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Cardinal Health (CAH) Short Interest Ratio & Short Volume

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$246.98 -1.63 (-0.66%)
As of 03:55 PM Eastern
This is a fair market value price provided by Massive. Learn more.
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Cardinal Health Short Interest Overview

As of August 14, 2026, Cardinal Health (CAH) had a short interest of 6.39 million shares sold short, representing 2.75% of the public float. This marks a -2.93% decrease in short interest since the prior report. The short interest ratio (days to cover) is 2.9, meaning it would take 2.9 days of the average trading volume of 1.99 million shares to cover all short positions.

Current Short Interest
6,393,294 shares
Previous Short Interest
6,586,567 shares
Change Vs. Previous Month
-2.93%
Dollar Volume Sold Short
$1.50 billion
Short Interest Ratio
2.9 Days to Cover
Last Record Date
August 14, 2026
Outstanding Shares
232,580,000 shares
Short Percent of Float
2.75%
Today's Trading Volume
871,126 shares
Average Trading Volume
1,989,972 shares
Today's Volume Vs. Average
44%
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

CAH Short Interest Over Time

CAH Days to Cover Over Time

CAH Percentage of Float Shorted Over Time

Cardinal Health 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
8/14/20266,393,294 shares $1.50 billion -2.9%2.8%2.85 $234.92
7/31/20266,586,567 shares $1.52 billion -2.4%2.8%3.36 $230.18
7/15/20266,748,293 shares $1.52 billion -4.6%2.9%2.63 $224.75
6/30/20267,073,002 shares $1.68 billion -21.4%3.0%2.71 $237.87
6/15/20269,000,257 shares $2.04 billion +13.8%3.8%3.97 $226.52
5/29/20267,906,193 shares $1.55 billion +6.5%3.4%3.75 $196.57
5/15/20267,422,286 shares $1.45 billion +22.4%3.2%2.63 $195.10
4/30/20266,063,099 shares $1.17 billion +3.0%2.6%3.13 $193.21
4/15/20265,889,123 shares $1.25 billion -2.2%2.5%4.42 $211.57
3/31/20266,018,968 shares $1.27 billion -0.4%2.6%3.09 $211.27
3/13/20266,045,787 shares $1.31 billion +21.1%2.6%3.1 $216.95
2/27/20264,994,109 shares $1.14 billion -0.1%2.1%3.87 $228.85
2/13/20264,999,808 shares $1.10 billion -1.8%2.1%2.46 $220.72
1/30/20265,089,954 shares $1.09 billion -0.2%2.2%2.89 $214.85
1/15/20265,100,946 shares $1.09 billion -15.9%2.1%2.98 $213.25
12/31/20256,061,976 shares $1.25 billion +23.6%2.6%3.49 $205.62
12/15/20254,904,967 shares $981.12 million -22.2%2.1%1.95 $200.03
11/28/20256,300,853 shares $1.34 billion -21.7%2.7%2.84 $212.26
11/14/20258,047,562 shares $1.65 billion +13.6%3.4%2.88 $205.35
10/31/20257,082,674 shares $1.35 billion +7.1%3.0%2.83 $190.65
10/15/20256,610,000 shares $1.03 billion -11.5%2.8%2.8 $155.72
9/30/20257,470,000 shares $1.17 billion +5.5%3.1%3.2 $156.80
9/15/20257,080,000 shares $1.07 billion -1.5%3.0%3.1 $150.45
8/31/20257,190,000 shares $1.07 billion -5.6%3.0%3.1 $148.60
8/15/20257,620,000 shares $1.14 billion +36.6%3.2%3.4 $149.49
7/31/20255,580,000 shares $865.47 million -1.9%2.3%2.6 $155.10
7/15/20255,690,000 shares $916.43 million +1.1%2.4%2.6 $161.06
6/30/20255,630,000 shares $945.39 million -1.8%2.4%2.3 $167.92
6/15/20255,730,000 shares $924.13 million -2.9%2.4%2.3 $161.28
5/31/20255,900,000 shares $911.31 million +11.1%2.5%2.4 $154.46
5/15/20255,310,000 shares $805.53 million -0.4%2.2%2 $151.70
4/30/20255,330,000 shares $752.86 million -10.3%2.2%2 $141.25
4/15/20255,940,000 shares $797.43 million +26.1%2.5%2.3 $134.25
3/31/20254,710,000 shares $649.17 million -29.2%2.0%1.8 $137.83
3/15/20256,650,000 shares $852.50 million +2.9%2.8%2.8 $128.20
2/28/20256,460,000 shares $837.89 million +3.0%2.7%2.7 $129.71
2/15/20256,270,000 shares $792.18 million +41.9%2.6%2.8 $126.35
1/31/20254,420,000 shares $546.11 million -6.8%1.8%1.9 $123.56
1/15/20254,740,000 shares $590.18 million +12.3%2.0%2.2 $124.51
12/31/20244,220,000 shares $499.10 million -26.9%1.8%2 $118.27
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12/15/20245,770,000 shares $681.44 million +20.7%2.4%2.7 $118.10
11/30/20244,780,000 shares $584.31 million -20.1%2.0%2.3 $122.24
11/15/20245,980,000 shares $710.30 million +8.7%2.5%2.8 $118.78
10/31/20245,500,000 shares $596.86 million -26.4%2.3%2.8 $108.52
10/15/20247,470,000 shares $836.79 million -4.0%3.1%4 $112.02
9/30/20247,780,000 shares $859.85 million -6.8%3.2%4.1 $110.52
9/15/20248,350,000 shares $944.97 million -12.9%3.5%4.3 $113.17
8/31/20249,590,000 shares $1.08 billion +42.9%4.0%4.8 $112.72
8/15/20246,710,000 shares $724.01 million -7.2%2.8%3.4 $107.90
7/31/20247,230,000 shares $728.93 million +6.5%3.0%3.7 $100.82
7/15/20246,790,000 shares $636.49 million +11.0%2.8%3.2 $93.74
6/30/20246,120,000 shares $601.72 million -17.6%2.5%3 $98.32
6/15/20247,430,000 shares $744.49 million +8.2%3.1%3.8 $100.20
5/31/20246,870,000 shares $681.98 million -14.7%2.8%3.4 $99.27
5/15/20248,050,000 shares $781.74 million -5.3%3.3%3.6 $97.11
4/30/20248,500,000 shares $875.76 million -2.4%3.5%3.7 $103.03
4/15/20248,710,000 shares $932.23 million -3.7%3.6%3.7 $107.03
3/31/20249,040,000 shares $1.01 billion +5.0%3.7%3.9 $111.90
3/15/20248,610,000 shares $951.75 million -19.2%3.6%3.7 $110.54
2/29/202410,650,000 shares $1.19 billion +36.9%4.4%4.6 $111.91
2/15/20247,780,000 shares $816.36 million +13.7%3.2%3.6 $104.93
1/31/20246,840,000 shares $746.86 million +7.9%2.8%3.1 $109.19
1/15/20246,340,000 shares $670.71 million -7.9%2.6%3 $105.79
12/31/20236,880,000 shares $693.50 million -7.0%2.8%3.3 $100.80
12/15/20237,400,000 shares $743.63 million -7.6%3.0%3.5 $100.49
11/30/20238,010,000 shares $857.71 million -2.4%3.3%4 $107.08
11/15/20238,210,000 shares $835.78 million +18.5%3.4%3.9 $101.80
10/31/20236,930,000 shares $630.63 million +3.3%2.8%3.1 $91.00
10/15/20236,710,000 shares $625.51 million -9.3%2.7%3.1 $93.22
9/30/20237,400,000 shares $642.47 million -9.1%3.0%3.5 $86.82
9/15/20238,140,000 shares $714.12 million -23.8%3.3%3.8 $87.73
8/31/202310,680,000 shares $932.68 million +107.0%4.3%4.6 $87.33
8/15/20235,160,000 shares $467.13 million -10.6%2.1%2.2 $90.53
7/31/20235,770,000 shares $527.78 million -18.9%2.3%2.6 $91.47
7/15/20237,110,000 shares $662.23 million -12.0%2.8%3.2 $93.14
6/30/20238,080,000 shares $764.13 million -9.9%3.2%3.6 $94.57
6/15/20238,970,000 shares $799.77 million +52.8%3.5%3.9 $89.16
5/31/20235,870,000 shares $483.22 million +4.1%2.3%2.6 $82.32
5/15/20235,640,000 shares $481.20 million +13.3%2.2%2.6 $85.32
4/30/20234,980,000 shares $408.86 million -10.3%2.0%2.2 $82.10
4/15/20235,550,000 shares $447.50 million +27.3%2.2%2.2 $80.63
3/31/20234,360,000 shares $329.18 million +5.8%1.7%1.7 $75.50
3/15/20234,120,000 shares $287.66 million -16.9%1.6%1.6 $69.82
2/28/20234,960,000 shares $375.52 million -21.3%1.9%1.9 $75.71
2/15/20236,300,000 shares $495.05 million +35.8%2.5%2.3 $78.58
1/31/20234,640,000 shares $358.44 million -11.3%1.8%1.6 $77.25
1/15/20235,230,000 shares $402.03 million -4.6%2.0%1.8 $76.87
12/30/20225,480,000 shares $421.25 million -23.3%2.1%1.8 $76.87
12/15/20227,140,000 shares $560.99 million -32.1%2.7%2.3 $78.57
11/30/202210,510,000 shares $842.59 million +22.9%4.0%3.3 $80.17
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11/15/20228,550,000 shares $635.44 million -28.3%3.3%2.8 $74.32
10/31/202211,920,000 shares $904.73 million -21.0%4.6%3.7 $75.90
10/15/202215,080,000 shares $1.03 billion -8.8%5.6%5 $68.08
9/30/202216,540,000 shares $1.10 billion -9.9%6.1%5.8 $66.68
9/15/202218,360,000 shares $1.22 billion +191.9%6.8%6.7 $66.39
8/31/20226,290,000 shares $444.83 million -26.1%2.3%2.4 $70.72
8/15/20228,510,000 shares $595.44 million +31.7%3.1%3.4 $69.97
7/31/20226,460,000 shares $384.76 million -1.2%2.4%2.8 $59.56
7/15/20226,540,000 shares $361.07 million -5.1%2.4%2.7 $55.21
6/30/20226,890,000 shares $360.14 million -10.4%2.5%2.7 $52.27
6/15/20227,690,000 shares $392.50 million +2.8%2.8%3 $51.04
5/31/20227,480,000 shares $421.27 million +10.5%2.8%2.8 $56.32
5/15/20226,770,000 shares $376.48 million -8.9%2.5%2.4 $55.61
4/30/20227,430,000 shares $431.31 million +16.1%2.7%2.6 $58.05
4/15/20226,400,000 shares $402.94 million +11.9%2.3%2.3 $62.96
3/31/20225,720,000 shares $324.32 million -4.7%2.1%1.9 $56.70
3/15/20226,000,000 shares $323.58 million -6.4%2.2%2 $53.93
2/28/20226,410,000 shares $346.20 million -2.9%2.3%2.2 $54.01
2/15/20226,600,000 shares $353.30 million -15.9%2.4%2.1 $53.53
1/31/20227,850,000 shares $404.82 million +16.6%2.9%2.5 $51.57
1/15/20226,730,000 shares $357.30 million +2.0%2.4%2.1 $53.09
12/31/20216,600,000 shares $339.83 million -8.8%2.4%2 $51.49
12/15/20217,240,000 shares $356.28 million +24.2%2.6%2 $49.21
11/30/20215,830,000 shares $269.52 million +3.6%2.1%1.7 $46.23
11/15/20215,630,000 shares $284.09 million -31.6%2.0%1.7 $50.46
10/29/20218,230,000 shares $393.48 million +20.3%2.9%2.5 $47.81
10/15/20216,840,000 shares $332.01 million +12.0%2.4%2.2 $48.54
9/30/20216,110,000 shares $302.20 million -27.3%2.2%2.1 $49.46
9/15/20218,400,000 shares $445.37 million -19.4%3.0%3.4 $53.02

CAH Short Interest - Frequently Asked Questions

Short interest is the volume of Cardinal Health shares that have been sold short but have not yet been closed out or covered. As of August 14th, investors have sold 6,393,294 shares of CAH short. 2.75% of Cardinal Health's shares are currently sold short. Learn More on Cardinal Health'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. CAH shares currently have a short interest ratio of 2.9. Learn More on Cardinal Health'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. 2.75% of Cardinal Health's floating shares are currently sold short.

Cardinal Health saw a drop in short interest in the month of August. As of August 14th, there was short interest totaling 6,393,294 shares, a drop of 2.9% from the previous total of 6,586,567 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.

2.75% of Cardinal Health's shares are currently sold short. Here is how the short interest of companies in the sector of "healthcare" compare to Cardinal Health: DexCom, Inc. (4.39%), Merit Medical Systems, Inc. (5.83%), AMN Healthcare Services Inc (8.26%), Cencora, Inc. (2.44%), Elevance Health, Inc. (2.50%), Haemonetics Corporation (6.20%), Integer Holdings Corporation (8.48%), McKesson Corporation (2.08%), Henry Schein, Inc. (6.26%), AdaptHealth Corp. (5.69%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($71.57 billion), Invesco QQQ ($46.97 billion), iShares Russell 2000 ETF ($24.02 billion), Nebius Group N.V. ($15.37 billion), Sandisk Corporation ($12.60 billion), SPDR S&P Biotech ETF ($12.14 billion), Western Digital Corporation ($10.32 billion), iShares 20+ Year Treasury Bond ETF ($8.38 billion), VanEck Semiconductor ETF ($7.62 billion), and iShares iBoxx $ High Yield Corporate Bond ETF ($7.07 billion). View all of the most shorted stocks.

Short selling CAH is an investing strategy that aims to generate trading profit from Cardinal Health as its price is falling. CAH shares are trading up $3.39 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 Cardinal Health 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 CAH, 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 CAH, twice per month. The most recent reporting period available is August, 14 2026.

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

  • 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 NYSE:CAH is sourced from the Financial Industry Regulatory Authority (FINRA), with the most recent report published on 8/25/2026. FINRA publishes updated short interest twice a month.
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