Spread

A spread is the difference between two prices, rates, or yields. It commonly refers to the difference between the bid and ask price of a security or the difference between yields on different debt instruments.
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Updated on Jun 6, 2024
Reading time 4 minutes

3 key takeaways

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  • The spread indicates the difference between two financial metrics, such as bid and ask prices.
  • It is a measure of market liquidity and transaction costs.
  • Understanding spreads is crucial for trading, investment strategies, and assessing market conditions.

What is a spread?

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A spread refers to the difference between two prices, rates, or yields. The most common types of spreads are:

  • Bid-ask spread: This is the difference between the bid price (the highest price a buyer is willing to pay) and the ask price (the lowest price a seller is willing to accept) for a security. The bid-ask spread is a key indicator of market liquidity and transaction costs. A narrower spread typically indicates a more liquid market, while a wider spread suggests lower liquidity and higher costs for executing trades.
  • Yield spread: This is the difference between the yields on two different debt instruments, such as bonds. Yield spreads can provide insights into market perceptions of risk, economic conditions, and future interest rate movements. For example, the spread between corporate bonds and government bonds can reflect the perceived credit risk of the corporate issuer.
  • Credit spread: This refers to the difference in yield between a corporate bond and a comparable maturity government bond. The credit spread indicates the additional yield that investors require for taking on the additional credit risk of the corporate bond.

Examples of spreads in practice

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  • Bid-ask spread example: Consider a stock with a bid price of $100 and an ask price of $101. The bid-ask spread is $1. If an investor buys the stock at $101 and sells it immediately at $100, they incur a loss of $1, representing the transaction cost.

  • Yield spread example: Suppose the yield on a 10-year U.S. Treasury bond is 2%, and the yield on a 10-year corporate bond is 4%. The yield spread between the corporate bond and the Treasury bond is 2 percentage points (4% – 2%). This spread reflects the additional yield that investors demand for taking on the higher credit risk of the corporate bond.

  • Credit spread example: If a corporate bond has a yield of 5% and a comparable maturity government bond has a yield of 3%, the credit spread is 2 percentage points (5% – 3%). This spread indicates the extra yield required by investors for the additional credit risk associated with the corporate bond.

Importance of spreads

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Spreads are essential in financial markets for several reasons:

  • Market liquidity: The bid-ask spread serves as a measure of market liquidity. A narrow bid-ask spread indicates a highly liquid market where securities can be bought and sold with minimal price impact. Conversely, a wide spread suggests lower liquidity and higher transaction costs.
  • Transaction costs: The bid-ask spread represents the cost of trading. Traders and investors must consider the spread when making buy or sell decisions, as it affects the overall cost and potential profitability of trades.
  • Risk assessment: Yield and credit spreads provide valuable information about market perceptions of risk. Wider spreads often indicate higher perceived risk, while narrower spreads suggest lower risk. Investors use these spreads to assess the relative risk and return of different investment opportunities.

Factors influencing spreads

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Several factors can influence the size of spreads:

  • Market liquidity: Highly liquid markets tend to have narrower bid-ask spreads, while less liquid markets have wider spreads.
  • Economic conditions: Economic stability and growth can narrow yield spreads, while economic uncertainty or downturns can widen them.
  • Credit risk: Higher perceived credit risk increases credit spreads, as investors demand higher yields to compensate for the additional risk.
  • Interest rate environment: Changes in interest rates and expectations of future rate movements can impact yield spreads.

Understanding spreads is crucial for traders, investors, and financial analysts. It provides insights into market conditions, transaction costs, and risk perceptions, helping them make informed decisions. For further exploration, you might look into related topics such as market liquidity, bond yields, and credit risk assessment.


Sources & references

Arti

Arti

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Arti is a specialized AI Financial Assistant at Invezz, created to support the editorial team. He leverages both AI and the Invezz.com knowledge base, understands over 100,000 Invezz related data points, has read every piece of research, news and guidance we\'ve ever produced, and is trained to never make up new...