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UCB (UCBJF) Short Interest Ratio & Short Volume

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$333.39 +18.91 (+6.01%)
As of 03:37 PM Eastern
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UCB Short Interest Overview

As of October 30, 2026, UCB (UCBJF) had a short interest of 665,128 shares sold short, representing 0.35% of the public float. This marks a 34.58% decrease in short interest since the prior report. The short interest ratio (days to cover) is 431.6, meaning it would take 431.6 days of the average trading volume of 663 shares to cover all short positions.

Current Short Interest
665,128 shares
Previous Short Interest
1,016,693 shares
Change Vs. Previous Report
-34.58%
Dollar Volume Sold Short
$211.07 million
Short Interest Ratio
431.6 Days to Cover
Last Record Date
October 30, 2026
Outstanding Shares
189,020,000 shares
Short Percent of Float
0.35%
Today's Trading Volume
837 shares
Average Trading Volume
663 shares
Today's Volume Vs. Average
126%
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

UCBJF Short Interest Over Time

UCBJF Days to Cover Over Time

UCBJF Percentage of Float Shorted Over Time

UCB 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
10/30/2026665,128 shares $211.07 million -34.6%0.4%431.62 $317.34
10/15/20261,016,693 shares $244.25 million -14.9%0.5%999.99 $240.24
9/30/20261,194,809 shares $294.69 million -5.8%0.6%999.99 $246.64
9/15/20261,268,050 shares $317.76 million +14.3%0.7%999.99 $250.59
8/31/20261,109,603 shares $278.38 million +10.2%0.6%311.6 $250.88
8/14/20261,006,739 shares $256.31 million -1.2%0.5%489.18 $254.59
7/31/20261,018,529 shares $274.66 million +16.5%0.5%416.41 $269.66
7/15/2026874,402 shares $240.76 million +8.6%0.5%999.99 $275.34
6/30/2026805,411 shares $252.61 million +14.3%0.4%999.99 $313.64
6/15/2026704,696 shares $218.55 million -37.2%0.4%848.01 $310.14
5/29/20261,121,617 shares $314.51 million -7.1%0.6%583.87 $280.41
5/15/20261,207,108 shares $349.00 million -5.3%0.6%710.06 $289.12
4/30/20261,274,696 shares $349.59 million -5.9%0.7%999.99 $274.25
4/15/20261,353,845 shares $444.47 million +12.3%0.7%877.41 $328.30
3/31/20261,205,324 shares $366.89 million +6.5%0.6%391.09 $304.39
3/13/20261,131,888 shares $338.13 million +38.4%0.6%999.99 $298.73
2/27/2026818,105 shares $250.34 million -11.0%0.4%449.51 $306.00
2/13/2026919,556 shares $308.27 million +4.1%0.5%512.29 $335.24
1/30/2026882,991 shares $278.18 million -2.9%0.5%793.34 $315.04
1/15/2026908,925 shares $274.96 million +8.8%0.5%546.56 $302.51
12/31/2025835,811 shares $245.38 million +9.0%0.4%999.99 $293.58
12/15/2025767,138 shares $218.43 million -20.3%0.4%497.82 $284.74
11/28/2025961,879 shares $275.18 million +1.6%0.5%999.99 $286.09
11/14/2025969,082 shares $262.50 million +34.7%0.5%999.99 $270.88
10/31/2025719,244 shares $191.29 million +240.7%0.4%707.92 $265.96
10/15/2025211,100 shares $64.48 million -26.9%0.1%124.2 $305.44
9/30/2025288,800 shares $80.46 million +1.6%N/A481.3 $278.60
9/15/2025284,400 shares $67.45 million -10.5%N/A1422 $237.15
8/31/2025317,800 shares $75.97 million +12.2%0.2%47.4 $239.04
8/15/2025283,200 shares $64.46 million -15.5%N/A45.7 $227.63
7/31/2025335,300 shares $73.69 million -5.9%0.2%86 $219.79
7/15/2025356,200 shares $72.61 million -2.3%N/A137 $203.85
6/30/2025364,700 shares $72.90 million +12.3%0.2%1823.5 $199.89
6/15/2025324,800 shares $63.92 million -18.5%0.2%270.7 $196.79
5/31/2025398,400 shares $71.47 million +6.6%0.2%3984 $179.39
5/15/2025373,700 shares $63.81 million +49.8%0.2%3737 $170.75
4/30/2025249,500 shares $37.60 million +15.8%N/A0 $150.70
4/15/2025215,500 shares $32.48 million -63.1%0.1%1077.5 $150.70
3/31/2025584,000 shares $100.64 million +21.4%0.3%834.3 $172.33
3/15/2025481,000 shares $92.28 million +20.8%0.3%155.2 $191.85
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2/28/2025398,200 shares $74.37 million +6.7%0.2%3982 $186.78
2/15/2025373,200 shares $70.91 million -6.0%0.2%1244 $190.00
1/31/2025396,800 shares $77.48 million +25.7%N/A3968 $195.25
1/15/2025315,600 shares $60.60 million +3.2%N/A1052 $192.00
12/31/2024305,900 shares $60.27 million -2.9%N/A3059 $197.03
12/15/2024315,100 shares $54.83 million +0.5%N/A3151 $174.00
11/30/2024313,600 shares $54.57 million -51.3%N/A1568 $174.00
11/15/2024643,700 shares $112.65 million +59.5%N/A3218.5 $175.00
10/31/2024403,500 shares $74.24 million -17.0%N/A4035 $184.00
10/15/2024486,100 shares $87.04 million +15.9%N/A4861 $179.05
9/30/2024419,400 shares $75.09 million -22.6%N/A4194 $179.05
9/15/2024542,000 shares $96.75 million -8.2%N/A5420 $178.50
8/31/2024590,600 shares $104.89 million -9.5%N/A203.7 $177.61
8/15/2024652,800 shares $108.20 million -16.0%N/A3264 $165.75
7/31/2024777,500 shares $118.57 million -3.1%N/A3887.5 $152.50
7/15/2024802,500 shares $105.93 million -0.8%N/A8025 $132.00
6/30/2024809,200 shares $106.81 million -3.1%N/A207.5 $132.00
6/15/2024835,100 shares $110.23 million +0.6%N/A4175.5 $132.00
5/31/2024829,800 shares $109.53 million +5.1%N/A4149 $132.00
5/15/2024789,800 shares $104.25 million -0.9%N/A7898 $132.00
4/30/2024797,200 shares $106.57 million +14.5%N/A3986 $133.68
4/15/2024696,300 shares $87.77 million +8.7%N/A6963 $126.05
3/31/2024640,500 shares $78.14 million +6.3%N/A1281 $122.00
3/15/2024602,300 shares $71.43 million -0.7%N/A3011.5 $118.60
2/29/2024606,800 shares $66.96 million +1.5%N/A2022.7 $110.35
2/15/2024598,100 shares $61.01 million +13.9%N/A5981 $102.00
1/15/2024569,500 shares $49.60 million +0.7%N/A5695 $87.10
12/31/2023565,700 shares $49.27 million -23.2%N/A6734.3 $87.10
12/15/2023736,800 shares $59.56 million -25.6%N/A7368 $80.84
11/30/2023989,800 shares $72.79 million -0.7%N/A761.4 $73.54
11/15/2023997,200 shares $69.80 million -1.9%N/A554 $70.00
10/31/20231,016,300 shares $76.27 million +22.0%N/A2540.8 $75.05
10/15/2023833,400 shares $67.03 million +16.5%N/A4167 $80.43
9/30/2023715,600 shares $64.06 million +15.3%N/A2385.3 $89.52
9/15/2023620,700 shares $53.74 million -0.5%N/A1551.8 $86.58
8/31/2023624,000 shares $55.26 million -2.6%N/A2390.8 $88.55
8/15/2023640,800 shares $57.61 million -0.9%N/A6408 $89.91
7/31/2023646,700 shares $58.14 million -5.1%N/A6467 $89.91
7/15/2023681,700 shares $59.08 million -7.5%N/A2272.3 $86.66
6/30/2023736,700 shares $63.85 million +0.2%N/A3683.5 $86.66
6/15/2023735,200 shares $68.34 million -3.2%N/A7352 $92.95
5/31/2023759,500 shares $66.15 million +7.6%N/A3797.5 $87.10
5/15/2023706,200 shares $63.09 million +0.5%N/A7062 $89.34
4/30/2023703,000 shares $65.45 million -1.0%N/A1406 $93.10
4/15/2023709,800 shares $58.20 million +8.4%N/A7098 $82.00
3/31/2023655,100 shares $53.72 million +8.1%N/A6551 $82.00
3/15/2023606,200 shares $51.83 million +5.2%N/A673.6 $85.50
2/28/2023576,200 shares $48.30 million +5.3%N/A1920.7 $83.83
2/15/2023547,400 shares $43.22 million -9.0%N/A5474 $78.95
1/31/2023601,400 shares $49.92 million +4.9%N/A3007 $83.00
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1/15/2023573,400 shares $47.71 million -18.8%N/A2867 $83.20
12/30/2022705,700 shares $56.74 million +1.6%N/A3528.5 $80.40
12/15/2022694,600 shares $52.13 million +14.0%N/A6946 $75.05
11/30/2022609,300 shares $48.80 million +6.4%N/A6093 $80.10
11/15/2022572,600 shares $44.20 million +2.5%N/A5726 $77.20
10/31/2022558,900 shares $40.66 million +0.4%N/A1117.8 $72.75
10/15/2022556,900 shares $40.29 million -17.2%N/A265.2 $72.35
9/30/2022672,400 shares $45.93 million +0.7%N/A6724 $68.30
9/15/2022668,000 shares $48.93 million +21.0%N/A392.9 $73.25
8/31/2022551,900 shares $38.06 million -17.5%N/A1839.7 $68.96
8/15/2022668,800 shares $50.83 million -4.8%N/A955.4 $76.00
7/31/2022702,600 shares $60.14 million +18.5%N/A7026 $85.60
7/15/2022592,900 shares $50.75 million +7.3%N/A5929 $85.60
6/30/2022552,500 shares $47.29 million -15.9%N/A212.5 $85.60
6/15/2022656,700 shares $60.53 million -12.5%N/A6567 $92.18
5/31/2022750,100 shares $69.14 million -3.3%N/A7501 $92.18
5/15/2022775,400 shares $70.50 million +26.1%N/A7754 $90.93
4/30/2022615,100 shares $74.43 million +31.0%N/A6151 $121.00
4/15/2022469,500 shares $57.70 million -1.7%N/A2347.5 $122.90
3/31/2022477,400 shares $56.81 million -30.9%N/A596.8 $119.00
3/15/2022690,500 shares $73.19 million -27.6%N/A345.3 $106.00
2/28/2022954,000 shares $104.27 million -28.7%N/A867.3 $109.30
2/15/20221,338,300 shares $133.71 million -8.8%N/A1911.9 $99.91
1/31/20221,468,100 shares $144.09 million +43.2%N/A14681 $98.15
1/15/20221,025,400 shares $112.75 million +33.5%N/A10254 $109.96
12/31/2021768,200 shares $82.93 million +51.4%N/A7682 $107.96
12/15/2021507,300 shares $56.05 million +34.6%N/A5073 $110.49
11/30/2021376,900 shares $43.63 million -8.5%N/A3769 $115.75
11/15/2021411,700 shares $49.51 million -30.2%N/A4117 $120.25

UCBJF Short Interest - Frequently Asked Questions

Short interest is the volume of UCB shares that have been sold short but have not yet been covered or closed out. As of October 30th, investors have sold 665,128 shares of UCBJF short. 0.35% of UCB's shares are currently sold short. Learn More on UCB'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. UCBJF shares currently have a short interest ratio of 431.6. Learn More on UCB'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. 0.35% of UCB's floating shares are currently sold short.

UCB saw a decrease in short interest since the prior report. As of October 30th, there was short interest totaling 665,128 shares, a decrease of 34.6% from the previous total of 1,016,693 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.

0.35% of UCB's shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceuticals" compare to UCB: Bristol Myers Squibb Company (2.29%), Sanofi (0.51%), GSK PLC Sponsored ADR (0.89%), Chugai Pharmaceutical Co., Ltd. Unsponsored ADR (0.00%), Takeda Pharmaceutical Co. (0.10%), UCB SA (0.00%), Bayer Aktiengesellschaft (0.00%), Teva Pharmaceutical Industries Ltd. (2.39%), Sandoz Group AG Sponsored ADR (0.03%), Otsuka Holdings Co., Ltd. - Unsponsored ADR (0.00%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($77.66 billion), Invesco QQQ ($57.17 billion), iShares Russell 2000 ETF ($21.91 billion), SPDR S&P Biotech ETF ($10.53 billion), Union Pacific Corporation ($9.26 billion), iShares iBoxx $ High Yield Corporate Bond ETF ($9.05 billion), Nebius Group N.V. ($7.85 billion), iShares 20+ Year Treasury Bond ETF ($7.81 billion), Moderna, Inc. ($7.36 billion), and iShares iBoxx $ Investment Grade Corporate Bond ETF ($7.20 billion). View all of the most shorted stocks.

Short selling UCBJF is an investing strategy that aims to generate trading profit from UCB as its price is falling. UCBJF shares are trading up $18.91 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 UCB occurs when it has a large amount of short interest and its stock appreciates in price. This forces short sellers to cover their short interest positions by buying actual shares of UCBJF, 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 UCBJF, twice per month. The most recent reporting period available is October, 30 2026.

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

  • 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 OTCMKTS:UCBJF is sourced from the Financial Industry Regulatory Authority (FINRA), with the most recent report published on 11/10/2026. FINRA publishes updated short interest twice a month.
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