Info Gulp

What Is a Lot in Securities Trading?


Last Updated:
Info Gulp employs strict editorial principles to provide accurate, clear and actionable information. Learn more about our Editorial Policy.

    Highlights

  • A lot is the number of units of a financial instrument traded on an exchange, often standardized for efficiency
  • Round lots in stocks are typically 100 shares, but odd lots of fewer shares are also common
  • Bond lots can be $100,000 or $1 million, though individual investors can buy smaller face values
  • Options and futures use fixed lot sizes, like 100 shares per options contract or specific commodity amounts in futures
Table of Contents

What Is a Lot in Securities Trading?

Let me tell you directly: in securities trading, a lot simply means the number of units of a financial instrument you're buying or selling on an exchange. It's conveyed by the lot name, and while a round lot for stocks is 100 shares, you don't have to stick to that—you can trade any number, even if it's an odd lot under 100 shares.

How a Lot Works

You need to understand that lots are fixed quantities depending on the security. Back in the day, stocks traded in round lots of 100 shares, but with online trading, odd lots and mixed lots are routine. For instance, an odd lot is less than 100 shares, and a mixed lot is over 100 but not divisible by 100. The same goes for ETFs, where the round lot is also 100 shares.

Types of Lots

Now, let's break down the types based on what you're trading. For bonds, institutional investors deal in round lots of $100,000 or $1 million, but you as an individual can buy bonds with face values as low as $1,000—it's still considered an odd lot if it's not the full round amount.

In options, one lot equals 100 shares of the underlying stock per contract. So, if you buy a call option on Bank of America at a $24.50 strike and exercise it when the stock's at $26.15, you're getting 100 shares at that price.

Futures lots are contract sizes fixed by the exchange—like 5,000 bushels for corn or 100,000 CAD for a Canadian dollar contract. You can't negotiate these; they're standardized for liquidity.

For forex, you have micro lots of 1,000 base currency units, mini lots of 10,000, and standard lots of 100,000. Brokers might let you trade in increments of 1,000, but that's the minimum.

Frequently Asked Questions

  • Is it better to invest in bonds or stocks? It depends on your timeline—stocks for long-term growth, bonds for short-term safety.
  • What is a lot in forex trading? It's traded in micro (1,000), mini (10,000), or standard (100,000) units of the base currency.
  • What are futures? They're contracts to buy or sell an asset at a future date for a price set now, often involving delivery.

The Bottom Line

To wrap this up, lots matter differently depending on the market. In options and futures, you're locked into contract sizes, but in stocks and forex, you have flexibility with odd lots. Remember, standardization boosts liquidity, making trading efficient for everyone involved.

Other articles for you

What Is Discretionary Income?
What Is Discretionary Income?

Discretionary income is the money left after taxes and essentials for nonessential spending, differing from disposable income and impacting economic health.

What Is the Glass-Steagall Act?
What Is the Glass-Steagall Act?

The Glass-Steagall Act of 1933 separated commercial and investment banking to protect depositors after the 1929 crash and was repealed in 1999.

What Is Active Management?
What Is Active Management?

Active management involves professionals actively making buy, sell, and hold decisions in investment portfolios to outperform benchmarks, contrasting with passive strategies that track indexes.

What Is a Go-Shop Period?
What Is a Go-Shop Period?

A go-shop period allows a company to seek better acquisition offers after receiving an initial bid.

What Is a Certificate of Deposit (CD)?
What Is a Certificate of Deposit (CD)?

Certificates of deposit are fixed-rate savings accounts that offer higher interest than traditional savings but penalize early withdrawals.

What Is a Term Loan?
What Is a Term Loan?

A term loan offers businesses a lump sum of cash upfront with a structured repayment plan over a set period, often used for purchasing assets.

What Is Robotic Process Automation (RPA)?
What Is Robotic Process Automation (RPA)?

Robotic Process Automation (RPA) is software that automates repetitive office tasks to boost efficiency and cut costs.

What Is Insider Trading?
What Is Insider Trading?

Insider trading involves using material nonpublic information to trade securities, with some forms being legal under strict rules and others leading to severe penalties.

What Is BHD (Berhad)?
What Is BHD (Berhad)?

BHD, or Berhad, is a suffix used in Malaysia to denote public limited companies, distinguishing them from private ones marked by SDN BHD.

What Is a Joint Venture (JV)?
What Is a Joint Venture (JV)?

A joint venture is a business arrangement where parties pool resources for a specific project, sharing profits, losses, and responsibilities in a separate entity.

Follow Us

Share



by using this website you agree to our Cookies Policy

Copyright © Info Gulp 2025