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Ono Pharmaceutical (OPHLY) Short Interest Ratio & Short Volume

Ono Pharmaceutical logo
$4.68 -0.02 (-0.43%)
As of 06/15/2026 03:50 PM Eastern
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Ono Pharmaceutical Short Interest Overview

As of May 29, 2026, Ono Pharmaceutical (OPHLY) had a short interest of 58,867 shares sold short. This marks a 17.39% increase in short interest since the prior report. The short interest ratio (days to cover) is 1.2, meaning it would take 1.2 days of the average trading volume of 29,283 shares to cover all short positions.

Current Short Interest
58,867 shares
Previous Short Interest
50,147 shares
Change Vs. Previous Month
17.39%
Dollar Volume Sold Short
$290.51 thousand
Short Interest Ratio
1.2 Days to Cover
Last Record Date
May 29, 2026
Today's Trading Volume
27,120 shares
Average Trading Volume
29,283 shares
Today's Volume Vs. Average
93%
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

OPHLY Short Interest Over Time

OPHLY Days to Cover Over Time

OPHLY Percentage of Float Shorted Over Time

Ono Pharmaceutical 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
5/29/202658,867 shares $290.51 thousand +17.4%N/A1.24 $4.94
5/15/202650,147 shares $263.92 thousand +227.3%N/A0.91 $5.26
4/30/202615,320 shares $75.30 thousand +4.1%N/A0.29 $4.92
12/15/202517,110 shares $80.07 thousand +625.9%N/A0.32 $4.68
11/28/20252,357 shares $10.91 thousand -86.7%N/A0.04 $4.63
11/14/202517,677 shares $77.25 thousand +79.4%N/A0.23 $4.37
10/31/20259,851 shares $39.31 thousand -89.8%N/A0.05 $3.99
10/15/202596,300 shares $376.05 thousand +767.6%N/A0.3 $3.91
9/30/202511,100 shares $41.96 thousand +1,485.7%N/A0 $3.78
9/15/2025700 shares $2.70 thousand -41.7%N/A0 $3.85
8/31/20251,200 shares $4.42 thousand -99.2%N/A0 $3.68
8/15/2025155,400 shares $599.84 thousand +36.3%N/A0.4 $3.86
7/31/2025114,000 shares $426.36 thousand +172.1%N/A0.3 $3.74
7/15/202541,900 shares $153.35 thousand +5,885.7%N/A0.1 $3.66
6/30/2025700 shares $2.50 thousand -92.1%N/A0 $3.57
6/15/20258,900 shares $31.77 thousand -1.1%N/A0 $3.57
5/31/20259,000 shares $32.40 thousand -33.3%N/A0 $3.60
5/15/202513,500 shares $45.36 thousand -19.2%N/A0 $3.36
4/30/202516,700 shares $63.63 thousand -78.9%N/A0.1 $3.81
4/15/202579,000 shares $316.79 thousand +143.1%N/A0.1 $4.01
3/31/202532,500 shares $117 thousand -57.6%N/A0.1 $3.60
3/15/202576,600 shares $281.88 thousand +153.6%N/A0.2 $3.68
2/28/202530,200 shares $108.12 thousand -25.6%N/A0 $3.58
2/15/202540,600 shares $137.63 thousand -28.7%N/A0 $3.39
1/31/202556,900 shares $193.46 thousand -69.5%N/A0.1 $3.40
1/15/2025186,600 shares $641.90 thousand +51.6%N/A0.1 $3.44
12/31/2024123,100 shares $428.39 thousand -44.8%N/A0.1 $3.48
12/15/2024222,900 shares $800.21 thousand +747.5%N/A0.2 $3.59
11/30/202426,300 shares $99.94 thousand -82.6%N/A0 $3.80
11/15/2024151,000 shares $585.88 thousand +89.5%N/A0.1 $3.88
10/31/202479,700 shares $329.16 thousand -73.4%N/A0.1 $4.13
10/15/2024299,800 shares $1.31 million +1,663.5%N/A0.7 $4.38
9/30/202417,000 shares $74.46 thousand +246.9%N/A0.1 $4.38
9/15/20244,900 shares $21.71 thousand -35.5%N/A0 $4.43
8/31/20247,600 shares $37.24 thousand -32.7%N/A0.1 $4.90
8/15/202411,300 shares $54.58 thousand -87.9%N/A0 $4.83
7/31/202493,000 shares $451.52 thousand -46.5%N/A0.6 $4.86
7/15/2024173,700 shares $826.81 thousand +12.1%N/A0.4 $4.76
6/30/2024155,000 shares $705.25 thousand -16.6%N/A0.3 $4.55
6/15/2024185,900 shares $829.11 thousand +317.8%N/A0.6 $4.46
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5/31/202444,500 shares $212.27 thousand +19.6%N/A0.1 $4.77
5/15/202437,200 shares $183.77 thousand +126.8%N/A0.2 $4.94
4/30/202416,400 shares $77.57 thousand -64.7%N/A0 $4.73
4/15/202446,500 shares $231.57 thousand +123.6%N/A0.2 $4.98
3/31/202420,800 shares $113.15 thousand -23.8%N/A0.1 $5.44
3/15/202427,300 shares $152.06 thousand -15.5%N/A0.2 $5.57
2/29/202432,300 shares $175.71 thousand +412.7%N/A0.1 $5.44
2/15/20246,300 shares $33.26 thousand -32.3%N/A0 $5.28
1/15/20243,100 shares $18.80 thousand +106.7%N/A0 $6.06
12/31/20231,500 shares $8.79 thousand -96.9%N/A0 $5.86
12/15/202347,800 shares $279.63 thousand -38.2%N/A0.3 $5.85
11/30/202377,300 shares $472.30 thousand +1,580.4%N/A0.5 $6.11
11/15/20234,600 shares $26.91 thousand No ChangeN/A0 $5.85
10/15/20232,600 shares $15.96 thousand -89.1%N/A0 $6.14
9/30/202323,900 shares $152.24 thousand -15.9%N/A0.2 $6.37
9/15/202328,400 shares $186.87 thousand -55.9%N/A0.2 $6.58
8/31/202364,400 shares $407.01 thousand -61.4%N/A0.2 $6.32
8/15/2023166,900 shares $1.07 million +120.2%N/A0.6 $6.41
7/31/202375,800 shares $462.83 thousand +6.6%N/A0.5 $6.11
7/15/202371,100 shares $435.13 thousand +284.3%N/A0.3 $6.12
6/30/202318,500 shares $110.26 thousand +143.4%N/A0.1 $5.96
6/15/20237,600 shares $48.03 thousand -68.2%N/A0 $6.32
5/31/202323,900 shares $147.70 thousand No ChangeN/A0.1 $6.18
4/30/2023300 shares $1.99 thousand -98.2%N/A0 $6.63
4/15/202316,300 shares $111.49 thousand -88.8%N/A0.1 $6.84
3/31/2023145,000 shares $1.00 million +18.7%N/A0.7 $6.93
3/15/2023122,200 shares $843.18 thousand +1,320.9%N/A0.3 $6.90
2/28/20238,600 shares $57.79 thousand +196.6%N/A0 $6.72
2/15/20232,900 shares $20.53 thousand No ChangeN/A0 $7.08
1/15/20235,900 shares $43.54 thousand -70.1%N/A0 $7.38
12/30/202219,700 shares $151.10 thousand -47.0%N/A0.5 $7.67
12/15/202237,200 shares $306.16 thousand -17.2%N/A1.8 $8.23
11/30/202244,900 shares $380.75 thousand +153.7%N/A1.5 $8.48
11/15/202217,700 shares $138.41 thousand -50.8%N/A0.2 $7.82
10/31/202236,000 shares $279.36 thousand -60.8%N/A0.3 $7.76
10/15/202291,800 shares $712.37 thousand -16.7%N/A0.6 $7.76
9/30/2022110,200 shares $857.36 thousand +357.3%N/A0.5 $7.78
9/15/202224,100 shares $184.00 thousand +270.8%N/A0.2 $7.64
8/31/20226,500 shares $51.16 thousand -67.7%N/A0.1 $7.87
8/15/202220,100 shares $169.97 thousand -64.4%N/A0.6 $8.46
7/31/202256,500 shares $526.30 thousand -41.2%N/A0.7 $9.32
7/15/202296,100 shares $904.30 thousand +71.9%N/A2.1 $9.41
6/30/202255,900 shares $471.80 thousand -23.8%N/A0.7 $8.44
6/15/202273,400 shares $588.67 thousand -12.6%N/A1 $8.02
5/31/202284,000 shares $738.53 thousand +3.1%N/A4.1 $8.79
5/15/202281,500 shares $695.20 thousand +65.0%N/A1.4 $8.53
4/30/202249,400 shares $418.91 thousand +94.5%N/A1.2 $8.48
4/15/202225,400 shares $214.83 thousand +1.2%N/A0.9 $8.46
3/31/202225,100 shares $208.46 thousand +61.9%N/A1 $8.31
3/15/202215,500 shares $130.05 thousand -56.8%N/A0.3 $8.39
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2/28/202235,900 shares $297.61 thousand +97.3%N/A0.8 $8.29
2/15/202218,200 shares $151.79 thousand +104.5%N/A0.3 $8.34
1/31/20228,900 shares $71.65 thousand -64.5%N/A0.1 $8.05
1/15/202225,100 shares $207.08 thousand +94.6%N/A0.4 $8.25
12/31/202112,900 shares $106.68 thousand -78.6%N/A0.2 $8.27
12/15/202160,400 shares $495.22 thousand +37.0%N/A0.4 $8.20
11/30/202144,100 shares $322.81 thousand +59.8%N/A0.3 $7.32
11/15/202127,600 shares $199.27 thousand +213.6%N/A0.3 $7.22
10/29/20218,800 shares $60.90 thousand No ChangeN/A0.1 $6.92
9/30/20212,700 shares $20.39 thousand -76.3%N/A0.1 $7.55
9/15/202111,400 shares $92.34 thousand -47.2%N/A0.3 $8.10
8/31/202121,600 shares $172.80 thousand -54.2%N/A0.4 $8.00
8/13/202147,200 shares $357.54 thousand +391.7%N/A0.3 $7.58
7/30/20219,600 shares $74.69 thousand -72.4%N/A0.1 $7.78
7/15/202134,800 shares $264.83 thousand +728.6%N/A0.3 $7.61
6/30/20214,200 shares $31.00 thousand +2.4%N/A0.1 $7.38

OPHLY Short Interest - Frequently Asked Questions

Short interest is the volume of Ono Pharmaceutical shares that have been sold short but have not yet been closed out or covered. As of May 29th, investors have sold 58,867 shares of OPHLY short. Learn More on Ono Pharmaceutical'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. OPHLY shares currently have a short interest ratio of 1.2. Learn More on Ono Pharmaceutical's short interest ratio.

Ono Pharmaceutical saw a increase in short interest in May. As of May 29th, there was short interest totaling 58,867 shares, an increase of 17.4% from the previous total of 50,147 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.

Here is how the short interest of companies in the sector of "medical" compare to Ono Pharmaceutical: Otsuka Holdings Co., Ltd. - Unsponsored ADR (0.00%), Santen Pharmaceutical Co., Ltd. (0.00%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($81.27 billion), Invesco QQQ ($49.06 billion), iShares Russell 2000 ETF ($23.61 billion), Western Digital Corporation ($16.93 billion), Sandisk Corporation ($15.61 billion), Salesforce Inc. ($11.65 billion), SPDR S&P Biotech ETF ($10.52 billion), Nebius Group N.V. ($10.24 billion), Lumentum Holdings Inc. ($8.74 billion), and iShares iBoxx $ High Yield Corporate Bond ETF ($8.21 billion). View all of the most shorted stocks.

Short selling OPHLY is an investing strategy that aims to generate trading profit from Ono Pharmaceutical as its price is falling. OPHLY shares are trading down $0.02 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 Ono Pharmaceutical 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 OPHLY, 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 OPHLY, twice per month. The most recent reporting period available is May, 29 2026.

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

  • 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

This page (OTCMKTS:OPHLY) was last updated on 6/16/2026 by MarketBeat.com Staff.
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