Close this search box.

Table of Contents

Open-Market Transaction


An open-market transaction refers to the buying and selling of publically traded securities in the open market. It’s conducted by central banks usually with the intent of controlling the money supply and adjusting interest rates. This activity can significantly impact the economy and the value of a nation’s currency.


The phonetic transcription for “Open-Market Transaction” is:/ˈoʊpən ˈmɑːrkɪt trænˈzækʃən/

Key Takeaways

  1. Direct Influence on Money Supply: Open-market transactions are a key tool used by central banks to directly influence the money supply in the economy. When these banks buy government securities, they increase the money supply, and when they sell these securities, they decrease the money supply.
  2. Interest Rate Management: Open-market transactions help manage interest rates. Central banks, like the U.S. Federal Reserve, buy or sell government bonds to manage the federal funds rate – the interest rate at which banks lend their reserves to each other overnight. This interest rate is the basis for other interest rates in the economy, affecting consumer loans, mortgages, and other financial products.
  3. Economic Stability: Open-market operations are critical for economic stability. In times of economic distress, a central bank may buy government securities on the open market to inject more money into the banking system, improving liquidity and helping to stabilize the economy. Conversely, when the economy is overheating, the central bank may sell securities to pull money out of the banking system, slowing down economic activity and helping prevent inflation.


Open-market transactions are essential in the world of business and finance as they directly impact the trading of securities. In an open-market transaction, company insiders decide to buy or sell their company shares in the public market. This term is crucial as it often provides insights into the executive and directors’ thoughts about the company’s value and future direction. Also, these transactions contribute to the determination of market prices and can, indirectly, influence the value of investors’ stocks. The open-market operations of a nation’s central bank, such as purchasing and selling government bonds, also affect macroeconomic factors like inflation, foreign exchange rates, and short-term interest rates, signaling important information about the country’s monetary policy.


Open-market transactions serve a dual purpose in the world of finance and business. First, they act as a key mechanism for central banks to implement monetary policy. When central banks seek to adjust money supply levels within their economies, they may execute open-market transactions by buying or selling government bonds. For instance, to stimulate the economy, a central bank might purchase government securities, effectively pumping money into the financial market, or they might sell those securities to withdraw excess money from circulation, helping to keep inflation at bay. On the other hand, open-market transactions carry another significance on a corporate level. Shareholders and company executives often engage in these transactions to buy or sell the company’s publicly traded stocks. When executives or insiders buy shares in the open market, it may signal to the market their confidence in the company’s prospects, often driving investor sentiment and possibly influencing the stock price. Conversely, an insider selling shares could be taken as a lack of trust in the company’s future performance, hence, affecting market perception. In both central banking and corporate scenarios, market transparency through reporting these transactions is crucial to ensure fair practices and investor confidence.


1. Stock Buybacks: Corporations often engage in open-market transactions to buy back their own stocks. This is usually an indication that the company feels its shares are undervalued and it’s a good investment. For example, in 2019, Apple Inc. spent almost $67 billion buying back its own shares on the open market, signaling a belief in the ongoing strength of its business.2. Sale of Government Securities: In a bid to control inflation, adjust interest rates, or manage its currency’s exchange rate, a central bank like the Federal Reserve (US) might participate in Open-Market Transactions. This involves buying and selling government bonds. For instance, if the Federal Reserve wants to increase the money supply in the economy, it can buy government bonds from the individuals or firms in the open market.3. Purchase/Sale of Shares by Company Insiders: Company insiders like the board of directors or company executives also participate in open-market transactions. These insiders can buy or sell the company’s stock on the open market. For example, Mark Zuckerberg, CEO of Facebook, sold nearly $296 million in Facebook shares in August 2020 in open-market transactions. This information is often closely monitored as it can be an indicator of a company’s well-being from insiders’ perspective.

Frequently Asked Questions(FAQ)

What is an Open-Market Transaction?

Open-Market Transaction refers to the buying or selling of securities openly on the exchange market. It is usually driven by corporate insiders or corporations themselves and can indicate insider sentiment towards the company.

Who typically carries out Open-Market Transactions?

Open-Market Transactions are usually carried out by corporate insiders like CEOs, CFOs, and board members, or by the corporations themselves.

How do Open-Market Transactions impact the share’s price?

When insiders are buying shares in an Open-Market Transaction, it can cause the share’s price to rise due to increased demand. Similarly, when they sell shares, it can put downward pressure on the share price due to increased supply.

Are Open-Market Transactions transparent to the public?

Yes, the Securities and Exchange Commission (SEC) requires corporate insiders to disclose their open-market transactions. This information is accessible to the public which allows investors to observe the insider sentiment towards the company.

What might it mean if a company is conducting Open-Market Transactions?

If a company is buying back its own shares, it could mean that it believes the shares are undervalued, or it could be an attempt to reduce the number of outstanding shares and increase earnings per share (EPS). If the company is selling its own shares, it could be a sign that they need to raise capital.

Does an insider purchasing shares always imply good performance of the company?

Not necessarily. While it may suggest confidence in the company, it does not guarantee company’s good performance. Insiders may have other reasons for purchasing shares, and their judgement might be influenced by a number of factors.

Are Open-Market Transactions different from insider trading?

Yes, while both involve corporate insiders, Open-Market Transactions are legal and disclosed to the public. Insider trading refers to buying or selling stocks based on non-public material information and is illegal.

How can I find out about a company’s Open-Market Transactions?

The information about a company’s Open-Market Transactions is usually disclosed on the company’s filings with the Securities and Exchange Commission (SEC), accessible online via the SEC’s EDGAR database or on various financial news platforms.

Related Finance Terms

  • Securities: These are fungible and tradable financial instruments used to raise capital in public and private markets.
  • Central Bank: A financial institution responsible for the control of the country’s monetary policy, including buying and selling government securities to control money supply and interest rates.
  • Buyback: Also known as a repurchase, it’s the purchase by a company of its outstanding shares, reducing the quantity on the open market.
  • Treasury Bonds: These are government debt securities issued by the U.S. Department of Treasury to finance government spending as an alternative to taxation.
  • Monetary Policy: The actions of a central bank, currency board, or other regulatory committee that determine the size and rate of growth of the money supply, which in turn affects interest rates.

Sources for More Information

About Our Editorial Process

At Due, we are dedicated to providing simple money and retirement advice that can make a big impact in your life. Our team closely follows market shifts and deeply understands how to build REAL wealth. All of our articles undergo thorough editing and review by financial experts, ensuring you get reliable and credible money advice.

We partner with leading publications, such as Nasdaq, The Globe and Mail, Entrepreneur, and more, to provide insights on retirement, current markets, and more.

We also host a financial glossary of over 7000 money/investing terms to help you learn more about how to take control of your finances.

View our editorial process

About Our Journalists

Our journalists are not just trusted, certified financial advisers. They are experienced and leading influencers in the financial realm, trusted by millions to provide advice about money. We handpick the best of the best, so you get advice from real experts. Our goal is to educate and inform, NOT to be a ‘stock-picker’ or ‘market-caller.’ 

Why listen to what we have to say?

While Due does not know how to predict the market in the short-term, our team of experts DOES know how you can make smart financial decisions to plan for retirement in the long-term.

View our expert review board

About Due

Due makes it easier to retire on your terms. We give you a realistic view on exactly where you’re at financially so when you retire you know how much money you’ll get each month. Get started today.

Due Fact-Checking Standards and Processes

To ensure we’re putting out the highest content standards, we sought out the help of certified financial experts and accredited individuals to verify our advice. We also rely on them for the most up to date information and data to make sure our in-depth research has the facts right, for today… Not yesterday. Our financial expert review board allows our readers to not only trust the information they are reading but to act on it as well. Most of our authors are CFP (Certified Financial Planners) or CRPC (Chartered Retirement Planning Counselor) certified and all have college degrees. Learn more about annuities, retirement advice and take the correct steps towards financial freedom and knowing exactly where you stand today. Learn everything about our top-notch financial expert reviews below… Learn More