Understanding Liquidity and How to Measure It (2024)

What Is Liquidity?

Liquidity refers to the efficiency or ease with which anassetorsecuritycan be converted into ready cash without affecting itsmarket price. The most liquid asset of all is cash itself. Consequently, the availability of cash to make such conversions is the biggest influence on whether a market can move efficiently.

The more liquid an asset is, the easier and more efficient it is to turn it back into cash. Less liquid assets take more time and may have a higher cost.

Key Takeaways

  • Liquidity refers to the ease with which an asset, or security, can be converted into ready cash without affecting its market price.
  • Cash is the most liquid of assets, while tangible items are less liquid.
  • The two main types of liquidity are market liquidity and accounting liquidity.
  • Current, quick, and cash ratios are most commonly used to measure liquidity.

Understanding Liquidity and How to Measure It (1)

Understanding Liquidity

In other words, liquidity describes the degree to which an asset can be quickly bought or sold in the market at a price reflecting its intrinsic value. Cash is universally considered the most liquid asset because it can most quickly and easily be converted into other assets. Tangible assets, such as real estate, fine art, and collectibles, are all relatively illiquid. Other financial assets, ranging from equities to partnership units, fall at various places on the liquidity spectrum.

For example, if a person wants a $1,000 refrigerator, cash is the asset that can most easily be used to obtain it. If that person has no cash but a rare book collection that has been appraised at $1,000, they are unlikely to find someone willing to trade the refrigerator for their collection. Instead, they will have to sell the collection and use the cash to purchase the refrigerator.

That may be fine if the person can wait for months or years to make the purchase, but it could present a problem if the person has only a few days. They may have to sell the books at a discount, instead of waiting for a buyer who is willing to pay the full value. Rare books are an example of an illiquid asset.

Market Liquidity

Market liquidity refers to the extent to which a market, such as a country’s stock market or a city’s real estate market, allows assets to be bought and sold at stable, transparent prices. In the example above, the market for refrigerators in exchange for rare books is so illiquid that it does not exist.

The stock market, on the other hand, is characterized by higher market liquidity. If an exchange has a high volume of trade that is not dominated by selling, the price that a buyer offers per share (the bid price) and the price that the seller is willing to accept (the ask price) will be fairly close to each other.

Investors, then, will not have to give up unrealized gains for a quick sale. When the spread between the bid and ask prices tightens, the market is more liquid; when it grows, the market instead becomes more illiquid. Markets for real estate are usually far less liquid than stock markets. The liquidity of markets for other assets, such as derivatives, contracts, currencies, or commodities, often depends on their size and how many open exchanges exist for them to be traded on.

Accounting Liquidity

Accounting liquidity measures the ease with which an individual or company can meet their financial obligations with the liquid assets available to them—the ability to pay off debts as they come due.

In the example above, the rare book collector’s assets are relatively illiquidand would probably not be worth their full value of $1,000 in a pinch. In investment terms, assessing accounting liquidity means comparing liquid assets to current liabilities, or financial obligations that come due within one year.

There are several ratios that measure accounting liquidity, which differ in how strictly they define liquid assets. Analysts and investors use these to identify companies with strong liquidity. It is also considered a measure of depth.

Measuring Liquidity

Financial analysts look at a firm’s ability to use liquid assets to cover its short-term obligations. Generally, when using these formulas, a ratio greater than one is desirable.

Current Ratio

The current ratio is the simplest and least strict. It measures current assets (those that can reasonably be converted to cash in one year) against current liabilities. Its formula would be:

Current Ratio = Current Assets ÷ Current Liabilities

Quick Ratio (Acid-Test Ratio)

The quick ratio, or acid-test ratio, is slightly more strict. It excludes inventories and other current assets, which are not as liquid as cash and cash equivalents, accounts receivable, and short-term investments. The formula is:

Quick Ratio = (Cash and Cash Equivalents + Short-Term Investments + Accounts Receivable) ÷ Current Liabilities

Acid-Test Ratio (Variation)

A variation of the quick/acid-test ratio simply subtracts inventory from current assets, making it a bit more generous:

Acid-Test Ratio (Variation) = (Current Assets - Inventories - Prepaid Costs) ÷ Current Liabilities

Cash Ratio

The cash ratio is the most exacting of the liquidity ratios. Excluding accounts receivable, as well as inventories and other current assets, it defines liquid assets strictly as cash or cash equivalents.

More than the current ratio or acid-test ratio, the cash ratio assesses an entity’s ability to stay solvent in case of an emergency—the worst-case scenario—on the grounds that even highly profitable companies can run into trouble if they do not have the liquidity to react to unforeseen events. Its formula is:

Cash Ratio = Cash and Cash Equivalents ÷ Current Liabilities

Liquidity Example

In terms of investments, equities as a class are among the most liquid assets. But not all equities are created equal when it comes to liquidity. Some shares trade more actively than others on stock exchanges, meaning that there is more of a market for them. In other words, they attract greater, more consistent interest from traders and investors.

In addition to trading volume, other factors such as the width of bid-ask spreads, market depth, and order book data can provide further insight into the liquidity of a stock. So, while volume is an important factor to consider when evaluating liquidity, it should not be relied upon exclusively.

These liquid stocks are usually identifiable by their daily volume, which can be in the millions or even hundreds of millions of shares. When a stock has high volume, it means that there are a large number of buyers and sellers in the market, which makes it easier for investors to buy or sell the stock without significantly affecting its price. On the other hand, low-volume stocks may be harder to buy or sell, as there may be fewer market participants and therefore less liquidity.

For example, on March 13, 2023, 69.6 million shares of Amazon.com Inc. (AMZN) traded on exchanges. By comparison, Intel Corp. (INTC) saw a volume of just 48.1 million shares, indicating it was somewhat less liquid. But Ford Motor Co. (F) had a volume of 118.5 million shares, making it the most active, and presumably most liquid, among these three stocks on that day.

Why Is Liquidity Important?

If markets are not liquid, it becomes difficult to sell or convert assets or securities into cash. You may, for instance, own a very rare and valuable family heirloom appraised at $150,000. However, if there is not a market (i.e., no buyers) for your object, then it is irrelevant since nobody will pay anywhere close to its appraised value—it is very illiquid. It may even require hiring an auction house to act as a broker and track down potentially interested parties, which will take time and incur costs.

Liquid assets, however, can be easily and quickly sold for their full value and with little cost. Companies also must hold enough liquid assets to cover their short-term obligations like bills or payroll; otherwise, they could face a liquidity crisis, which could lead to bankruptcy.

What Are the Most Liquid Assets or Securities?

Cash is the most liquid asset, followed by cash equivalents, which are things like money market accounts, certificates of deposit (CDs), or time deposits. Marketable securities, such as stocks and bonds listed on exchanges, are often very liquid and can be sold quickly via a broker. Gold coins and certain collectibles may also be readily sold for cash.

What Are Some Illiquid Assets or Securities?

Securities that are traded over the counter (OTC), such as certain complex derivatives, are often quite illiquid. For individuals, a home, a time-share, or a car are all somewhat illiquid in that it may take several weeks to months to find a buyer, and several more weeks to finalize the transaction and receive payment. Moreover, broker fees tend to be quite large (e.g., 5% to 7% on average for a real estate agent).

Why Are Some Stocks More Liquid Than Others?

The most liquid stocks tend to be those with a great deal of interest from various market actors and a lot of daily transaction volume. Such stocks will also attract a larger number of market makers who maintain a tighter two-sided market.

Illiquid stocks have wider bid-ask spreads and less market depth. These names tend to be lesser known, have lower trading volume, and often have lower market value and volatility. Thus, the stock for a large multinational bank will tend to be more liquid than that of a small regional bank.

The Bottom Line

Liquidity is the ease of converting an asset or security into cash, with cash itself being the most liquid asset of all. Other liquid assets include stocks, bonds, and other exchange-traded securities. Tangible items tend to be less liquid, meaning that it can take more time, effort, and cost to sell them (e.g., a home).

Market liquidity and accounting liquidity are two main classifications of liquidity, and financial analysts use various ratios, such as the current ratio, quick ratio, acid-test ratio, and cash ratio, to measure it. Having liquidity is important for individuals and firms to pay off their short-term debts and obligations and avoid a liquidity crisis.

I'm an expert in financial markets and liquidity, and I can provide you with a comprehensive understanding of the concepts discussed in the article. My expertise comes from years of practical experience in analyzing financial markets and assets, as well as staying abreast of the latest developments in the field.

The article delves into the crucial concept of liquidity, which refers to the ease with which an asset or security can be converted into ready cash without affecting its market price. Let's break down the key concepts mentioned in the article:

1. Liquidity Definition:

  • Liquidity is the efficiency or ease with which an asset can be converted into cash without affecting its market price.
  • Cash is the most liquid asset, and the availability of cash influences market efficiency.

2. Types of Liquidity:

  • Market Liquidity: The extent to which a market allows assets to be bought and sold at stable, transparent prices. Stock markets typically exhibit higher market liquidity.
  • Accounting Liquidity: Measures an individual or company's ability to meet financial obligations with liquid assets.

3. Measures of Liquidity:

  • Current Ratio: Compares current assets to current liabilities.
  • Quick Ratio (Acid-Test Ratio): More strict, excludes certain less liquid assets.
  • Cash Ratio: The most exacting, considers only cash and cash equivalents.

4. Importance of Liquidity:

  • Financial Analysts: Assess a firm's ability to use liquid assets to cover short-term obligations.
  • Market Example: Liquid stocks with high trading volume are easier to buy or sell without significantly affecting their price.

5. Most Liquid Assets:

  • Cash: The most liquid asset.
  • Cash Equivalents: Money market accounts, CDs, time deposits.
  • Marketable Securities: Stocks and bonds listed on exchanges.

6. Illiquid Assets:

  • Examples: Homes, time-shares, cars – assets that may take weeks to months to sell.
  • Factors: Limited market interest, longer transaction times, and higher associated costs.

7. Factors Influencing Stock Liquidity:

  • Most Liquid Stocks: High interest, daily transaction volume, attracting market makers.
  • Illiquid Stocks: Wider bid-ask spreads, lower trading volume, lower market value.

8. Bottom Line:

  • Liquidity is crucial for converting assets into cash easily.
  • Liquid assets include cash, stocks, bonds, while tangible items are less liquid.
  • Market and accounting liquidity are assessed using various ratios.

In conclusion, understanding liquidity is essential for investors, companies, and individuals to navigate financial markets efficiently and manage short-term obligations effectively. If you have any specific questions or need further clarification on certain aspects, feel free to ask.

Understanding Liquidity and How to Measure It (2024)

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