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Spok (SPOK) Short Interest Ratio & Short Volume

Spok logo
$10.41 +0.04 (+0.39%)
Closing price 09/29/2026 04:00 PM Eastern
Extended Trading
$10.40 -0.01 (-0.05%)
As of 09/29/2026 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Spok Short Interest Overview

As of September 15, 2026, Spok (SPOK) had a short interest of 679,661 shares sold short, representing 3.50% of the public float. This marks a 14.44% increase in short interest since the prior report. The short interest ratio (days to cover) is 5.8, meaning it would take 5.8 days of the average trading volume of 121,785 shares to cover all short positions.

Current Short Interest
679,661 shares
Previous Short Interest
593,895 shares
Change Vs. Previous Month
14.44%
Dollar Volume Sold Short
$7.27 million
Short Interest Ratio
5.8 Days to Cover
Last Record Date
September 15, 2026
Outstanding Shares
20,920,000 shares
Short Percent of Float
3.50%
Today's Trading Volume
90,441 shares
Average Trading Volume
121,785 shares
Today's Volume Vs. Average
74%
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

SPOK Short Interest Over Time

SPOK Days to Cover Over Time

SPOK Percentage of Float Shorted Over Time

Spok 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
9/15/2026679,661 shares $7.27 million +14.4%3.5%5.75 $10.70
8/31/2026593,895 shares $6.24 million +1.2%3.1%3.3 $10.51
8/14/2026586,769 shares $6.43 million +1.6%3.0%3.35 $10.96
7/31/2026577,280 shares $6.29 million +3.1%3.0%4.09 $10.90
7/15/2026560,202 shares $5.90 million +15.7%2.9%3.82 $10.53
6/30/2026484,020 shares $4.96 million +5.5%2.5%2 $10.24
6/15/2026458,730 shares $4.86 million -14.2%2.4%3.34 $10.60
5/29/2026534,481 shares $5.66 million -3.3%2.8%3.1 $10.59
5/15/2026552,947 shares $6.00 million +13.3%2.9%2.8 $10.85
4/30/2026487,949 shares $5.22 million +7.2%2.5%3.25 $10.69
4/15/2026455,214 shares $5.04 million -12.5%2.4%2.94 $11.07
3/31/2026520,296 shares $5.67 million -2.4%2.7%2.96 $10.90
3/13/2026532,995 shares $6.28 million -7.7%2.8%2.89 $11.78
2/27/2026577,687 shares $7.01 million +26.3%3.0%2.17 $12.14
2/13/2026457,339 shares $6.27 million +6.8%2.4%3.06 $13.72
1/30/2026428,096 shares $5.89 million +30.4%2.2%2.56 $13.77
1/15/2026328,368 shares $4.34 million +22.6%1.7%2.06 $13.23
12/31/2025267,833 shares $3.53 million -15.4%1.4%1.6 $13.19
12/15/2025316,567 shares $4.18 million -8.3%1.7%1.96 $13.20
11/28/2025345,238 shares $4.60 million +37.3%1.8%1.83 $13.33
11/14/2025251,484 shares $3.50 million -14.6%1.3%1.51 $13.90
10/31/2025294,487 shares $4.21 million -6.0%1.5%1.77 $14.29
10/15/2025313,400 shares $5.00 million -0.7%1.6%2.5 $15.95
9/30/2025315,700 shares $5.45 million -2.2%N/A2.6 $17.25
9/15/2025322,800 shares $5.64 million -1.2%N/A2.5 $17.47
8/31/2025326,600 shares $5.93 million +22.6%1.7%2.5 $18.16
8/15/2025266,400 shares $4.90 million +66.7%N/A2.1 $18.41
7/31/2025159,800 shares $2.93 million -3.6%0.8%1.4 $18.34
7/15/2025165,800 shares $2.92 million +2.3%N/A1.2 $17.63
6/30/2025162,100 shares $2.87 million +23.6%0.9%1.1 $17.68
6/15/2025131,200 shares $2.14 million -2.9%0.7%1 $16.30
5/31/2025135,100 shares $2.20 million -4.5%0.7%0.9 $16.29
5/15/2025141,500 shares $2.37 million -49.0%0.8%0.9 $16.77
4/30/2025277,600 shares $3.98 million -5.3%N/A1.8 $14.34
4/15/2025293,200 shares $4.58 million +4.6%1.6%2.3 $15.62
3/31/2025280,400 shares $4.61 million +7.3%1.5%2.3 $16.44
3/15/2025261,400 shares $4.13 million -10.4%1.4%2.3 $15.79
2/28/2025291,800 shares $4.92 million -8.0%1.6%2.7 $16.85
2/15/2025317,200 shares $5.37 million -1.9%1.7%3.4 $16.92
1/31/2025323,300 shares $5.20 million -6.6%N/A3.2 $16.08
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1/15/2025346,000 shares $5.60 million -1.6%N/A3.4 $16.18
12/31/2024351,700 shares $5.64 million +18.7%N/A3.4 $16.05
12/15/2024296,400 shares $4.95 million +17.1%N/A2.7 $16.70
11/30/2024253,100 shares $4.15 million -30.9%N/A2.4 $16.41
11/15/2024366,000 shares $6.05 million +28.3%N/A3.4 $16.54
10/31/2024285,300 shares $4.44 million -3.3%N/A2.5 $15.57
10/15/2024294,900 shares $4.32 million -14.2%N/A2.6 $14.66
9/30/2024343,500 shares $5.17 million +4.1%N/A2.9 $15.06
9/15/2024330,000 shares $5.10 million -23.9%N/A2.8 $15.44
8/31/2024433,700 shares $6.45 million +20.5%N/A3.6 $14.87
8/15/2024359,800 shares $5.58 million -27.3%N/A2.9 $15.50
7/31/2024494,700 shares $7.58 million -10.8%N/A4 $15.33
7/15/2024554,500 shares $8.88 million +36.1%N/A4.4 $16.01
6/30/2024407,300 shares $6.03 million -7.3%N/A3.2 $14.81
6/15/2024439,300 shares $6.30 million -3.8%N/A3.3 $14.33
5/31/2024456,400 shares $6.94 million -10.1%N/A3.2 $15.21
5/15/2024507,900 shares $7.78 million +5.3%N/A3.3 $15.32
4/30/2024482,200 shares $7.45 million -4.3%N/A3 $15.45
4/15/2024504,100 shares $7.61 million +16.7%2.6%3.2 $15.10
3/31/2024431,800 shares $6.89 million -34.3%2.2%2.8 $15.95
3/15/2024657,600 shares $11.23 million +27.6%3.4%4.3 $17.07
2/29/2024515,400 shares $9.26 million +12.6%2.7%3.1 $17.97
2/15/2024457,600 shares $7.46 million +9.2%2.4%2.5 $16.31
1/31/2024419,200 shares $6.94 million -28.8%2.2%2.3 $16.56
1/15/2024589,100 shares $8.97 million +5.9%3.3%3.2 $15.22
12/31/2023556,500 shares $8.61 million -1.0%3.0%2.9 $15.48
12/15/2023561,900 shares $8.04 million +19.3%3.1%2.9 $14.31
11/30/2023471,000 shares $7.89 million -33.9%2.6%2.3 $16.76
11/15/2023713,000 shares $11.28 million +61.7%3.9%3.8 $15.82
10/31/2023441,000 shares $6.58 million -31.5%2.4%2.4 $14.91
10/15/2023643,300 shares $9.62 million +53.4%3.5%2.9 $14.96
9/30/2023419,400 shares $5.98 million +5.7%2.3%1.8 $14.27
9/15/2023396,700 shares $5.82 million -33.6%2.2%1.6 $14.68
8/31/2023597,500 shares $8.51 million +41.7%3.3%2.3 $14.24
8/15/2023421,800 shares $5.77 million -10.0%2.3%1.6 $13.68
7/31/2023468,800 shares $6.87 million +0.2%2.6%1.8 $14.66
7/15/2023467,700 shares $5.07 million -10.5%2.6%1.9 $10.85
6/30/2023522,300 shares $6.94 million +53.8%2.9%2.1 $13.29
6/15/2023339,700 shares $4.31 million +5.4%1.9%1.3 $12.70
5/31/2023322,200 shares $3.80 million -10.0%1.8%1.3 $11.80
5/15/2023357,900 shares $4.73 million -4.8%2.0%1.4 $13.21
4/30/2023376,100 shares $4.60 million +84.4%2.1%1.5 $12.23
4/15/2023204,000 shares $2.44 million +14.7%1.1%0.9 $11.96
3/31/2023177,900 shares $1.80 million +40.3%1.0%0.8 $10.13
3/15/2023126,800 shares $1.23 million +68.0%0.7%0.7 $9.68
2/28/202375,500 shares $754.25 thousand -8.7%0.4%0.4 $9.99
2/15/202382,700 shares $719.49 thousand +141.8%0.5%0.5 $8.70
1/31/202334,200 shares $285.57 thousand -40.2%0.2%0.2 $8.35
1/15/202357,200 shares $474.76 thousand +31.8%0.3%0.3 $8.30
12/30/202243,400 shares $355.45 thousand -34.0%0.3%0.2 $8.19
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12/15/202265,800 shares $525.08 thousand -60.9%0.4%0.3 $7.98
11/30/2022168,300 shares $1.37 million -72.1%1.0%0.9 $8.12
11/15/2022602,900 shares $4.93 million +51.9%3.4%3.5 $8.18
10/31/2022396,800 shares $3.49 million -19.6%2.2%2.6 $8.79
10/15/2022493,500 shares $3.78 million +33.4%2.8%3.8 $7.66
9/30/2022369,900 shares $2.83 million -13.4%2.1%2.9 $7.64
9/15/2022427,200 shares $3.14 million +18.5%2.4%3.4 $7.34
8/31/2022360,600 shares $2.60 million +8.8%2.0%3.2 $7.20
8/15/2022331,300 shares $2.47 million +11.1%1.9%2.8 $7.45
7/31/2022298,200 shares $1.97 million +1.0%1.7%2.7 $6.61
7/15/2022295,400 shares $1.88 million -11.5%1.7%2.7 $6.38
6/30/2022333,700 shares $2.10 million +3.3%1.9%2.9 $6.30
6/15/2022323,200 shares $2.19 million -2.5%1.7%2.8 $6.78
5/31/2022331,600 shares $2.33 million +19.3%1.9%3.1 $7.03
5/15/2022278,000 shares $1.98 million +10.2%1.6%2.4 $7.14
4/30/2022252,200 shares $1.74 million +0.5%1.4%2.1 $6.88
4/15/2022250,900 shares $2.05 million +4.5%1.4%2.5 $8.16
3/31/2022240,200 shares $1.92 million +95.8%1.4%2.5 $7.98
3/15/2022122,700 shares $1.01 million +9.7%0.7%1.3 $8.20
2/28/2022111,900 shares $980.24 thousand +12.6%0.6%1.1 $8.76
2/15/202299,400 shares $994 thousand -9.8%0.6%1 $10.00
1/31/2022110,200 shares $1.09 million +6.3%0.6%1.3 $9.88
1/15/2022103,700 shares $995.52 thousand +9.7%0.6%1.1 $9.60
12/31/202194,500 shares $881.69 thousand -40.0%0.6%1 $9.33
12/15/2021157,400 shares $1.42 million +41.8%0.9%1.4 $9.00
11/30/2021111,000 shares $1.07 million -0.3%0.6%1 $9.65
11/15/2021111,300 shares $1.13 million -47.9%0.6%0.6 $10.13
10/29/2021213,600 shares $2.20 million -4.7%1.2%0.9 $10.29
10/15/2021224,200 shares $2.22 million -64.8%1.3%0.6 $9.91
9/30/2021636,200 shares $6.50 million -4.2%3.7%1.7 $10.22

SPOK Short Interest - Frequently Asked Questions

Short interest is the volume of Spok shares that have been sold short but have not yet been closed out or covered. As of September 15th, traders have sold 679,661 shares of SPOK short. 3.50% of Spok's shares are currently sold short. Learn More on Spok'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. SPOK shares currently have a short interest ratio of 5.8. Learn More on Spok'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. 3.50% of Spok's floating shares are currently sold short.

Spok saw a increase in short interest in September. As of September 15th, there was short interest totaling 679,661 shares, an increase of 14.4% from the previous total of 593,895 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.

3.50% of Spok's shares are currently sold short. Here is how the short interest of companies in the sector of "communication services" compare to Spok: Gogo Inc. (13.88%), KVH Industries, Inc. (5.59%), T-Mobile US, Inc. (1.69%), Vodafone Group PLC (0.40%), SK Telecom Co., Ltd. (0.86%), TIM S.A. Sponsored ADR (0.62%), VEON Ltd. (0.32%), Turkcell Iletisim Hizmetleri AS (0.28%), Kyivstar Group (0.84%), Anterix Inc. (14.02%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($75.21 billion), Invesco QQQ ($46.31 billion), iShares Russell 2000 ETF ($27.98 billion), SPDR S&P Biotech ETF ($11.59 billion), Nebius Group N.V. ($9.70 billion), Canadian Natural Resources Limited ($9.42 billion), iShares 20+ Year Treasury Bond ETF ($8.70 billion), iShares iBoxx $ High Yield Corporate Bond ETF ($8.53 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($7.79 billion), and Financial Select Sector SPDR Fund ($7.74 billion). View all of the most shorted stocks.

Short selling SPOK is an investing strategy that aims to generate trading profit from Spok as its price is falling. SPOK shares are trading up $0.04 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 Spok 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 SPOK, 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 SPOK, twice per month. The most recent reporting period available is September, 15 2026.

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

  • 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 NASDAQ:SPOK 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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