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Spirax-Sarco Engineering (SPXSF) Short Interest Ratio & Short Volume

Spirax-Sarco Engineering logo
$94.75 0.00 (0.00%)
As of 09/23/2026
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Spirax-Sarco Engineering Short Interest Overview

As of September 15, 2026, Spirax-Sarco Engineering (SPXSF) had a short interest of 45,966 shares sold short, representing 0.06% of the public float. This marks a -1.84% decrease in short interest since the prior report. The short interest ratio (days to cover) is 72.6, meaning it would take 72.6 days of the average trading volume of 1,184 shares to cover all short positions.

Current Short Interest
45,966 shares
Previous Short Interest
46,827 shares
Change Vs. Previous Month
-1.84%
Dollar Volume Sold Short
$4.36 million
Short Interest Ratio
72.6 Days to Cover
Last Record Date
September 15, 2026
Outstanding Shares
73,610,000 shares
Short Percent of Float
0.06%
Today's Trading Volume
0 shares
Average Trading Volume
1,184 shares
Today's Volume Vs. Average
0%
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

SPXSF Short Interest Over Time

SPXSF Days to Cover Over Time

SPXSF Percentage of Float Shorted Over Time

Spirax-Sarco Engineering 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
9/15/202645,966 shares $4.36 million -1.8%0.1%72.62 $94.75
8/31/202646,827 shares $4.50 million -4.1%0.1%228.42 $96.05
8/14/202648,831 shares $4.83 million -31.5%0.1%9.33 $98.97
7/31/202671,272 shares $6.52 million -1.6%0.1%999.99 $91.49
7/15/202672,421 shares $6.45 million -11.3%0.1%0 $89.08
6/30/202681,600 shares $7.27 million -5.8%0.1%999.99 $89.08
6/15/202686,584 shares $7.89 million -9.5%0.1%995.22 $91.10
5/29/202695,705 shares $9.13 million +1.2%0.1%999.99 $95.43
5/15/202689,414 shares $9.05 million -3.8%0.1%999.99 $101.27
4/30/202692,976 shares $8.09 million +3.9%0.1%999.99 $87.00
4/15/202689,485 shares $7.79 million +2.7%0.1%0 $87.00
3/31/202687,127 shares $7.58 million -7.0%0.1%999.99 $87.00
3/13/202693,702 shares $8.92 million +13.4%0.1%999.99 $95.23
2/27/202682,640 shares $8.65 million +6.9%0.1%0 $104.70
2/13/202677,285 shares $8.18 million -13.2%0.1%16.49 $105.83
1/30/202689,011 shares $8.23 million +0.1%0.1%890.11 $92.50
1/15/202688,919 shares $8.23 million +13.3%0.1%0 $92.50
12/31/202578,486 shares $7.26 million -3.5%0.1%484.48 $92.50
12/15/202581,942 shares $7.24 million -3.2%0.1%240.3 $88.40
11/28/202584,668 shares $7.63 million +10.3%0.1%900.72 $90.10
11/14/202578,305 shares $7.57 million +7.6%0.1%329.01 $96.70
10/31/202572,807 shares $6.84 million +10.7%0.1%109.81 $94.00
10/15/202565,800 shares $6.22 million -30.4%0.1%658 $94.50
9/30/202594,600 shares $8.94 million +9.1%N/A0 $94.48
9/15/202586,700 shares $8.19 million -8.2%N/A0 $94.48
8/31/202594,400 shares $9.25 million -8.4%0.1%944 $98.00
8/15/2025103,000 shares $9.68 million +25.8%N/A49 $94.00
7/31/202581,900 shares $6.78 million +2.3%0.1%409.5 $82.75
7/15/202580,100 shares $6.66 million +4.8%N/A801 $83.12
6/30/202576,400 shares $6.35 million +34.3%0.1%152.8 $83.12
6/15/202556,900 shares $4.39 million +23.7%0.1%81.3 $77.23
5/31/202546,000 shares $3.56 million -47.9%0.1%230 $77.41
5/15/202588,300 shares $7.31 million -14.2%0.1%176.6 $82.84
4/30/2025102,900 shares $8.31 million +10.4%N/A0 $80.78
4/15/202593,200 shares $6.45 million +84.2%0.1%466 $69.19
3/31/202550,600 shares $4.41 million -6.3%0.1%253 $87.20
3/15/202554,000 shares $4.79 million -13.9%0.1%90 $88.75
2/28/202562,700 shares $5.72 million +21.3%0.1%627 $91.20
2/15/202551,700 shares $5.01 million +21.1%0.1%517 $97.00
1/31/202542,700 shares $4.23 million +24.5%N/A53.4 $99.10
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1/15/202534,300 shares $2.89 million +19.1%N/A343 $84.36
12/31/202428,800 shares $2.41 million -16.8%N/A57.6 $83.75
12/15/202434,600 shares $3.22 million -36.3%N/A346 $93.00
11/30/202454,300 shares $4.59 million -31.5%N/A77.6 $84.46
11/15/202479,300 shares $6.87 million +145.5%N/A132.2 $86.61
10/31/202432,300 shares $2.80 million -2.1%N/A53.8 $86.61
10/15/202433,000 shares $2.99 million -42.6%N/A165 $90.75
9/30/202457,500 shares $5.58 million -37.1%N/A287.5 $97.10
9/15/202491,400 shares $8.87 million +2.2%N/A228.5 $97.03
8/31/202489,400 shares $8.47 million -1.8%N/A298 $94.75
8/15/202491,000 shares $8.90 million +13.3%N/A910 $97.80
7/31/202480,300 shares $8.56 million +5.8%N/A803 $106.56
7/15/202475,900 shares $8.19 million -33.1%N/A253 $107.90
6/30/2024113,400 shares $12.24 million +0.6%N/A1134 $107.90
6/15/2024112,700 shares $12.16 million +1.3%N/A281.8 $107.90
5/31/2024111,300 shares $12.80 million -16.4%N/A556.5 $115.00
5/15/2024133,100 shares $16.14 million +10.6%N/A190.1 $121.23
4/30/2024120,400 shares $13.67 million +1.7%N/A401.3 $113.50
4/15/2024118,400 shares $14.17 million +13.0%N/A1184 $119.70
3/31/2024104,800 shares $14.40 million +8.5%N/A1048 $137.44
3/15/202496,600 shares $13.21 million -9.0%N/A483 $136.78
2/29/2024106,100 shares $13.71 million -19.3%N/A1061 $129.25
2/15/2024131,500 shares $16.36 million +4.1%N/A1315 $124.40
1/15/202479,300 shares $9.93 million +10.0%N/A396.5 $125.25
12/31/202372,100 shares $9.42 million -22.2%N/A500.6 $130.70
12/15/202392,700 shares $11.97 million +22.8%N/A927 $129.18
11/30/202375,500 shares $8.58 million -3.2%N/A755 $113.70
11/15/202378,000 shares $8.42 million -18.3%N/A780 $107.95
10/31/202395,500 shares $9.63 million -17.7%N/A955 $100.85
10/15/2023116,000 shares $12.39 million +24.1%N/A386.7 $106.80
9/30/202393,500 shares $10.97 million +5.8%N/A467.5 $117.35
9/15/202388,400 shares $11.44 million +25.8%N/A0 $129.45
8/31/202370,300 shares $9.10 million +26.0%N/A1563 $129.45
8/15/202355,800 shares $7.73 million -1.1%N/A558 $138.50
7/31/202356,400 shares $7.42 million -14.0%N/A0 $131.50
7/15/202365,600 shares $8.63 million +11.6%N/A656 $131.50
6/30/202358,800 shares $7.95 million +0.3%N/A588 $135.15
6/15/202358,600 shares $8.39 million -4.7%N/A586 $143.11
5/31/202361,500 shares $8.39 million +0.5%N/A615 $136.45
5/15/202361,200 shares $8.40 million -0.8%N/A0 $137.25
4/30/202361,700 shares $8.47 million -0.2%N/A617 $137.25
4/15/202361,800 shares $8.91 million +0.8%N/A618 $144.15
3/31/202361,300 shares $8.59 million -4.8%N/A613 $140.05
3/15/202364,400 shares $9.02 million +15.0%N/A214.7 $140.05
2/28/202356,000 shares $7.99 million -27.9%N/A560 $142.75
2/15/202377,700 shares $11.13 million -9.4%N/A777 $143.23
1/31/202385,800 shares $12.17 million -10.0%N/A858 $141.87
1/15/202395,300 shares $13.21 million -10.8%N/A953 $138.57
12/30/2022106,800 shares $13.54 million No ChangeN/A534 $126.76
12/15/2022106,800 shares $14.24 million -11.6%N/A1068 $133.30
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11/30/2022120,800 shares $16.10 million -1.2%N/A1208 $133.30
11/15/2022122,200 shares $16.96 million -3.3%N/A1222 $138.80
10/31/2022126,400 shares $15.84 million +1.2%N/A1264 $125.33
10/15/2022124,900 shares $14.35 million -1.3%N/A624.5 $114.92
9/30/2022126,600 shares $13.99 million -4.5%N/A57.5 $110.50
9/15/2022132,500 shares $16.95 million +15.8%N/A662.5 $127.90
8/31/2022114,400 shares $15.05 million -4.8%N/A1144 $131.55
8/15/2022120,200 shares $17.17 million -13.0%N/A1202 $142.85
7/31/2022138,100 shares $18.82 million -9.5%N/A690.5 $136.25
7/15/2022152,600 shares $18.83 million -12.1%N/A1526 $123.37
6/30/2022173,600 shares $20.29 million +16.4%N/A868 $116.90
6/15/2022149,200 shares $16.64 million +2.6%N/A1492 $111.55
5/31/2022145,400 shares $18.57 million +9.9%N/A1454 $127.71
5/15/2022132,300 shares $17.30 million +4.0%N/A264.6 $130.77
4/30/2022127,200 shares $19.18 million +3.3%N/A318 $150.80
4/15/2022123,100 shares $19.68 million -4.7%N/A1231 $159.86
3/31/2022129,200 shares $20.62 million -10.0%N/A1292 $159.60
3/15/2022143,600 shares $23.19 million +6.3%N/A1436 $161.52
2/28/2022135,100 shares $20.94 million -1.8%N/A1351 $155.00
2/15/2022137,500 shares $23.42 million +3.4%N/A1375 $170.30
1/31/2022133,000 shares $23.38 million +14.7%N/A1330 $175.80
1/15/2022116,000 shares $22.97 million +12.6%N/A1160 $198.00
12/31/2021103,000 shares $21.12 million -3.6%N/A1030 $205.09
12/15/2021106,800 shares $22.09 million +8.5%N/A1068 $206.86
11/30/202198,400 shares $21.27 million +1.7%N/A984 $216.20
11/15/202196,800 shares $22.27 million No ChangeN/A322.7 $230.10
10/29/202196,800 shares $20.40 million +0.1%N/A968 $210.70
10/15/202196,700 shares $21.77 million +0.3%N/A967 $225.15
9/30/202196,400 shares $21.70 million No ChangeN/A964 $225.15

SPXSF Short Interest - Frequently Asked Questions

Short interest is the volume of Spirax-Sarco Engineering shares that have been sold short but have not yet been covered or closed out. As of August 31st, traders have sold 46,827 shares of SPXSF short. 0.06% of Spirax-Sarco Engineering's shares are currently sold short. Learn More on Spirax-Sarco Engineering'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. SPXSF shares currently have a short interest ratio of 228.4. Learn More on Spirax-Sarco Engineering'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. 0.06% of Spirax-Sarco Engineering's floating shares are currently sold short.

Spirax-Sarco Engineering saw a drop in short interest in the month of August. As of August 31st, there was short interest totaling 46,827 shares, a drop of 4.1% from the previous total of 48,831 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.

0.06% of Spirax-Sarco Engineering's shares are currently sold short. Here is how the short interest of companies in the industry of "machinery" compare to Spirax-Sarco Engineering: Ingersoll Rand Inc. (3.43%), Kone Oyj Unsponsored ADR (0.00%), Otis Worldwide Corporation (3.98%), Symbotic Inc. (3.03%), Dover Corporation (3.79%), Xylem Inc. (3.45%), VAT Group AG - Unsponsored ADR (0.00%), Kubota Corp. (0.01%), Ihi Corp (0.00%), Wartsila (0.00%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($62.68 billion), Invesco QQQ ($47.06 billion), iShares Russell 2000 ETF ($23.54 billion), SPDR S&P Biotech ETF ($12.10 billion), Nebius Group N.V. ($9.34 billion), Western Digital Corporation ($8.96 billion), Financial Select Sector SPDR Fund ($8.16 billion), iShares 20+ Year Treasury Bond ETF ($7.98 billion), iShares iBoxx $ High Yield Corporate Bond ETF ($7.52 billion), and VanEck Semiconductor ETF ($7.39 billion). View all of the most shorted stocks.

Short selling SPXSF is an investing strategy that aims to generate trading profit from Spirax-Sarco Engineering 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 Spirax-Sarco Engineering 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 SPXSF, 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 SPXSF, twice per month. The most recent reporting period available is August, 31 2026.

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

  • 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 OTCMKTS:SPXSF is sourced from the Financial Industry Regulatory Authority (FINRA), with the most recent report published on 9/24/2026. FINRA publishes updated short interest twice a month.
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