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ProShares Ultra Nasdaq Cybersecurity ETF (UCYB) Short Interest Ratio & Short Volume

ProShares Ultra Nasdaq Cybersecurity ETF logo
$68.84 0.00 (0.00%)
As of 05/22/2026 03:57 PM Eastern
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ProShares Ultra Nasdaq Cybersecurity ETF Short Interest Overview

As of April 30, 2026, ProShares Ultra Nasdaq Cybersecurity ETF (UCYB) had a short interest of 7,775 shares sold short, representing 8.64% of the public float. This marks a 39.44% increase in short interest since the prior report. The short interest ratio (days to cover) is 1.8, meaning it would take 1.8 days of the average trading volume of 3,553 shares to cover all short positions.

Current Short Interest
7,775 shares
Previous Short Interest
5,576 shares
Change Vs. Previous Month
39.44%
Dollar Volume Sold Short
$346.22 thousand
Short Interest Ratio
1.8 Days to Cover
Last Record Date
April 30, 2026
Outstanding Shares
90,000 shares
Short Percent of Float
8.64%
Today's Trading Volume
7,862 shares
Average Trading Volume
3,553 shares
Today's Volume Vs. Average
221%
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

UCYB Short Interest Over Time

UCYB Days to Cover Over Time

UCYB Percentage of Float Shorted Over Time

ProShares Ultra Nasdaq Cybersecurity ETF 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
4/30/20267,775 shares $346.22 thousand +39.4%8.6%1.81 $44.53
4/15/20265,576 shares $228.28 thousand +160.1%6.2%0.99 $40.94
3/31/20262,144 shares $83.59 thousand +169.4%2.4%0.89 $38.99
3/13/2026796 shares $33.89 thousand +57.3%1.0%0.4 $42.58
2/27/2026506 shares $20.12 thousand -10.0%0.6%0.12 $39.76
2/13/2026562 shares $25.35 thousand -69.2%0.7%0.12 $45.10
1/30/20261,824 shares $88.79 thousand +1,025.9%2.3%0.64 $48.68
1/15/2026162 shares $8.64 thousand -6.9%0.2%0.09 $53.34
12/31/2025174 shares $9.15 thousand +16.0%0.2%0.2 $52.61
12/15/2025150 shares $8.24 thousand -69.1%0.1%0.45 $54.92
11/28/2025485 shares $26.63 thousand +12.3%0.3%0.75 $54.92
11/14/2025432 shares $25.23 thousand -23.8%0.3%0.73 $58.41
10/31/2025567 shares $35.44 thousand -19.5%0.4%0.54 $62.50
10/15/2025700 shares $42.25 thousand -50.0%0.9%0.6 $60.36
9/30/20251,400 shares $85.62 thousand -36.4%N/A0.9 $61.16
9/15/20252,200 shares $134.50 thousand -46.3%N/A1.2 $61.14
8/31/20254,100 shares $233.78 thousand +5.1%5.1%2.3 $57.02
8/15/20253,900 shares $216.98 thousand -35.0%N/A2.2 $55.64
7/31/20256,000 shares $343.38 thousand -4.8%7.5%2.9 $57.23
7/15/20256,300 shares $366.44 thousand -99.5%N/A3 $58.17
6/30/20251,290,000 shares $80.34 million +1,289,900.0%3.0%2.2 $62.28
6/15/2025100 shares $5.75 thousand -91.7%0.1%0.1 $57.45
5/31/20251,200 shares $67.98 thousand +140.0%1.3%0.7 $56.65
5/15/2025500 shares $27.86 thousand +66.7%0.6%0.3 $55.71
4/30/2025300 shares $14.73 thousand No ChangeN/A0.1 $49.09
4/15/2025300 shares $13.49 thousand -40.0%0.3%0.1 $44.98
3/31/2025500 shares $22.76 thousand No Change0.6%0.2 $45.51
3/15/2025500 shares $24.21 thousand -75.0%0.6%0.2 $48.42
2/28/20252,000 shares $100.86 thousand +53.9%2.2%0.8 $50.43
2/15/20251,300 shares $77.90 thousand +1,200.0%1.4%0.5 $59.92
1/31/2025100 shares $5.37 thousand No ChangeN/A0.1 $53.69
1/15/2025100 shares $4.94 thousand -66.7%N/A0.1 $49.41
12/31/2024300 shares $14.68 thousand -82.4%N/A0.2 $48.94
12/15/20241,700 shares $87.82 thousand +750.0%N/A1.2 $51.66
11/30/2024200 shares $9.71 thousand No ChangeN/A0.2 $48.57
11/15/2024200 shares $9.14 thousand +100.0%N/A0.2 $45.70
10/31/2024100 shares $4.41 thousand -66.7%N/A0.1 $44.09
10/15/2024300 shares $14.08 thousand +200.0%N/A0.3 $46.94
9/30/2024100 shares $4.31 thousand -50.0%N/A0.1 $43.12
9/15/2024200 shares $8.25 thousand -66.7%N/A0.1 $41.26
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8/31/2024600 shares $26.04 thousand +500.0%N/A0.4 $43.40
8/15/2024100 shares $4.09 thousand -75.0%N/A0.1 $40.88
7/31/2024400 shares $15.71 thousand +300.0%N/A0.3 $39.28
7/15/2024100 shares $4.27 thousand -50.0%N/A0.1 $42.66
6/30/2024200 shares $8.06 thousand -75.0%N/A0.2 $40.30
6/15/2024800 shares $30.89 thousand +100.0%N/A0.5 $38.61
5/31/2024400 shares $14.66 thousand +300.0%N/A0.2 $36.66
5/15/2024100 shares $4.06 thousand -96.6%N/A0 $40.63
4/30/20242,900 shares $109.79 thousand +2,800.0%N/A0.9 $37.86
4/15/2024100 shares $3.77 thousand No ChangeN/A0 $37.73
3/31/20242,890,000 shares $120.54 million +2,889,900.0%N/A0.9 $41.71
3/15/2024100 shares $4.15 thousand -96.3%N/A0 $41.46
2/29/20242,700 shares $119.80 thousand -56.5%N/A0.7 $44.37
2/15/20246,200 shares $287.18 thousand +169.6%N/A2.1 $46.32
1/31/20242,300 shares $96.26 thousand No ChangeN/A1.1 $41.85
9/15/2023100 shares $3.02 thousand -80.0%N/A0.2 $30.19
8/31/2023500 shares $15.72 thousand +400.0%N/A0.7 $31.43
8/15/2023100 shares $2.88 thousand -75.0%N/A0.1 $28.77
7/31/2023400 shares $12.71 thousand -73.3%N/A0.6 $31.77
7/15/20231,500 shares $45 thousand -28.6%N/A1.9 $30.00
6/30/20232,100 shares $62.73 thousand -48.8%N/A3 $29.87
6/15/20234,100 shares $126.61 thousand +127.8%N/A5.1 $30.88
5/31/20231,800 shares $51.23 thousand +80.0%N/A2 $28.46
5/15/20231,000 shares $24.64 thousand +100.0%N/A1.4 $24.64
4/30/2023500 shares $11.72 thousand -54.6%N/A0.5 $23.45
4/15/20231,100 shares $29.06 thousand -8.3%N/A1 $26.42
3/31/20231,200 shares $32.62 thousand -7.7%N/A0.9 $27.18
3/15/20231,300 shares $31.62 thousand -13.3%N/A0.9 $24.32
2/28/20231,500 shares $38.72 thousand +36.4%N/A0.9 $25.81
2/15/20231,100 shares $30.76 thousand -50.0%N/A0.5 $27.96
1/31/20232,200 shares $54.87 thousand +144.4%N/A1 $24.94
1/15/2023900 shares $20.65 thousand +80.0%N/A0.4 $22.94
12/30/2022500 shares $11.59 thousand -58.3%N/A0.2 $23.18
12/15/20221,200 shares $29.21 thousand -62.5%N/A0.5 $24.34
11/30/20223,200 shares $83.58 thousand -37.3%N/A1.4 $26.12
11/15/20225,100 shares $135.46 thousand +64.5%N/A2.4 $26.56
10/31/20223,100 shares $86.49 thousand +55.0%N/A1.3 $27.90
10/15/20222,000 shares $44.03 thousand No ChangeN/A0.9 $22.01
9/30/20224,500 shares $108.77 thousand +1,025.0%N/A1.7 $24.17
9/15/2022400 shares $11.47 thousand -20.0%N/A0.2 $28.68
8/31/2022500 shares $15.25 thousand -50.0%N/A0.2 $30.50
8/15/20221,000 shares $36.04 thousand No ChangeN/A0.4 $36.04
7/31/20221,000 shares $29.91 thousand -16.7%N/A0.3 $29.91
7/15/20221,200 shares $32.54 thousand +50.0%N/A0.4 $27.12
6/30/2022800 shares $22.15 thousand -71.4%N/A0.3 $27.69
6/15/20222,800 shares $77.39 thousand +300.0%N/A0.9 $27.64
5/31/2022700 shares $21.89 thousand No ChangeN/A0.2 $31.27
5/15/2022700 shares $21.39 thousand +16.7%N/A0.2 $30.55
4/30/2022600 shares $23.46 thousand +20.0%N/A0.2 $39.09
4/15/2022500 shares $24.61 thousand -44.4%N/A0.2 $49.21
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3/31/2022900 shares $45.32 thousand No ChangeN/A0.2 $50.36
3/15/2022900 shares $36.18 thousand -52.6%N/A0.2 $40.20
2/28/20221,900 shares $86.22 thousand +90.0%N/A0.4 $45.38
2/15/20221,000 shares $42.14 thousand -23.1%N/A0.2 $42.14
1/31/20221,300 shares $53.03 thousand -7.1%N/A0.3 $40.79
1/15/20221,400 shares $60.97 thousand -30.0%N/A0.3 $43.55
12/31/20212,000 shares $103.36 thousand No ChangeN/A0.5 $51.68

UCYB Short Interest - Frequently Asked Questions

Short interest is the volume of ProShares Ultra Nasdaq Cybersecurity ETF shares that have been sold short but have not yet been covered or closed out. As of April 30th, investors have sold 7,775 shares of UCYB short. 8.64% of ProShares Ultra Nasdaq Cybersecurity ETF's shares are currently sold short. Learn More on ProShares Ultra Nasdaq Cybersecurity ETF'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. UCYB shares currently have a short interest ratio of 1.8. Learn More on ProShares Ultra Nasdaq Cybersecurity ETF'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. 8.64% of ProShares Ultra Nasdaq Cybersecurity ETF's floating shares are currently sold short.

ProShares Ultra Nasdaq Cybersecurity ETF saw a increase in short interest in April. As of April 30th, there was short interest totaling 7,775 shares, an increase of 39.4% from the previous total of 5,576 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.

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($86.09 billion), Invesco QQQ ($39.89 billion), iShares Russell 2000 ETF ($26.13 billion), Western Digital Corporation ($12.66 billion), Salesforce Inc. ($12.29 billion), Sandisk Corporation ($11.87 billion), SPDR S&P Biotech ETF ($9.82 billion), Lumentum Holdings Inc. ($8.51 billion), iShares 20+ Year Treasury Bond ETF ($7.76 billion), and Bloom Energy Corporation ($7.40 billion). View all of the most shorted stocks.

Short selling UCYB is an investing strategy that aims to generate trading profit from ProShares Ultra Nasdaq Cybersecurity ETF as its price is falling. 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 ProShares Ultra Nasdaq Cybersecurity ETF 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 UCYB, 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 UCYB, twice per month. The most recent reporting period available is April, 30 2026.

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

  • 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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This page (NASDAQ:UCYB) was last updated on 5/25/2026 by MarketBeat.com Staff.
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