Free Trial
→ Your book is inside (From Profits Run) (Ad)tc pixel Free NBBK Stock Alerts

NB Bancorp (NBBK) Short Interest Ratio & Short Volume

NB Bancorp logo
$19.17 -0.45 (-2.29%)
Closing price 04:00 PM Eastern
Extended Trading
$19.16 -0.01 (-0.03%)
As of 04:40 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.
Compare

NB Bancorp Short Interest Overview

As of April 30, 2026, NB Bancorp (NBBK) had a short interest of 1.70 million shares sold short, representing 3.97% of the public float. This marks a -0.72% decrease in short interest since the prior report. The short interest ratio (days to cover) is 3.5, meaning it would take 3.5 days of the average trading volume of 426,908 shares to cover all short positions.

Current Short Interest
1,700,290 shares
Previous Short Interest
1,712,688 shares
Change Vs. Previous Month
-0.72%
Dollar Volume Sold Short
$33.38 million
Short Interest Ratio
3.5 Days to Cover
Last Record Date
April 30, 2026
Outstanding Shares
44,710,000 shares
Short Percent of Float
3.97%
Today's Trading Volume
217,343 shares
Average Trading Volume
426,908 shares
Today's Volume Vs. Average
51%
Short Selling NB Bancorp?
A Guide To High-Short-Interest Stocks

Sign up to receive the latest short interest report for NB Bancorp and its competitors with MarketBeat's FREE newsletter.

Get Report
SMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy.
Skip Charts & View Short Interest History
Short Interest ChartDays to Cover ChartShort Percent of Float Chart

NBBK Short Interest Over Time

NBBK Days to Cover Over Time

NBBK Percentage of Float Shorted Over Time

NB Bancorp Tesla Short Interest History & Recent Changes

Export
Report DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date
4/30/20261,700,290 shares $33.38 million -0.7%4.0%3.48 $19.63
4/15/20261,712,688 shares $38.43 million -4.1%4.0%7.56 $22.44
3/31/20261,785,635 shares $37.62 million +18.6%4.2%7.32 $21.07
3/13/20261,505,269 shares $31.34 million +15.5%3.4%4.5 $20.82
2/27/20261,303,866 shares $27.82 million -8.2%2.9%3.81 $21.34
2/13/20261,420,733 shares $31.43 million -6.0%3.6%4.1 $22.12
1/30/20261,511,911 shares $32.84 million +3.0%3.9%3.33 $21.72
1/15/20261,468,529 shares $29.68 million +5.2%3.8%7.92 $20.21
12/31/20251,396,148 shares $27.67 million -18.9%3.6%6.76 $19.82
12/15/20251,721,516 shares $36.17 million +1.5%4.4%7.8 $21.01
11/28/20251,696,705 shares $33.23 million -17.4%4.3%3.92 $19.59
11/14/20252,053,029 shares $39.60 million -0.6%5.3%5.6 $19.29
10/31/20252,066,037 shares $37.33 million +3.6%5.3%8.88 $18.07
10/15/20251,990,000 shares $34.98 million +3.7%6.3%11.5 $17.58
9/30/20251,920,000 shares $33.89 million -1.0%6.1%10.4 $17.65
9/15/20251,940,000 shares $36.08 million No Change6.2%8.5 $18.60
8/31/20251,940,000 shares $36.65 million -4.0%6.2%7.3 $18.89
8/15/20252,020,000 shares $36.46 million +4.1%6.4%6.9 $18.05
7/31/20251,940,000 shares $33.43 million +2.1%5.9%7 $17.23
7/15/20251,900,000 shares $35.72 million -2.1%5.8%6.8 $18.80
6/30/20251,940,000 shares $34.65 million +18.3%5.6%7 $17.86
6/15/20251,640,000 shares $26.60 million +27.1%4.7%6.4 $16.22
5/31/20251,290,000 shares $21.89 million +3.2%3.7%5.5 $16.97
5/15/20251,250,000 shares $22.20 million -1.6%3.6%5.8 $17.76
4/30/20251,270,000 shares $21.78 million +25.7%3.8%5.7 $17.15
4/15/20251,010,000 shares $16.45 million -17.2%2.9%4 $16.29
3/31/20251,220,000 shares $22.05 million +24.5%3.6%4.8 $18.07
3/15/2025980,300 shares $18.20 million +7.3%2.9%3.9 $18.57
2/28/2025913,400 shares $17.65 million -17.7%2.4%4 $19.32
2/15/20251,110,000 shares $21.40 million -5.1%2.9%5.2 $19.28
1/31/20251,170,000 shares $22.42 million -10.0%3.1%5.5 $19.16
1/15/20251,300,000 shares $23.18 million -7.8%3.4%6.7 $17.83
12/31/20241,410,000 shares $25.46 million -18.0%3.7%8.6 $18.06
12/15/20241,720,000 shares $35.02 million -1.7%4.5%10.8 $20.36
11/30/20241,750,000 shares $35.25 million -3.9%4.6%11.2 $20.14
11/15/20241,820,000 shares $36.36 million -4.2%4.8%10.8 $19.98
10/31/20241,900,000 shares $35.89 million -9.5%4.5%11 $18.89
10/15/20242,100,000 shares $39.14 million -5.0%5.0%10 $18.64
9/30/20242,210,000 shares $41.02 million -6.0%5.3%8.2 $18.56
9/15/20242,350,000 shares $42.68 million -0.8%5.6%5.7 $18.16
$30 stock to buy before Starlink goes public (WATCH NOW!) (Ad)

In the next 3 minutes… James Altucher – legendary investor and venture capitalist… And someone who’s known for playing his cards “close to the vest”… Is going to give you the name and ticker symbol of a company he believes will skyrocket thanks to the coming Starlink IPO…tc pixel

Click here to watch this short 3-minute video now.
8/31/20242,370,000 shares $44.75 million -4.1%5.6%5.8 $18.88
8/15/20242,470,000 shares $44.06 million +1.2%5.9%6.1 $17.84
7/31/20242,440,000 shares $46.65 million -0.4%5.8%5.7 $19.12
7/15/20242,450,000 shares $40.67 million +154.0%5.8%5.9 $16.60
6/30/2024964,700 shares $14.55 million +75.9%2.3%2.7 $15.08
6/15/2024548,400 shares $7.99 million +18.2%1.3%2.2 $14.57
5/31/2024464,000 shares $7.02 million -30.6%1.1%1.5 $15.12
5/15/2024668,800 shares $10.45 million +1.4%1.6%2.1 $15.62
4/30/2024659,700 shares $9.64 million -14.5%1.6%2 $14.62
4/15/2024771,400 shares $10.38 million -8.1%1.8%2.3 $13.46
3/31/2024838,900 shares $11.46 million +339.7%2.0%2.1 $13.66
3/15/2024190,800 shares $2.67 million +51.2%0.5%0.3 $13.97
2/29/2024126,200 shares $1.77 million +21.2%0.3%0.2 $14.00
2/15/2024104,100 shares $1.46 million +13.4%0.3%0.2 $14.03
1/31/202491,800 shares $1.28 million No Change0.2%0.1 $13.99

NBBK Short Interest - Frequently Asked Questions

Short interest is the volume of NB Bancorp shares that have been sold short but have not yet been closed out or covered. As of April 30th, investors have sold 1,700,290 shares of NBBK short. 3.97% of NB Bancorp's shares are currently sold short. Learn More on NB Bancorp'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. NBBK shares currently have a short interest ratio of 3.5. Learn More on NB Bancorp'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. 3.97% of NB Bancorp's floating shares are currently sold short.

NB Bancorp saw a drop in short interest in the month of April. As of April 30th, there was short interest totaling 1,700,290 shares, a drop of 0.7% from the previous total of 1,712,688 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.

3.97% of NB Bancorp's shares are currently sold short. Here is how the short interest of companies compare to NB Bancorp: First Busey Corporation (4.07%), Pathward Financial, Inc. (10.33%), First Financial Bancorp. (3.82%), First Mid Bancshares, Inc. (1.05%), First Merchants Corporation (1.68%), Shore Bancshares Inc (2.17%), S&T Bancorp, Inc. (3.83%), First Financial Corporation Indiana (2.20%), Trustmark Corporation (4.79%), WSFS Financial Corporation (3.21%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($86.09 billion), Invesco QQQ ($39.89 billion), iShares Russell 2000 ETF ($26.13 billion), Western Digital Corporation ($12.66 billion), Salesforce Inc. ($12.29 billion), Sandisk Corporation ($11.87 billion), SPDR S&P Biotech ETF ($9.82 billion), Lumentum Holdings Inc. ($8.51 billion), iShares 20+ Year Treasury Bond ETF ($7.76 billion), and Bloom Energy Corporation ($7.40 billion). View all of the most shorted stocks.

Short selling NBBK is an investing strategy that aims to generate trading profit from NB Bancorp as its price is falling. NBBK shares are trading down $0.45 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 NB Bancorp 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 NBBK, 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 NBBK, twice per month. The most recent reporting period available is April, 30 2026.

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

  • 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

This page (NASDAQ:NBBK) was last updated on 5/15/2026 by MarketBeat.com Staff.
From Our Partners
SpaceX eyes a 1.75 trillion valuation - here's what to know
Elon Musk's team has quietly filed confidential paperwork with the SEC for what Bloomberg estimates could be a...
Brownstone Research | Sponsoredtc pixel
$30 stock to buy before Starlink goes public (WATCH NOW!)
In the next 3 minutes… James Altucher – legendary investor and venture capitalist… And someone who’s kno...
Paradigm Press | Sponsoredtc pixel
Your book attached
Your Download Link (Expiring) If you still haven't downloaded the free Simple Options Trading For Beginners...
Profits Run | Sponsoredtc pixel
My feud with Zohran Mamdani
Emmy-winning analyst releases his next big story Whitney Tilson shocked the nation on 60 Minutes when he ac...
Stansberry Research | Sponsoredtc pixel
Iran War Shock: What I Was Told In That Private Meeting
You’re Being LIED To About The Iran War Forget EVERYTHING you’ve heard about the Iran war. Especially th...
Banyan Hill Publishing | Sponsoredtc pixel
Why this tiny stock may move before the SpaceX IPO drops
The projected SpaceX and xAI S-1 filing hits the SEC on June 1st - and analyst Dylan Jovine says $1.75 trillio...
Behind the Markets | Sponsoredtc pixel
Satellite Images Spot Potential $10 Trillion Discovery
'Dark Energy': Elon Musk's Next Potential $10 Trillion Move A highly secure site in West Texas now houses a...
Altimetry | Sponsoredtc pixel
Revealed: The World’s First Trillion-Dollar Robot
Jensen Huang stood in Las Vegas and laid out Nvidia's vision for building the world's first trillion-dollar ro...
Weiss Ratings | Sponsoredtc pixel