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Nuveen S&P 500 Buy-Write Income Fund (BXMX) Short Interest Ratio & Short Volume

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Nuveen S&P 500 Buy-Write Income Fund Short Interest Overview

As of March 13, 2026, Nuveen S&P 500 Buy-Write Income Fund (BXMX) had a short interest of 38,830 shares sold short. This marks a 81.93% increase in short interest since the prior report. The short interest ratio (days to cover) is 0.3, meaning it would take 0.3 days of the average trading volume of 144,779 shares to cover all short positions.

Current Short Interest
38,830 shares
Previous Short Interest
21,343 shares
Change Vs. Previous Month
81.93%
Dollar Volume Sold Short
$540.13 thousand
Short Interest Ratio
0.3 Days to Cover
Last Record Date
March 13, 2026
Today's Trading Volume
133,600 shares
Average Trading Volume
144,779 shares
Today's Volume Vs. Average
92%
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

BXMX Short Interest Over Time

BXMX Days to Cover Over Time

BXMX Percentage of Float Shorted Over Time

Nuveen S&P 500 Buy-Write Income Fund 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
3/13/202638,830 shares $540.13 thousand +81.9%N/A0.26 $13.91
2/27/202621,343 shares $311.71 thousand -62.9%N/A0.14 $14.61
2/13/202657,520 shares $846.18 thousand +15.8%N/A0.37 $14.71
1/30/202649,685 shares $735.34 thousand -14.8%N/A0.32 $14.80
1/15/202658,343 shares $857.06 thousand -3.1%N/A0.37 $14.69
12/31/202560,178 shares $882.21 thousand +133.1%N/A0.34 $14.66
12/15/202525,816 shares $365.94 thousand -7.1%N/A0.2 $14.18
11/28/202527,777 shares $403.88 thousand +16.0%N/A0.19 $14.54
11/14/202523,940 shares $341.89 thousand +25.5%N/A0.22 $14.28
10/31/202519,075 shares $275.63 thousand -19.9%N/A0.14 $14.45
10/15/202523,800 shares $338.56 thousand -74.5%N/A0.2 $14.23
9/30/202593,200 shares $1.34 million -6.3%N/A0.7 $14.43
9/15/202599,500 shares $1.41 million +12.7%N/A0.8 $14.16
8/31/202588,300 shares $1.25 million -22.5%N/A0.7 $14.20
8/15/2025114,000 shares $1.61 million -25.5%N/A0.8 $14.14
7/31/2025153,000 shares $2.15 million -24.1%N/A1 $14.06
7/15/2025201,500 shares $2.81 million +64.9%N/A1.3 $13.95
6/30/2025122,200 shares $1.70 million -15.7%N/A0.7 $13.89
6/15/2025144,900 shares $1.94 million +34.4%N/A0.7 $13.39
5/31/2025107,800 shares $1.45 million -33.0%N/A0.5 $13.50
5/15/2025160,900 shares $2.16 million +97.9%N/A0.7 $13.44
4/30/202581,300 shares $1.05 million -38.2%N/A0.4 $12.87
4/15/2025131,500 shares $1.65 million +183.4%N/A0.6 $12.55
3/31/202546,400 shares $609.23 thousand -16.6%N/A0.2 $13.13
3/15/202555,600 shares $720.02 thousand -0.2%N/A0.3 $12.95
2/28/202555,700 shares $770.89 thousand +50.1%N/A0.3 $13.84
2/15/202537,100 shares $528.86 thousand -43.9%N/A0.2 $14.26
1/31/202566,100 shares $939.94 thousand +208.9%N/A0.4 $14.22
1/15/202521,400 shares $296.82 thousand -78.3%N/A0.1 $13.87
12/31/202498,600 shares $1.38 million +51.7%N/A0.6 $13.99
12/15/202465,000 shares $904.15 thousand +153.9%N/A0.4 $13.91
11/30/202425,600 shares $359.17 thousand +20.8%N/A0.2 $14.03
11/15/202421,200 shares $292.14 thousand -29.8%N/A0.1 $13.78
10/31/202430,200 shares $410.27 thousand +31.3%N/A0.2 $13.59
10/15/202423,000 shares $316.25 thousand -35.8%N/A0.1 $13.75
9/30/202435,800 shares $491.18 thousand +51.1%N/A0.2 $13.72
9/15/202423,700 shares $317.11 thousand +70.5%N/A0.1 $13.38
8/31/202413,900 shares $188.07 thousand -23.6%N/A0.1 $13.53
8/15/202418,200 shares $242.24 thousand -21.2%N/A0.1 $13.31
7/31/202423,100 shares $310.00 thousand -15.1%N/A0.1 $13.42
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7/15/202427,200 shares $368.56 thousand +209.1%N/A0.2 $13.55
6/30/20248,800 shares $118.80 thousand -60.0%N/A0.1 $13.50
6/15/202422,000 shares $293.26 thousand -10.2%N/A0.1 $13.33
5/31/202424,500 shares $322.67 thousand -34.8%N/A0.1 $13.17
5/15/202437,600 shares $503.09 thousand +235.7%N/A0.2 $13.38
4/30/202411,200 shares $142.02 thousand -26.3%N/A0.1 $12.68
4/15/202415,200 shares $192.58 thousand -84.3%N/A0.1 $12.67
3/31/202497,000 shares $1.28 million +758.4%N/A0.5 $13.23
3/15/202411,300 shares $145.54 thousand -26.1%N/A0.1 $12.88
2/29/202415,300 shares $201.96 thousand -26.1%N/A0.1 $13.20
2/15/202420,700 shares $274.69 thousand +1.0%N/A0.1 $13.27
1/31/202420,500 shares $262.61 thousand -74.4%N/A0.1 $12.81
1/15/202480,000 shares $1.03 million +35.6%N/A0.4 $12.86
12/31/202359,000 shares $756.97 thousand +50.1%N/A0.3 $12.83
12/15/202339,300 shares $497.93 thousand +2.9%N/A0.2 $12.67
11/30/202338,200 shares $487.81 thousand +1,023.5%N/A0.2 $12.77
11/15/20233,400 shares $42.30 thousand -81.7%N/A0 $12.44
10/31/202318,600 shares $221.71 thousand -80.7%N/A0.1 $11.92
10/15/202396,300 shares $1.21 million +358.6%N/A0.6 $12.52
9/30/202321,000 shares $265.86 thousand +42.9%N/A0.1 $12.66
9/15/202314,700 shares $186.54 thousand -27.9%N/A0.1 $12.69
8/31/202320,400 shares $269.69 thousand -67.6%N/A0.1 $13.22
8/15/202362,900 shares $832.17 thousand -28.3%N/A0.4 $13.23
7/31/202387,700 shares $1.19 million -55.4%N/A0.6 $13.59
7/15/2023196,800 shares $2.67 million +79.6%N/A1.3 $13.56
6/30/2023109,600 shares $1.47 million -42.4%N/A0.7 $13.37
6/15/2023190,300 shares $2.53 million -42.4%N/A1.3 $13.27
5/31/2023330,300 shares $4.39 million -2.3%N/A2.3 $13.28
5/15/2023338,100 shares $4.46 million -13.8%N/A2.4 $13.19
4/30/2023392,400 shares $5.19 million +2.2%N/A2.7 $13.22
4/15/2023384,000 shares $5.03 million +38.0%N/A2.5 $13.11
3/31/2023278,200 shares $3.64 million -20.4%N/A1.7 $13.09
3/15/2023349,600 shares $4.42 million -16.3%N/A2.1 $12.65
2/28/2023417,700 shares $5.53 million +24.9%N/A2.4 $13.25
2/15/2023334,400 shares $4.55 million +29.8%N/A1.9 $13.61
1/31/2023257,700 shares $3.43 million -33.5%N/A1.4 $13.31
1/15/2023387,200 shares $5.08 million -3.5%N/A2.1 $13.11
12/30/2022401,400 shares $5.08 million -0.5%N/A2.2 $12.65
12/15/2022403,300 shares $5.14 million -31.7%N/A2.1 $12.74
11/30/2022590,800 shares $7.96 million -7.9%N/A3.2 $13.47
11/15/2022641,600 shares $8.70 million +58.5%N/A3.7 $13.56
10/31/2022404,800 shares $5.21 million +13.7%N/A2.3 $12.86
10/15/2022356,000 shares $4.28 million No ChangeN/A2 $12.02
9/30/2022353,200 shares $4.20 million -50.8%N/A2 $11.88
9/15/2022717,100 shares $9.51 million +16.5%N/A4 $13.26
8/31/2022615,500 shares $8.22 million -0.3%N/A3.2 $13.36
8/15/2022617,100 shares $8.63 million +19.8%N/A3 $13.98
7/31/2022515,100 shares $6.93 million +6.6%N/A2.4 $13.46
7/15/2022483,400 shares $6.29 million +19.0%N/A2.3 $13.02
6/30/2022406,200 shares $5.02 million -45.6%N/A1.9 $12.37
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6/15/2022747,100 shares $9.47 million -1.8%N/A3.1 $12.67
5/31/2022760,900 shares $10.44 million +52.4%N/A3.4 $13.72
5/15/2022499,300 shares $6.63 million -1.5%N/A2.2 $13.28
4/30/2022507,000 shares $6.89 million +23.5%N/A2.4 $13.59
4/15/2022410,500 shares $5.78 million +61.5%N/A1.8 $14.09
3/31/2022254,200 shares $3.62 million +2,344.2%N/A1.1 $14.25
3/15/202210,400 shares $135.72 thousand -24.6%N/A0.1 $13.05
2/28/202213,800 shares $188.37 thousand -33.7%N/A0.1 $13.65
2/15/202220,800 shares $289.95 thousand -62.9%N/A0.1 $13.94
1/31/202256,000 shares $806.96 thousand -5.3%N/A0.3 $14.41
1/15/202259,100 shares $888.86 thousand -0.3%N/A0.3 $15.04
12/31/202159,300 shares $868.75 thousand +606.0%N/A0.4 $14.65
12/15/20218,400 shares $121.88 thousand -67.8%N/A0.1 $14.51
11/30/202126,100 shares $381.58 thousand -17.4%N/A0.2 $14.62
11/15/202131,600 shares $472.42 thousand -73.9%N/A0.2 $14.95
10/29/2021121,100 shares $1.81 million +105.6%N/A0.8 $14.91
10/15/202158,900 shares $861.12 thousand -6.8%N/A0.4 $14.62
9/30/202163,200 shares $899.34 thousand +102.6%N/A0.4 $14.23
9/15/202131,200 shares $456.14 thousand -49.7%N/A0.2 $14.62
8/31/202162,000 shares $928.76 thousand -43.7%N/A0.4 $14.98
8/13/2021110,100 shares $1.63 million +23.6%N/A0.6 $14.84
7/30/202189,100 shares $1.30 million +127.3%N/A0.5 $14.61
7/15/202139,200 shares $570.36 thousand +46.3%N/A0.2 $14.55
6/30/202126,800 shares $385.12 thousand -81.7%N/A0.1 $14.37

BXMX Short Interest - Frequently Asked Questions

Short interest is the volume of Nuveen S&P 500 Buy-Write Income Fund shares that have been sold short but have not yet been covered or closed out. As of March 13th, investors have sold 38,830 shares of BXMX short. Learn More on Nuveen S&P 500 Buy-Write Income Fund'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. BXMX shares currently have a short interest ratio of 0.3. Learn More on Nuveen S&P 500 Buy-Write Income Fund's short interest ratio.

Nuveen S&P 500 Buy-Write Income Fund saw a increase in short interest in the month of March. As of March 13th, there was short interest totaling 38,830 shares, an increase of 81.9% from the previous total of 21,343 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 ($78.05 billion), Invesco QQQ ($34.95 billion), iShares Russell 2000 ETF ($25.01 billion), iShares iBoxx $ High Yield Corporate Bond ETF ($11.90 billion), iShares 20+ Year Treasury Bond ETF ($10.45 billion), SPDR S&P Biotech ETF ($9.35 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($7.53 billion), Western Digital Corporation ($7.51 billion), Financial Select Sector SPDR Fund ($7.38 billion), and Lumentum Holdings Inc. ($7.15 billion). View all of the most shorted stocks.

Short selling BXMX is an investing strategy that aims to generate trading profit from Nuveen S&P 500 Buy-Write Income Fund 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 Nuveen S&P 500 Buy-Write Income Fund 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 BXMX, 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 BXMX, twice per month. The most recent reporting period available is March, 13 2026.

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

  • 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 (NYSE:BXMX) was last updated on 6/16/2026 by MarketBeat.com Staff.
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