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Erasca (ERAS) Short Interest Ratio & Short Volume

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$17.63 0.00 (0.00%)
As of 08/21/2026 04:00 PM Eastern
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Erasca Short Interest Overview

As of July 31, 2026, Erasca (ERAS) had a short interest of 29.95 million shares sold short, representing 11.23% of the public float. This marks a -2.64% decrease in short interest since the prior report. The short interest ratio (days to cover) is 7.3, meaning it would take 7.3 days of the average trading volume of 3.08 million shares to cover all short positions.

Current Short Interest
29,953,849 shares
Previous Short Interest
30,766,629 shares
Change Vs. Previous Month
-2.64%
Dollar Volume Sold Short
$543.66 million
Short Interest Ratio
7.3 Days to Cover
Last Record Date
July 31, 2026
Outstanding Shares
349,760,000 shares
Short Percent of Float
11.23%
Today's Trading Volume
2,445,430 shares
Average Trading Volume
3,084,625 shares
Today's Volume Vs. Average
79%
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

ERAS Short Interest Over Time

ERAS Days to Cover Over Time

ERAS Percentage of Float Shorted Over Time

Erasca 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
7/31/202629,953,849 shares $543.66 million -2.6%11.2%7.27 $18.15
7/15/202630,766,629 shares $654.10 million -4.8%11.5%5.88 $21.26
6/30/202632,321,195 shares $592.12 million +2.6%12.1%4.49 $18.32
6/15/202631,493,422 shares $454.45 million -1.3%11.8%5.77 $14.43
5/29/202631,891,428 shares $409.49 million +1.5%12.0%7.49 $12.84
5/15/202631,425,335 shares $321.48 million -2.0%11.8%6.73 $10.23
4/30/202632,056,721 shares $341.40 million -5.7%12.0%2.39 $10.65
4/15/202633,974,829 shares $618.34 million +13.7%12.7%6.07 $18.20
3/31/202629,886,446 shares $483.56 million +13.5%11.2%4.85 $16.18
3/13/202626,340,417 shares $358.76 million -3.5%9.9%5.48 $13.62
2/27/202627,299,791 shares $372.92 million -3.6%10.2%8.83 $13.66
2/13/202628,314,016 shares $339.77 million +10.4%10.6%6.34 $12.00
1/30/202625,640,846 shares $269.49 million -3.7%9.7%3.58 $10.51
1/15/202626,637,035 shares $254.65 million +30.0%11.0%2.2 $9.56
12/31/202520,487,523 shares $76.21 million +20.8%8.4%7.72 $3.72
12/15/202516,962,442 shares $58.18 million +3.7%7.0%7.08 $3.43
11/28/202516,365,359 shares $56.13 million +0.7%6.7%8.87 $3.43
11/14/202516,250,251 shares $41.93 million -0.7%6.7%10.97 $2.58
10/31/202516,357,077 shares $39.58 million +1.3%6.7%15.18 $2.42
10/15/202516,140,000 shares $40.19 million -6.1%10.0%11.5 $2.49
9/30/202517,180,000 shares $37.45 million -7.7%10.6%12.8 $2.18
9/15/202518,620,000 shares $29.79 million -0.5%11.6%19.1 $1.60
8/31/202518,720,000 shares $29.39 million -0.5%11.6%19.1 $1.57
8/15/202518,810,000 shares $30.85 million -1.3%11.7%16.5 $1.64
7/31/202519,060,000 shares $26.97 million -3.6%11.9%15.9 $1.42
7/15/202519,770,000 shares $27.88 million +3.0%12.3%14.9 $1.41
6/30/202519,190,000 shares $24.37 million -8.4%12.0%12.8 $1.27
6/15/202520,960,000 shares $31.02 million -2.5%13.1%13 $1.48
5/31/202521,500,000 shares $30.42 million +2.4%13.4%12.4 $1.42
5/15/202520,990,000 shares $26.66 million -3.9%13.1%13 $1.27
4/30/202521,830,000 shares $31.87 million -7.2%13.3%13.4 $1.46
4/15/202523,520,000 shares $27.99 million -13.6%14.4%14.6 $1.19
3/31/202527,220,000 shares $37.29 million -17.8%16.6%16.7 $1.37
3/15/202533,100,000 shares $47.66 million -2.2%20.2%22.5 $1.44
2/28/202533,860,000 shares $46.39 million -1.9%20.7%25.5 $1.37
2/15/202534,520,000 shares $54.20 million +2.3%21.1%26.2 $1.57
1/31/202533,760,000 shares $63.81 million +1.8%20.7%23.4 $1.89
1/15/202533,150,000 shares $63.65 million +1.1%20.3%22.9 $1.92
12/31/202432,790,000 shares $82.30 million +3.9%20.1%23.4 $2.51
12/15/202431,560,000 shares $80.79 million -2.1%19.3%21.3 $2.56
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11/30/202432,230,000 shares $92.18 million +0.3%19.7%18.1 $2.86
11/15/202432,150,000 shares $85.84 million -2.5%19.7%17 $2.67
10/31/202432,970,000 shares $85.39 million -2.2%18.8%16.3 $2.59
10/15/202433,700,000 shares $94.70 million 0.0%19.2%17.8 $2.81
9/30/202433,710,000 shares $92.03 million +24.7%19.2%15.7 $2.73
9/15/202427,030,000 shares $80.28 million +9.0%15.4%11 $2.97
8/31/202424,810,000 shares $71.70 million +5.9%14.9%12 $2.89
8/15/202423,420,000 shares $63.47 million +5.2%14.1%10.2 $2.71
7/31/202422,260,000 shares $70.12 million +2.1%13.4%9 $3.15
7/15/202421,810,000 shares $67.17 million +9.0%13.1%9.5 $3.08
6/30/202420,010,000 shares $47.22 million +30.7%12.0%9.9 $2.36
6/15/202415,310,000 shares $33.22 million +8.7%9.2%9.5 $2.17
5/31/202414,080,000 shares $35.48 million +31.2%7.9%9.5 $2.52
5/15/202410,730,000 shares $20.28 million +2.1%6.6%7.6 $1.89
4/30/202410,510,000 shares $21.13 million +10.9%10.2%13.5 $2.01
4/15/20249,480,000 shares $18.96 million +6.9%10.6%12.1 $2.00
3/31/20248,870,000 shares $18.27 million -1.7%9.9%11 $2.06
3/15/20249,020,000 shares $19.30 million -8.9%10.1%11.2 $2.14
2/29/20249,900,000 shares $23.56 million -3.6%11.1%8.4 $2.38
2/15/202410,270,000 shares $18.38 million +0.5%11.5%8.3 $1.79
1/31/202410,220,000 shares $17.07 million -1.0%11.0%9.3 $1.67
1/15/202410,320,000 shares $19.92 million +7.2%11.2%9.3 $1.93
12/31/20239,630,000 shares $20.51 million -12.4%10.4%8.4 $2.13
12/15/202310,990,000 shares $20.55 million +21.4%11.9%9.6 $1.87
11/30/20239,050,000 shares $15.39 million +3.8%9.8%8.8 $1.70
11/15/20238,720,000 shares $20.23 million +10.8%9.3%14.5 $2.32
10/31/20237,870,000 shares $18.18 million +7.1%8.4%12.4 $2.31
10/15/20237,350,000 shares $17.20 million -0.3%7.9%11.7 $2.34
9/30/20237,370,000 shares $14.52 million -12.6%8.0%13.3 $1.97
9/15/20238,430,000 shares $21.75 million -5.5%9.1%16.6 $2.58
8/31/20238,920,000 shares $23.10 million +1.1%9.7%15.8 $2.59
8/15/20238,820,000 shares $22.45 million -17.0%8.4%14 $2.55
7/31/202310,630,000 shares $28.06 million -1.5%11.6%17.1 $2.64
7/15/202310,790,000 shares $28.38 million -0.6%12.7%16.6 $2.63
6/30/202310,850,000 shares $29.95 million +11.2%13.1%15.3 $2.76
6/15/20239,760,000 shares $27.04 million -4.5%11.8%11.7 $2.77
5/31/202310,220,000 shares $27.70 million -1.2%12.4%11.5 $2.71
5/15/202310,340,000 shares $30.61 million -9.2%12.5%11.2 $2.96
4/30/202311,390,000 shares $31.44 million -0.9%13.8%11.8 $2.76
4/15/202311,490,000 shares $33.55 million +1.0%13.9%11 $2.92
3/31/202311,380,000 shares $34.25 million +12.0%13.8%10.3 $3.01
3/15/202310,160,000 shares $32.41 million +18.7%12.3%8.9 $3.19
2/28/20238,560,000 shares $30.82 million +9.2%11.3%7.2 $3.60
2/15/20237,840,000 shares $30.03 million -0.1%10.3%7 $3.83
1/31/20237,850,000 shares $31.40 million -2.6%11.3%7 $4.00
1/15/20238,060,000 shares $33.53 million -22.9%11.6%7.5 $4.16
12/30/202210,460,000 shares $45.08 million -0.5%13.9%10.8 $4.31
12/15/202210,510,000 shares $50.13 million -27.3%17.3%11.8 $4.77
11/30/202214,460,000 shares $109.17 million -9.5%21.8%22 $7.55
11/15/202215,970,000 shares $130.47 million -4.0%24.1%22.6 $8.17
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10/31/202216,640,000 shares $135.95 million -5.0%25.8%26.1 $8.17
10/15/202217,520,000 shares $125.27 million -4.2%27.1%28.8 $7.15
9/30/202218,290,000 shares $142.66 million +10.9%28.3%34.4 $7.80
9/15/202216,490,000 shares $144.29 million +4.7%25.6%32.1 $8.75
8/31/202215,750,000 shares $142.07 million +4.3%24.5%38.7 $9.02
8/15/202215,100,000 shares $161.27 million -1.4%23.5%42 $10.68
7/31/202215,310,000 shares $115.44 million -3.5%23.8%38.9 $7.54
7/15/202215,860,000 shares $105.47 million -1.3%24.7%37.9 $6.65
6/30/202216,070,000 shares $89.51 million +4.1%25.0%35 $5.57
6/15/202215,440,000 shares $74.42 million +5.2%24.0%30.8 $4.82
5/31/202214,680,000 shares $79.57 million +3.8%22.8%21.8 $5.42
5/15/202214,140,000 shares $82.01 million +5.2%22.0%20.7 $5.80
4/30/202213,440,000 shares $97.84 million +1.2%20.9%19.6 $7.28
4/15/202213,280,000 shares $114.61 million +7.7%20.7%17.4 $8.63
3/31/202212,330,000 shares $106.04 million +6.0%19.3%15.1 $8.60
3/15/202211,630,000 shares $124.09 million +7.0%18.2%14.1 $10.67
2/28/202210,870,000 shares $134.79 million +4.3%17.0%16.7 $12.40
2/15/202210,420,000 shares $129.62 million +9.8%16.1%16.7 $12.44
1/31/20229,490,000 shares $112.46 million +18.3%14.3%16.7 $11.85
1/15/20228,020,000 shares $103.78 million +8.8%12.0%16.3 $12.94
12/31/20217,370,000 shares $114.82 million +14.4%11.0%19.8 $15.58
12/15/20216,440,000 shares $87.91 million +16.5%9.6%20 $13.65
11/30/20215,530,000 shares $78.36 million +1.3%8.3%16.3 $14.17
11/15/20215,460,000 shares $103.52 million +20.0%8.2%16.4 $18.96
10/29/20214,550,000 shares $90.00 million +23.6%6.6%12.1 $19.78
10/15/20213,680,000 shares $65.50 million +18.3%5.3%9.6 $17.80
9/30/20213,110,000 shares $65.99 million +31.2%4.5%6.3 $21.22
9/15/20212,370,000 shares $49.86 million +15.6%3.4%4.5 $21.04
8/31/20212,050,000 shares $49.02 million +72.3%3.1%4.1 $23.91

ERAS Short Interest - Frequently Asked Questions

Short interest is the volume of Erasca shares that have been sold short but have not yet been closed out or covered. As of July 31st, investors have sold 29,953,849 shares of ERAS short. 11.23% of Erasca's shares are currently sold short. Learn More on Erasca'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. ERAS shares currently have a short interest ratio of 7.3. Learn More on Erasca'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. 11.23% of Erasca's floating shares are currently sold short.

Erasca saw a drop in short interest in July. As of July 31st, there was short interest totaling 29,953,849 shares, a drop of 2.6% from the previous total of 30,766,629 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.

11.23% of Erasca's shares are currently sold short. Here is how the short interest of companies in the industry of "biotechnology" compare to Erasca: Revolution Medicines, Inc. (5.82%), Incyte Corporation (6.03%), BioNTech SE Sponsored ADR (1.21%), United Therapeutics Corporation (5.92%), Genmab A/S Sponsored ADR (1.20%), BridgeBio Pharma, Inc. (13.92%), Ascendis Pharma A/S (9.10%), BioMarin Pharmaceutical Inc. (6.50%), Exelixis, Inc. (11.74%), Arrowhead Pharmaceuticals, Inc. (7.11%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($70.50 billion), Invesco QQQ ($50.36 billion), iShares Russell 2000 ETF ($21.20 billion), Western Digital Corporation ($13.40 billion), SPDR S&P Biotech ETF ($11.59 billion), Nebius Group N.V. ($11.46 billion), iShares 20+ Year Treasury Bond ETF ($7.84 billion), iShares iBoxx $ High Yield Corporate Bond ETF ($7.51 billion), iShares Semiconductor ETF ($6.37 billion), and Financial Select Sector SPDR Fund ($6.34 billion). View all of the most shorted stocks.

Short selling ERAS is an investing strategy that aims to generate trading profit from Erasca as its price is falling. ERAS shares are trading up $0.55 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 Erasca 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 ERAS, 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 ERAS, twice per month. The most recent reporting period available is July, 31 2026.

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

  • 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.


Related Companies
Short Interest Tools

Short interest data for NASDAQ:ERAS is sourced from the Financial Industry Regulatory Authority (FINRA), with the most recent report published on 8/11/2026. FINRA publishes updated short interest twice a month.
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