000 shares $1.67 billion -4.6%0.8%1.8 $496.87
3/15/20233,520,000 shares $1.71 billion +14.7%0.8%1.8 $485.66
2/28/20233,070,000 shares $1.49 billion +2.7%0.7%1.5 $484.18
2/15/20232,990,000 shares $1.53 billion +0.7%0.7%1.4 $511.28
1/31/20232,970,000 shares $1.52 billion -18.0%0.7%1.4 $511.14
1/15/20233,620,000 shares $1.76 billion -18.5%0.8%1.6 $485.25
12/30/20224,440,000 shares $2.03 billion +5.5%1.0%2 $456.50
12/15/20224,210,000 shares $1.95 billion -13.2%1.0%1.8 $463.91
11/30/20224,850,000 shares $2.62 billion +5.0%1.1%2.1 $539.25
11/15/20224,620,000 shares $2.43 billion +1.3%1.1%2.2 $526.47
10/31/20224,560,000 shares $2.29 billion -1.5%1.0%2.2 $501.50
10/15/20224,630,000 shares $2.11 billion +10.8%1.1%2.2 $454.65
9/30/20224,180,000 shares $1.97 billion -1.9%1.0%1.9 $472.27
9/15/20224,260,000 shares $2.14 billion +3.9%1.0%2 $503.50
8/31/20224,100,000 shares $2.14 billion -3.1%0.9%1.9 $522.10
8/15/20224,230,000 shares $2.31 billion +11.6%1.0%1.7 $545.75
7/31/20223,790,000 shares $2.05 billion +3.3%0.9%1.3 $541.30
7/15/20223,670,000 shares $1.92 billion -1.9%0.8%1.3 $522.95
6/30/20223,740,000 shares $1.79 billion -9.7%0.9%1.3 $479.28
6/15/20224,140,000 shares $1.90 billion +0.5%1.0%1.4 $458.79
5/31/20224,120,000 shares $1.92 billion +4.3%N/A1.4 $466.22
5/15/20223,950,000 shares $1.96 billion -12.8%0.9%1.4 $497.27
4/30/20224,530,000 shares $2.41 billion +9.2%N/A1.8 $531.72
4/15/20224,150,000 shares $2.45 billion +1.2%N/A1.7 $590.39
3/31/20224,100,000 shares $2.36 billion +0.2%N/A0 $575.85
3/15/20224,090,000 shares $2.22 billion -7.5%N/A1.6 $542.32
2/28/20224,420,000 shares $2.30 billion -7.1%N/A1.6 $519.25
2/15/20224,760,000 shares $2.45 billion +5.1%N/A1.8 $513.92
1/31/20224,530,000 shares $2.29 billion +4.6%N/A1.8 $505.13
1/15/20224,330,000 shares $2.18 billion -11.3%N/A1.7 $502.99
12/31/20214,880,000 shares $2.77 billion +8.2%N/A2.1 $567.70
12/15/20214,510,000 shares $2.55 billion +22.9%N/A2 $565.48
11/30/20213,670,000 shares $1.98 billion -13.9%0.8%1.8 $539.38
11/15/20214,260,000 shares $2.21 billion -3.2%1.0%2.4 $519.89
10/29/20214,400,000 shares $2.16 billion -5.0%1.0%2.5 $491.54
10/15/20214,630,000 shares $2.09 billion -6.5%1.1%2.7 $452.39
9/30/20214,950,000 shares $2.22 billion -5.7%1.1%2.9 $449.35
9/15/20215,250,000 shares $2.42 billion +2.1%1.2%3.1 $460.73
8/31/20215,140,000 shares $2.34 billion +6.6%1.2%3.1 $455.49
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8/13/20214,820,000 shares $2.16 billion -7.3%1.1%2.6 $447.82
7/30/20215,200,000 shares $2.23 billion +13.5%1.2%2.8 $429.72
7/15/20214,580,000 shares $1.89 billion +0.2%1.0%2.4 $411.82
6/30/20214,570,000 shares $1.81 billion +7.8%1.0%2.3 $395.67
6/15/20214,240,000 shares $1.63 billion +5.2%1.0%2 $383.91
5/28/20214,030,000 shares $1.52 billion -6.1%0.9%1.7 $378.27
5/14/20214,290,000 shares $1.63 billion +10.3%N/A1.5 $379.53
4/30/20213,890,000 shares $1.45 billion +4.6%N/A1.4 $373.54
4/15/20213,720,000 shares $1.35 billion -14.1%N/A0 $363.17
3/31/20214,330,000 shares $1.51 billion -3.6%N/A1.4 $349.75
3/15/20214,490,000 shares $1.49 billion +6.7%N/A1.5 $331.14
2/26/20214,210,000 shares $1.41 billion -2.8%N/A1.5 $333.90
2/12/20214,330,000 shares $1.53 billion +19.3%N/A1.8 $352.20
1/29/20213,630,000 shares $1.30 billion +1.1%N/A1.5 $357.06
1/15/20213,590,000 shares $1.30 billion -6.8%N/A1.5 $362.35
12/31/20203,850,000 shares $1.44 billion +19.6%N/A1.7 $374.45
12/15/20203,220,000 shares $1.21 billion +4.9%N/A1.4 $374.38
11/30/20203,070,000 shares $1.19 billion +1.3%N/A1.3 $388.39
11/15/20203,030,000 shares $1.15 billion +15.2%N/A1.3 $378.84
10/30/20202,630,000 shares $959.58 million -17.0%N/A1.2 $364.86
10/15/20203,170,000 shares $1.20 billion +0.3%N/A1.4 $378.34
9/30/20203,160,000 shares $1.12 billion +12.1%N/A1.4 $355.00
9/15/20202,820,000 shares $969.83 million -1.1%N/A1.3 $343.91
8/31/20202,850,000 shares $990.83 million -3.7%N/A1.3 $347.66
8/14/20202,960,000 shares $995.39 million -10.8%N/A1.2 $336.28
7/31/20203,320,000 shares $1.08 billion -1.5%N/A1.3 $325.53
7/15/20203,370,000 shares $1.11 billion -14.3%N/A1.2 $328.00
6/30/20203,930,000 shares $1.19 billion -2.0%N/A1.3 $303.21
6/15/20204,010,000 shares $1.19 billion -1.5%N/A1.2 $297.18

COST Short Interest - Frequently Asked Questions

What is Costco Wholesale's current short interest?

Short interest is the volume of Costco Wholesale shares that have been sold short but have not yet been covered or closed out. As of May 15th, traders have sold 6,170,000 shares of COST short. 1.39% of Costco Wholesale's shares are currently sold short. Learn More on Costco Wholesale's current short interest.

What is a good short interest ratio for Costco Wholesale?

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. COST shares currently have a short interest ratio of 2.0. Learn More on Costco Wholesale's short interest ratio.

Which institutional investors are shorting Costco Wholesale?

As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Costco Wholesale: Quaker Wealth Management LLC, Jane Street Group LLC, CTC LLC, Goldman Sachs Group Inc., Parallax Volatility Advisers L.P., Cubist Systematic Strategies LLC, Royal Bank of Canada, Nomura Holdings Inc., DRW Securities LLC, Twin Tree Management LP, HAP Trading LLC, BNP Paribas Financial Markets, Eisler Capital Management Ltd., PEAK6 LLC, Nishkama Capital LLC, Walleye Trading LLC, Walleye Capital LLC, ADAPT Investment Managers SA, Compound Planning Inc., Capital Fund Management S.A., Credit Agricole S A, Sumitomo Mitsui Financial Group Inc., Maven Securities LTD, Raymond James Financial Inc., Marathon Trading Investment Management LLC, Arrowpoint Investment Partners Singapore Pte. Ltd., Simplex Trading LLC, JPMorgan Chase & Co., Wolverine Asset Management LLC, Citigroup Inc., XY Capital Ltd, Delta Accumulation LLC, Gladius Capital Management LP, Empirical Financial Services LLC d.b.a. Empirical Wealth Management, Monaco Asset Management SAM, Dauntless Investment Group LLC, Readystate Asset Management LP, Allianz Asset Management GmbH, Caas Capital Management LP, Fulcrum Asset Management LLP, Robertson Stephens Wealth Management LLC, and McKinley Carter Wealth Services Inc.. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission.

What is a good short interest percentage for Costco Wholesale?

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. 1.39% of Costco Wholesale's floating shares are currently sold short.

Is Costco Wholesale's short interest increasing or decreasing?

Costco Wholesale saw a increase in short interest in the month of May. As of May 15th, there was short interest totaling 6,170,000 shares, an increase of 2.3% from the previous total of 6,030,000 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.

How does Costco Wholesale's short interest compare to its competitors?

1.39% of Costco Wholesale's shares are currently sold short. Here is how the short interest of companies compare to Costco Wholesale: Walmart Inc. (1.17%), PriceSmart, Inc. (5.36%), Target Co. (4.39%), Dollar General Co. (4.15%), Dollar Tree, Inc. (7.01%), BJ's Wholesale Club Holdings, Inc. (4.37%), Ollie's Bargain Outlet Holdings, Inc. (5.62%), Five Below, Inc. (9.07%), MINISO Group Holding Limited (9.24%), The Home Depot, Inc. (0.93%),

Which stocks are the most shorted right now?

As of the most recent reporting period, the following stocks had the largest short interest positions: Invesco QQQ ($29.20 billion), Strategy Incorporated ($10.88 billion), iShares 20+ Year Treasury Bond ETF ($10.04 billion), Capital One Financial Co. ($5.51 billion), Charter Communications, Inc. ($5.00 billion), Super Micro Computer, Inc. ($4.43 billion), Apollo Global Management, Inc. ($4.02 billion), Hims & Hers Health, Inc. ($3.65 billion), VanEck Semiconductor ETF ($3.27 billion), and Coinbase Global, Inc. ($3.10 billion). View all of the most shorted stocks.

What does it mean to sell short Costco Wholesale stock?

Short selling COST is an investing strategy that aims to generate trading profit from Costco Wholesale as its price is falling. COST shares are trading up $1.09 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 Costco Wholesale?

A short squeeze for Costco Wholesale 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 COST, which in turn drives the price of the stock up even further.

How often is Costco Wholesale'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 COST, twice per month. The most recent reporting period available is May, 15 2025.



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This page (NASDAQ:COST) was last updated on 6/11/2025 by MarketBeat.com Staff
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